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Gemstones

Actinolite Cat's Eye Agate Agate Geode Alexandrite All Gemstones Almandine Garnet Amazonite Amber Amblygonite Amethyst Amethyst Geode Amethyst Geode Slice Ametrine Ammolite Andalusite Andesine Labradorite Apatite Aquamarine Aventurine Axinite Azotic Topaz Azurite Azurite Druzy Beryl Gemstones Black Opal Bloodstone Boulder Opal Calcite Carnelian Cassiterite Cat's Eye Apatite Cat's Eye Aquamarine Cat's Eye Augite Cat's Eye Beryl Cat's Eye Chrysoberyl Cat's Eye Diaspore Cat's Eye Moonstone Cat's Eye Opal Cat's Eye Scapolite Cat's Eye Tourmaline Chalcedony Charoite Chocolate Opal Chrome Diopside Chrome Tourmaline Chrysoberyl Chrysocolla Chrysoprase Citrine Citrine Geode Clinohumite Color Change Garnet Color Change Sapphire Color-Change Diaspore Color-Change Fluorite Coral Danburite Demantoid Garnet Dendritic Agate Dendritic Chalcedony Diamond Diaspore Druzy Amethyst Druzy Citrine Druzy Variscite Dumortierite Quartz Emerald Enstatite Epidote Fire Agate Fire Opal Fluorite Fossil Coral Garnet Gaspeite Gemstone Types Golden Beryl Goshenite Grandidierite Grossularite Garnet Hackmanite Hambergite Hawk's Eye Hematite Hemimorphite Hemimorphite Druzy Hessonite Garnet Hiddenite Howlite Hyalite Opal Idocrase Imperial Topaz Iolite Jade Gemstones Jadeite Jasper Kornerupine Kunzite Kyanite Labradorite Lapis Lazuli Larimar Lepidolite Malachite Malaya Garnet Mali Garnet Maw-Sit-Sit Melanite Moldavite Moonstone Morganite Moss Opal Mother of Pearl Mystic Quartz Mystic Topaz Nephrite Jade Nuummite Obsidian Omphacite Jade Onyx Opal Opal Doublet Opal in Matrix Orthoclase Paraiba Tourmaline Peanut Wood Pearl Peridot Pietersite Prehnite Psilomelane Pyrite Pyrope Garnet Quartz Quartz Cat's Eye Quartz With Hedenbergite Quartz With Marcasite Rainbow Moonstone Rainbow Pyrite Druzy Rhodochrosite Rhodolite Garnet Rhodonite Rose Quartz Rubellite Tourmaline Ruby Ruby in Fuchsite Ruby Zoisite Rutile Quartz Rutile Topaz Sapphire Scapolite Scolecite Seraphinite Serpentine Sillimanite Sillimanite Cat's Eye Smithsonite Smoky Quartz Snowflake Obsidian Sodalite Spectrolite Spessartite Garnet Sphalerite Sphene Spinel Spodumene Star Diopside Star Garnet Star Lemon Quartz Star Moonstone Star Rose Quartz Star Ruby Star Sapphire Star Sunstone Strawberry Quartz Sugilite Sunstone Tanzanite Tashmarine Diopside Tiger's Eye Tiger's Eye Matrix Topaz Tourmaline Tremolite-Hexagonite Tsavorite Garnet Turquoise Uvarovite Garnet Druzy Variscite Verdite Zircon

Other Gem Selections

Agate Cabochons Almandine Garnet Cabochons Amazonite Lots Amazonite Pairs Amethyst Cabochons Amethyst Lots Amethyst Pairs Apatite Cabochon April Birthstones Aquamarine Lots Aquamarine Pairs August Birthstones Beads - Drilled Gems Cabochon Gemstones Carnelian Lots Carnelian Pairs Carved Turtles Cat's Eye Gemstones Certified Gemstones Chatoyant Gemstones Checkerboard Gemstones Chrome Gemstones Citrine Cabochons Citrine Lots Corundum Gemstones December Birthstones Dendritic Quartz Gemstones Diopside Gemstones Drilled Coral Beads Drilled Gemstones Drilled Precious Gemstones Druzy Gemstones Durable Gemstones Emerald Cabochons Emerald Lots Emerald Pairs Fancy Colored Melee Gems Fancy Shape Sapphire February Birthstones Feldspar Gemstones Fluorite Cabochon Friday Gemstones Friendship Gemstones Garnet Cabochons Garnet Lots Garnet Pairs Gemstone Lots Gemstones by Color Gemstones by Origin Gemstones By Piece Gemstones by Price Gemstones by Shape Gemstones by Size Gemstones by Type Gemstones by Weight Gemstones By Zodiac Gemstones for Summer Gemstones with Videos Geode Gemstones Half-Drilled Gemstones Healing Gemstones Heat Only Gemstones Huge Gemstones Iridescent Gemstones Jade Gemstones January Birthstones Jasper Pairs July Birthstones June Birthstones Jyotish & Islamic Gemstones Kunzite Cabochon Kyanite Cabochons Labradorite Cabochons Labradorite Pairs Labradorite Parcels Love and Romance Gemstones March Birthstones Matched Gemstone Lots Matching Citrine Pairs Matching Pairs Matching Topaz Pairs May Birthstones Monday Gemstones Morganite Cabochon Morganite Pairs Natural Faceted Amethyst Natural Faceted Aquamarine Natural Faceted Sapphire New Arrivals Nine Gemstones of Navaratna November Birthstones October Birthstones Opal Cabochons Peridot Cabochon Peridot Lots Peridot Pairs Phenomenal Gemstones Popular Gemstones Precious Stones Pyrope Garnet Cabochon Quartz Cabochons Rose Quartz Cabochon Ruby / Fracture-Filled Ruby Cabochons Ruby Heat Only Ruby Heat-Only and Untreated Ruby Lots Ruby Non Fracture-Filled Ruby Pairs Ruby Untreated-Unheated Rutilated Gemstones Sapphire Cabochon Lots Sapphire Cabochon Pairs Sapphire Cabochons Sapphire Heat-Only Sapphire Lots Sapphire Melee Sapphire Pairs Saturday Gemstones September Birthstones Single Gemstones Smoky Quartz Cabochon Smoky Quartz Lots Smoky Quartz Pairs Spessartite Garnet Cabochon Sphene Cabochon Star Gemstones Sunday Gemstones Sunstone Cabochons Tanzanite Cabochons Tanzanite Lots Tanzanite Pairs Thursday Gemstones Tiger's Eye Pairs Top Grade Gemstones Topaz Cabochon Gems Topaz Lots Tsavorite Garnet Cabochon Tuesday Gemstones Undrilled Gemstone Spheres Untreated Gemstones Untreated Sapphire Wednesday Gemstones Zircon Cabochons

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Calibrated Gemstones by Size

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Gem Info

Actinolite Cat's Eye Info Agate Geode Info Agate Info Alexandrite Info Almandine Garnet Info Amazonite Info Amber Gem Info Amethyst Info Ametrine Info Ammolite Info Andalusite Info Andesine Labradorite Info Apatite Info Aquamarine Info Article Categories Aventurine Info Axinite Info Azotic Topaz Info Azurite Info Beryllium Gemstone Treatments Black Gemstones Black Opal Info Bloodstone Info Boulder Opal Info Calcite Info Carat Weight Caring for Gemstones Carnelian Info Cassiterite Info Cat's Eye Apatite Info Cat's Eye Aquamarine Info Cat's Eye Diaspore Info Cat's Eye Moonstone Info Cat's Eye Scapolite Info Cat's Eye Tourmaline Info Chalcedony Info Charoite Info Chocolate Opal Info Chrome Diopside Info Chrome Tourmaline Info Chrysoberyl Cat's Eye Info Chrysoberyl Info Chrysocolla Info Chrysoprase Info Citrine Info Cleavage Chart Clinohumite Info Color Basics Color Change Diaspore Info Color Change Garnet Info Color Change Sapphire Info Coral Gem Info Danburite Info Demantoid Garnet Info Dendritic Agate Info Diamond Info Diffusion Treatment Dispersion Chart Dumortierite Quartz Info Emerald Info Enstatite Gem Info Epidote Info Fire Agate Info Fire Opal Info Fluorite Info Fossil Coral Info Fracture Filled Garnet Info Gaspeite Info Gem Cutting Gem Info Gemstone Clarity and Cut Gemstone Clarity Scale Gemstone Cleaning Gemstone Hardness Explained Gemstone Information Center Gemstone Treatments Gemstones By Color Golden Beryl Info Goshenite Info Grandidierite Gem Info Grossularite Garnet Info Hackmanite Info Hambergite Info Hawk's Eye Info Heat Treatment Hematite Info Hemimorphite Info Hessonite Garnet Info Hiddenite Info Howlite Info Hyalite Opal Info Idocrase Info Imperial Topaz Info Iolite Info Irradiation Treatment Jade Info Jadeite Info Jasper Info Kornerupine Info Kunzite Info Kyanite Info Labradorite Info Lapis Lazuli Info Larimar Info Lepidolite Info Malachite Info Malaya Garnet Info Mali Garnet Info Maw-Sit-Sit Info Medicinal Gemstones Melanite Info Moldavite Info Moonstone Info Morganite Info Moss Opal Info Mother of Pearl Info Multicolor Gemstones Mystic Quartz Info Mystic Topaz Info Nephrite Jade Info Nuummite Info Obsidian Info Omphacite Jade Info Onyx Info Opal Information Orthoclase Info Pearl Info Pectolite 'Larimar' Info Peridot Info Pietersite Info Precious and Semi-Precious Gemstone Glossary Precious Beryl Info Prehnite Info Pyrite Info Pyrope Garnet Info Quartz Info Rainbow Moonstone Info Rainbow Pyrite Info Refractive Index Chart Rhodochrosite Info Rhodolite Garnet Info Rhodonite Info Rose Quartz Info Rubellite Tourmaline Info Ruby Info Ruby-Zoisite Info Rutile Quartz Info Rutile Topaz Info Sapphire Info Scapolite Info Seraphinite Info Serpentine Info Sillimanite Gem Info Smithsonite Info Smoky Quartz Info Sodalite Info Specific Gravity Chart Spessartite Garnet Info Sphalerite Info Sphene Info Spinel Info Spodumene Info Star Moonstone Info Star Ruby Info Star Sapphire Info Strawberry Quartz Info Sugilite Info Sunstone Info Tanzanite Info Tiger's Eye Info Topaz Info Tourmaline Gem Info Tsavorite Garnet Info Turquoise Info Variscite Info Verdite Info White Gemstones Zircon Info

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GemSelect June 2023 Newsletter GemSelect May 2023 Newsletter GemSelect April 2023 Newsletter GemSelect March 2023 Newsletter GemSelect February 2023 Newsletter GemSelect January 2023 Newsletter GemSelect December 2022 Newsletter GemSelect November 2022 Newsletter October 2022 Newsletter September 2022 Newsletter August 2022 Newsletter July 2022 Newsletter June 2022 Newsletter May 2022 Newsletter April 2022 Newsletter GemSelect March 2022 Newsletter GemSelect February 2022 Newsletter GemSelect January 2022 Newsletter GemSelect December 2021 Newsletter GemSelect November 2021 Newsletter GemSelect October 2021 Newsletter GemSelect September 2021 Newsletter GemSelect August 2021 Newsletter July 2021 Newsletter GemSelect June 2021 Newsletter GemSelect May 2021 Newsletter GemSelect April 2021 Newsletter GemSelect March 2021 Newsletter GemSelect February 2021 Newsletter Starting 2021 positive - January 2021 December 2020 Newsletter Gemstones for Thanksgiving October 2020 Newsletter - Seasons Change GemSelect - September 2020 Newsletter August 2020 Newsletter GemSelect - July 2020 Newsletter June 2020 Newsletter May 2020 Newsletter: What is the future for the gems trade? April Newsletter 2020 March Newsletter 2020 Valentine's Day - February 2020 Gemstone Color Trends - January 2020 December 2019 Newsletter - Cabochons Gems November 2019 Newsletter - About Kunzite October 2019 Newsletter - Emerald in demand September 2019 Newsletter - About Birthstones Priceless Peridot - August 2019 Hot Deals & An Exciting New Feature! June 2019 Newsletter: Hot Spinels and Bright Opals Mine to Market Sapphire - May 2019 - Newsletter April 2019 Newsletter: Healing Gemstones & Featured Products March 2019 Newsletter: Ametrine & Featured Products February 2019 Newsletter: Gift Ideas & Gorgeous New Lots GemSelect January 2019 Newsletter: Happy New Year December 2018 Newsletter - Colors for the Holidays November 2018 Newsletter - New Features and Hot stones October 2018 Newsletter - New Arrivals and Old Traditions September 2018 Newsletter - Cornflower Blue August 2018 Newsletter - Fabulous Flaws July 2018 Newsletter - Lovely Gemstone Luster June 2018 Newsletter - 50 Years of Tantalizing Tanzanite May 2018 Newsletter: Friendships Gems and Meanings April 2018 Newsletter: Strength of Stones March 2018 Newsletter - Aquamarine: Stone of the Sea February 2018 Newsletter - Amethyst Birthstones January 2018 Newsletter - Rock Stock & Hot Jewels December 2017 Newsletter - Merry Gem Color Meaning November 2017 Newsletter - Glorious Grandidierite October 2017 Newsletter - Cursed Opal September 2017 Newsletter - Colossal Chrysoberyl Cat's Eyes August 2017 Newsletter - The Matrix & Gems July 2017 Newsletter - Imperial Gems June 2017 Newsletter - Purple Rocks Rule May 2017 Newsletter - Gems for Joy April 2017 Newsletter- Magnets & Gems March 2017 Newsletter - Iridescent Gems February 2017 Newsletter- Rooster Rocks January 2017 Newsletter- Gems for All December 2016 Newsletter - Hot Rocks and Chic Stones November 2016 GemSelect Newsletter - Eternal Gems October 2016 GemSelect Newsletter - Halloween Gems September 2016 Newsletter - Precious Treasure August 2016 Newsletter - Artistry of Jewelry July 2016 Newsletter - Ruby, King of Gems June 2016 Newsletter - Peach Gems May 2016 Newsletter - Gems for Femmes April 2016 Newsletter - Stunning Spinel December 2015 Newsletter - December Blues January 2016 Newsletter - Rose Pink Gems February 2016 Newsletter - Cleopatra's Jewels March 2016 Newsletter - Spring Greens November 2015 Newsletter: Mozambique Gems October 2015 GemSelect Newsletter: Royal Thai Jewels September 2015 Newsletter - Gems for Fall August 2015 Newsletter - Gem Lots July 2015 Newsletter - Jewels for July June 2015 Newsletter - The Sun and Gems May 2015 Newsletter - Gems for May April 2015 Newsletter - Wonderful Water March 2015 Newsletter - Three Countries, Carnivals and Colored Gems February 2015 Newsletter - The Year of the Sheep January 2015 Newsletter: Gemstone Jewelry Fashion Trends for 2015 December 2014 Newsletter - Gems for Beauty November 2014 Newsletter: Gems in the Interior October 2014 Newsletter: A Feast of Gems September 2014 Newsletter - Gems in Dragon City August 2014 Newsletter - Gem Implants and Charms July 2014 Newsletter - New and Interesting Gems June 2014 Newsletter - Jewelry and Gems for Modern Men May 2014 Newsletter: Mother's Day April 2014 Newsletter: Swiss Blue Topaz March 2014 Newletter: Siamese Sapphires February 2014 Newsletter: Heart-Shaped Valentine's Gems January 2014 Newsletter: Jade and Chinese New Year December 2013 Newsletter from GemSelect: Gemstone Optical Phenomena November 2013 Newsletter: Cut Styles and Jyotish Vedic Gems October 2013 Newsletter: Astrology and Gems September 2013 Newsletter - Ring of Solomon August 2013 Newsletter: Chanthaburi Gem and Jewelry Trading Center July 2013 Newsletter: JCK Las Vegas, Hong Kong and Tucson Show - Gemstone Trends June 2013 Newsletter: Great Ideas For Your Loose Gemstones May 2013 Newsletter: Gems for Gents - Review of the Top Gems for Men April 2013 Newsletter: Eastern & Western Gemstone Elements March 2013 GemSelect Newsletter: A review of the difference between gemstone cut and shape February 2013 Newsletter: Malaya Garnet Popularity January 2013 Newsletter: Buying Treated or Untreated Gemstones December 2012 Newsletter: Colored Stone Facts and Holiday Gem Gift Ideas November 2012 Newsletter: Review of Gems for Collectors October 2012 Newsletter: Gemstone Classification and Review of Grouping Gem Types September 2012 Newsletter: Colored Gemstone Inclusions August 2012 Newsletter: India's Gemstone History July 2012 Newsletter: What's Hot Today - Top Gemstone Sellers of 2012 June 2012 Newsletter: The Queen of Gems - A Brief History of Pearls - Facts and Stories of Pearls May 2012 Newsletter: The Flame Queen - One of the World's Most Famous Opals April 2012 Newsletter: Love Gems - The Connection of Love and Gemstones March 2012 Newsletter: The Fascinating Story of Delhi Purple Sapphire February 2012 Newsletter: Peridot the Gemstone from the Earth's Core January 2012 Newsletter: Gemstone Fairy Tales and Fables December 2011 Newsletter: A list of our best selling gemstones in 2011 November 2011 Newsletter: Witches and Gemstone Magic October 2011 Newsletter: Fossilized Baltic Amber September 2011 Newsletter: Is Keith Richards the New Mark Anthony? August 2011 Newsletter: Ethiopian Opals July 2011 Newsletter: Are your gemstones protected? June 2011 Newsletter: Sapphires are Forever May 2011 Newsletter: Demantoid Garnet from Namibia April 2011 Newsletter: Kyanite from Nepal March 2011 Newsletter: Emeralds from Afghanistan February 2011 Newsletter: Tsavorite Garnet from Tanzania January 2011 Newsletter: The Year in Gems December 2010 Newsletter: Best Buys for the Holiday Season November 2010 Newsletter: New Features on GemSelect October 2010 Newsletter: Gems of Central Asia September 2010 Newsletter: Unheated Sapphire from Tanzania August 2010 Newsletter: African Spessartite Garnet July 2010 Newsletter: Huge Gemstones June 2010 Newsletter: The Joy of Gemstone Cabochons May 2010 Newsletter: Ethical Gemstones April 2010 Newsletter: Gemstones for Collectors March 2010 Newsletter: Sapphire Capital of the World February 2010 Newsletter: GemSelect Search Engine January 2010 Newsletter: The Year in Gems December 2009 Newsletter: Gift Ideas for the Holiday Season November 2009 Newsletter: Color-Change Gemstones October 2009 Newsletter: Gem Certification from AIGS September 2009 Newsletter: New Tools for Finding Gems August 2009 Newsletter: The Green Garnets July 2009 Newsletter: Finding Matching Gems June 2009 Newsletter: Gemstone Prices During Recession May 2009 Newsletter: Gems and Jewelry in Thailand April 2009 Newsletter: Gems for Collectors March 2009 Newsletter: The Gemstone Situation in Madagascar February 2009 Newsletter: Pink Gemstones January 2009 Newsletter: Unheated Sapphire December 2008 Newsletter: Gift Ideas for the Holiday Season November 2008 Newsletter: GemSelect Gemstone Videos October 2008 Newsletter: Gemstone Certificates September 2008 Newsletter: The Ban on Burmese Gems August 2008 Newsletter: The Wide World of Gems July 2008 Newsletter: The Price of Gold June 2008 Newsletter: Burmese Gemstone Tragedy May 2008 Newsletter: Our Home in Chanthaburi, Thailand April 2008 Newsletter: A New Source for Spinel March 2008 Newsletter: Tanzanian Zircon February 2008 Newsletter: Buy It While You Can January 2008 Newsletter: Zircon and Zirconology December 2007 Newsletter: Gift Ideas for the Holiday Season November 2007 Newsletter: A Day in the Chanthaburi Gem Market GemSelect Newsletters October 2007 Newsletter: Understanding Gemstone Heat Treatment September 2007 Newsletter: Understanding Gem Treatments August 2007 Newsletter: The Science of Gemology July 2007 Newsletter: Rare Garnet Gems June 2007 Newsletter: Gem Mining in Madagascar May 2007 Newsletter: Gemstones - What You See Vs. What You Get April 2007 Newsletter: The Man Who Popularized Colored Gemstones March 2007 Newsletter: How Tourmaline Led the Modern Colored Stone Market February 2007 Newsletter: The Future of Gemstones January 2007 Newsletter: What's in a Gemstone Name? December 2006 Newsletter: Spinel - Best Kept Secret in the Gems World November 2006 Newsletter: Making Sense of Gemstone Prices October 2006 Newsletter: Chanthaburi - Colored Gemstone Capital of the World September 2006 Newsletter: New Enhancements to Gemselect

Gemstone Articles

A Gemstone for every Room A Guide to Buying Topaz Abalone Pearl Information Advanced Gem Analysis Affordable Gemstones Afghanistan and Gems Afghanistan Gemstones African Gemstones African Tsavorite Agate Meaning and Powers Agate Stone Agatized Fossil Coral All about Garnet Allure of Yellow Sapphire Amazonite Locations Amazonite Meaning and Powers Amblygonite Gemstones American Gemstones Amethyst Buying Guide Amethyst Deposits Amethyst Meaning and Powers Ametrine from Bolivia Ancient Turquoise Apatite Gemstones Apatite Meaning and Powers April Birthstone Info April's Birthstones - Zodiac Info Aquamarine Meaning and Powers Asscher Cut Gemstones August Birthstone Info Australian Boulder Opal Australian Gemstones Australian Gemstones Autumn Gemstones Aventurine Gems Axinite Gems Beryl Family Best Gemstone Combinations Best Value Gemstones Biggest Star Sapphire? Birthstone Origins Birthstones by Color Bixbite: Red Beryl Black and White Gems Black Melanite Black Tourmaline Bloodstone Gems Bloodstone Meaning and Powers Blue Azurite Info Blue Gemstones Blue Gemstones for Jewelry Blue Indicolite Tourmaline Blue Larimar Blue Sodalite Gems Blue Spinel Gems Blue Topaz Gems Blue Zircon Gemstones Boleite Gemstones Botryoidal Gemstones Brilliance, Luster and Fire Brilliant Brazilian Gems Brooches and Pins Brown Gemstones Buying Aquamarine Buying Gems in Thailand Calcite Gemstones California Benitoite Cambodian Gem Mountains Campbell Bridges Tragedy Can I afford a blue sapphire? Carats and Karats Caring for Opals Carnelian Meaning & Powers Cassiterite Gems Cat's Eye Gems Cat’s Eye Opal Information Celtic Birthstones Certified Gemstones Chakra Gemstones Chalcedony Meaning Chalcedony Quartz Champagne Diamonds Cheap Gemstones Chinese Chicken's Blood Stone Christmas Fun Facts Chrome Diopside Chrysocolla Gems Chrysolite Citrine Buying Guide Citrine Meaning and Powers Citrine Properties Classifying Gemstones Collecting Gemstones Color Change Fluorite Gems Color Change Gemstones Color Change Gemstones Color Zoning in Gemstones Colored Gem Clarity Grades Colored Gem Groups Colored Gemstone Business Concave Cutting Conch Pearls Copper-Bearing Gemstones Country of Origin Crown Jewels of Iran Cubic Zirconia Culet in Cut Gems Danburite Gemstones December Birthstones Info December Birthstones Information Demantoid Garnet Gems Dendritic Agate Desert Gems and Minerals Detecting Gem Treatments Detecting Synthetic Quartz Diamond and Graphite Diamond Meaning and Powers Discovery of Tanzanite Dom Pedro Aquamarine Dr. Eduard Gubelin Drusy Gemstones Dumortierite Quartz Gems Emerald Meaning and Powers Emerald Treatments Emeralds Around the World Emeralds from Zambia EMF Protective Gemstones Epidote and Unakite Ethical Gemstones Faceted Gemstones Famous Fine Rubies Father's Day & Hardworking Dads February Birthstones Info February's Birthstones - Zodiac Info Feldspar Gemstones Feng Shui and Gemstones Fine Green Sapphire Fine Iolite is Rare Finest Red Rhodolite Garnet Fluorescent Gems Fluorite: the Collector's Stone Fracture-filled Ruby Friedrich Mohs Garnet Meaning and Powers Gem Buyer's Guide Advice Gem Carvings and Engravings Gem Color Saturation Gem Hardness and Durability Gem Market Chanthaburi Gem Mining in Madagascar Gem Mining in Malawi Gem Mining in Tanzania Gem Pavilion, Girdle and Crown Gem Silica Gem Size to Weight Ratio Gem Treatment Disclosure Gems and Astrology Gems and Numerology Gems and the 4 Elements Gems and the 5 elements Gems by Language Gems for a New Beginning Gems for Blood Groups Gems for Engagement Rings Gems for Essential Workers Gems for her or him Gems for Memory Enhancement Gems for Night Time Gems for Physical Fitness Gems for Stress Relief Gems for the Days of the Week Gems for Valentine's Day Gems from Afghanistan Gems from Botswana Gems from Madagascar Gems from Pakistan Gems In Dreams Gems in Dreams (2) Gems in the Islamic world Gems in the UK Gems of the Rich and Famous Gems representing my Country Gems to boost Immune System Gems to Decorate your Home Gems, Jewels and Crystals in Games Gems, Light and Life - Winter Celebrations Gemstone Articles Gemstone Beads Gemstone Cleavage Gemstone Deposits Gemstone Doublets Gemstone for Aries Gemstone for Cancer Gemstone for Capricorn Gemstone for Gemini Gemstone for Leo Gemstone for Libra Gemstone for Pisces Gemstone for Sagittarius Gemstone for Scorpio Gemstone for Taurus Gemstone for Virgo Gemstone Gift Gemstone Identification Gemstone Information Gemstone Labs Gemstone Meanings Gemstone Names Gemstone Price Per Carat Gemstone Prices Gemstone Scintillation Gemstone Shape vs Cut Gemstone Superstitions Gemstone Supply and Demand Gemstone Testers Gemstone Trade Names Gemstone Type List Gemstones and Karma Gemstones for a balanced Qi Gemstones for Aquarius Gemstones for Artisan Jewelry Gemstones for Carnival Gemstones for Children Gemstones for Confidence Gemstones for Creativity Gemstones for Daytime Gemstones for Fathers Gemstones for Fertility Gemstones for Friday Gemstones for Friendship Gemstones for Holi Gemstones for Hope Gemstones for Insomnia Gemstones for Intuition Gemstones for Jewelers Gemstones for Love Gemstones for Manifestation Gemstones for Men Gemstones for Mindfulness Gemstones for Monday Gemstones for Mothers Gemstones for Motivation Gemstones for Optimism Gemstones for Pendants Gemstones for Pendulums Gemstones for Pets Gemstones for Phobias Gemstones for Psychic Attack Gemstones for Saturday Gemstones for Spring Gemstones for Sunday Gemstones for Teachers Gemstones for Thursday Gemstones for Travel Gemstones for Tuesday Gemstones for Wednesday Gemstones for Wire Wrapping Gemstones from Africa Gemstones from Brazil Gemstones from Myanmar Gemstones from Russia Gemstones from Sri Lanka Gemstones that Sparkle Gentle Heat Treatment Golden Triangle Sapphires Goshenite Gemstones Green Amethyst Green Dioptase Green Gaspeite Green Gemstone Meaning Green Gemstones Green Gemstones for Jewelry Green Metamict Zircon Green Seraphinite Green Serpentine Green Turquoise Greenland Rubies Grossular Garnet H. Stern Hackmanite Tenebrescence Halloween Gemstones Hambergite Gems Happy Holidays from GemSelect Healing Gemstones Heliodor or Golden Beryl Hematite and Pyrite Hemimorphite Gems Hetian Jade History of Birthstones History of Briolettes History of Peridot History of Spinel History of Sunstone History of the Cushion Cut Holiday Season Gems Hornblende and Gems How Big is That Gem? How Gems are Colored How Gemstones are Formed Howlite Gems Hydrothermal Quartz Idar-Oberstein Idocrase Vesuvianite Indonesian Gemstones Islamic Gemstones J.P. Morgan Jacinth Gemstones Jaipur, Jewel in the Desert January Birthstone Info January's Birthstones Information Jean-Baptiste Tavernier Jet Black Gems Jewelry Making Gems - Beginners July Birthstone Info June Birthstone Info June's Birthstones - Zodiac Info Kashmir Sapphire Kornerupine Gems Kunz and Tourmaline Kunzite Value Kyanite from Nepal Kyanite Hardness La Peregrina Pearl Labradorite Iridescence Lapis Lazuli: Ancient Stone Large Gemstones Largest Faceted Gemstones Laurence Graff Legend of Capricorn Lemon Quartz Gem Information Lesedi La Rona Lesser-Known Gemstones Life and Death Gemstones Lighting and Gem Color Lilac Lepidolite London Blue Topaz Loose Gemstones from Mine to Market Lucky Gemstones Making Mystic Gems Malachite from Africa Malachite Meaning and Powers Mali Garnet Gemstones Marcasite and Pyrite March Birthstone Info March's Birthstones - Zodiac Info Match Gems to Hair, Eye and Skin Matching Gemstone Pairs Maw-Sit-Sit from Burma May Birthstone Info May's Birthstones - Zodiac Info Meaning & Powers of Yellow Gems Medical Profession Gems Meditation and Yoga Gems Mexican Fire Opal Mikimoto Kokichi Minerals, Rocks and Gems Mining Sapphire in Australia Moldavite and Tektite Moonstone Gems Moonstone Lore & Legend More Collector's Gems Morganite or Pink Beryl Most Valuable Sapphires Mother-of-Pearl Gems Mother's Day: Gems for Mother's Jewelry Mozambique Gemstones Mozambique Tourmaline Muscovite and Fuchsite Native Cut Gemstones Natural Carnelian Natural Gem, Unnatural Name Natural Gemstones Navratna Zodiac Gemstones November Birthstone Info November Zodiac and Birthstones Obsidian Volcanic Glass October Birthstone Info October Birthstones Info Odd Shaped Gemstones for Jewelry Onyx Stone Opal Meaning and Powers Opal: Fire of the Desert Orange Gemstones Organic Gemstones Origin of Gem Names Padparadscha Sapphire Pailin Blue Sapphire Paraiba Tourmaline Gems Paste Gemstones Pastel Colored Gemstones Peridot Gems Peridot Meaning and Powers Pezzottaite Gemstones Phenomenal Gemstone Stars Pictures of Gemstones Pietersite Gems Pink Gemstones Pink Gemstones for Jewelry Pink Kunzite Pink Tourmaline Gems Planetary Gemology Pleochroic Gemstones Powerful Blue Gems Precious Coral Precious Masks Precious Stones Prehnite Gems Pride Gemstones Princess-Cut Gemstones Pukhraj Yellow Sapphire Purple Sugilite Rainbow Scapolite Gems Raman Spectroscopy Rare Alexandrite Gems Rare Ammolite Rare Chrome Tourmaline Rare Chrysoberyl Cat's Eye Rare Chrysoprase Rare Clinohumite Rare Fire Agate Rare Garnets Rare Pink Sapphire Rare Sillimanite Gems Rare Spinel Rare Tourmaline Red Cinnabar Red Gemstones Red Gemstones Meaning Replace Lost or Missing Gems Rhodochrosite Gems Rhodonite Gemstones Rocks As Gems Rocks for Pops on Father's Day Roman Romance for Valentines Day 2018 Romantic Rocks: Gems for Love Rose Quartz Gemstones Rose Quartz Meaning and Powers Rubellite Rubric Ruby in Fuchsite Info Ruby Meaning and Powers Ruby-in-Zoisite Rutilated Quartz Prices Rutilated Topaz Rutile in Gems Sacred Emerald Buddha Sapphire Meaning and Powers Sapphire Prices Sard and Sardonyx Scapolite Gems Seeing Gemstone Stars Selenite Gemstones Semi Precious Turquoise Semi-Precious Stones September Birthstone Info Shipley and the GIA Should I buy an Amethyst or Not? Side Stones for Jewelers Sierra Leone's Diamonds Sillimanite Gemstones Simulants Vs. Synthetics Singly Refractive Gems Sizzling Hot Pink Gems Small Gemstones Smithsonite Gems Smoky Quartz and Topaz Sources for Fine Ruby Gems Sources for Sapphire Gems Special Spessartite Garnet Spectrolite Labradorite Sphalerite Fire Sphene Brilliance Spinel Meaning and Powers Spinel Value Spodumene Species Sri Lanka Sapphires St Patrick's Day - 6 Gemstones Stabilization and Impregnation Star Diopside: The Black Star of India Star Garnet Info Star Gemstones Story of the Agra Diamond Story of the Timur Ruby Strawberry Quartz Gems Summer Gemstones Super Seven Healing Quartz Synthetic Emerald Synthetic Moissanite Synthetic Ruby and Sapphire Taaffeite Gemstones Taking Care of Gemstones Tanzanite Buying Guide Tanzanite Prices Tarot Cards and Gems Tashmarine Diopside Thai Beryllium Scandal Thai Birthdays and Birthstones Thai Rubies in Trat The Bahia Emerald The Black Orlov Diamond The Black Prince's Ruby The Carmen Lucia Ruby The Future of Gemstones The Hope Gems The Koh-I-Noor Diamond The Long and Winding Amber Road The Mystery of Andesine The Peacock Throne The Pearls of America The Power of Purple Gems The Sancy Diamond The Secret of Spinel The Taj Mahal Jewels The World's Rarest Gemstone Tiger's Eye Gems Tiger’s Eye Meaning and Powers Top Gemstone Elixirs Topaz Colors Topaz Meaning and Powers Tourmaline Buying Guide Tourmaline Gemstone Varieties Tourmaline in America Tourmaline Meaning and Powers Tourmaline Value Trilliant Cut Gems Ulexite: A Fiber Optic Gem Understanding Gem Sizes Unique Colored Gemstone Jewelry Unique Gemstones Unmistakable Andalusite Untreated Gemstones Untreated Gemstones Urban Mining Uvarovite Garnet Valentine's Day Gift Ideas Valuable Inclusions Varieties of Garnet Stone Varieties of Jade Variscite Gems Vietnam Gems; Hanoi Rocks Violet Charoite Vivid Gemstones Wealth Gemstones What Gem Are You? What is a Natural Sapphire? What is Chrysoberyl? What is Hessonite Garnet? White Gems Why Cut as Cabochons? William Earl Hidden Winter Gemstones Working from Home Gemstones World of Quartz World's Biggest Gems Yellow Gemstone List Yellow Kunzite Zircon and Zirconology Zircon Buying Guide Zircon Stone Zodiac Gemstones Zoisite Gemstones Zultanite, Diaspore or Csarite?

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  		•  Demantoid Garnet
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  		•  Rainbow Moonstone
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  		• Sillimanite Cat's Eye
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  		•  Tanzanite
  		• Tiger's Eye
  		• Tiger's Eye Matrix
  		• Topaz
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart