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Calibrated Size Charts for Gemstones to be set in Standard Jewelry MountingsThe weights given are for diamonds cut to ideal proportions. Colored stones are usually cut with greater volume than diamonds; therefore, they will weigh more than the chart sizes. The density of the material will also affect the weight. For example a 6.5 mm round diamond, sapphire and opal, all cut in the same proportions will all have different weights. The diamond (with a specific gravity of 3.52,) will weigh 1 carat. A loose sapphire (specific gravity 4,) will weigh 1.14 carats. The opal (specific gravity 2.15) will only weigh .61 carats. There are subtle variations to this list. For example, some list a .25 carat diamond as measuring 4.1 mm. The point is not to take these figures too literally, but to use them as a starting point for estimating weights.
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Overall Rating -> 10 Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time. Posted By Tlicious04 in September, 2024 Source: Bizrate Overall Rating -> 10 Always excellent quality and service from GemSelect Posted By Mike B. in September, 2024 Source: Bizrate Overall Rating -> 10 This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires! Posted By Phoenix in August, 2024 Source: Bizrate Related Articles Sapphire Info Sapphire Gemstone: What is Sapphire? Sapphire Color and more Tourmaline Gem Info Tourmaline Information - The most colorful gem on Earth Almandine Garnet Info Almandine Garnet Information - A deep red lustrous gemstone Amethyst Info Amethyst Information - The finest purple colors are found in this ... Apatite Info Apatite Gemstone Information - An obscure gem in striking colors Aquamarine Info Aquamarine Information - Get the facts, figures and stories behind... Citrine Info Citrine Information - The most popular yellow gemstone by far Emerald Info Emerald Information - Vivid green gemstones of unequaled quality Fire Opal Info Fire Opal Gemstone - A Mexican sunset captured in a gem Fluorite Info Fluorite Gemstone Guide: Benefits & Uses Jade Info Jade Gemstone Information - GemSelect Kunzite Info Kunzite Gemstones - The must-have pink gem for evenings Pyrope Garnet Info Pyrope Garnet Information - A gemstone of fiery brilliance Rhodolite Garnet Info Rhodolite Garnet Information - An elegant rose among thorns Ruby Info Ruby Information - The gemstone of passion and seduction Spessartite Garnet Info Spessartite Garnet: The Best Orange Garnet, A Detailed Guide Sphene Info Sphene Gemstone Information - GemSelect Tanzanite Info Tanzanite Information - Africa's wonder risen from the ashes Zircon Info Zircon Information - A gemstone as old as the earth itself Star Ruby Info Star Ruby Gemstone Information - GemSelect Birthstones by Month Birthstones by Month, Every Birthstone, Zodiac & Anniversary Diffusion Treatment Diffusion Treatment for Gemstones - GemSelect Irradiation Treatment Irradiation Treatment - Gemstone Information - GemSelect Gemstone Hardness Explained Gemstone Hardness | Mohs Scale with Images and Charts Precious and Semi-Precious Gemstone Glossary Gemstone & Mineral Glossary - Gemstone Information - GemSelect Medicinal Gemstones Medicinal Gemstone Information - GemSelect Gem Market Chanthaburi International Gemstone Market in Chanthaburi, Thailand: Shopping f... Gemstone Prices Gemstone Prices - A review of what influences the amount you pay Rare Tourmaline Rare Tourmaline Gemstones - Unique and distinctive varieties The Secret of Spinel The Secret of Spinel Gemstones Allure of Yellow Sapphire Yellow Sapphire: Meaning, Properties, Details and More Kunz and Tourmaline Kunz and Tourmaline - Creating the colored gemstone market Gem Mining in Madagascar Sapphire and Ruby Gemstone Mining in Madagascar Healing Gemstones Healing Gemstones: Could Gems Have Special Powers? Blue Topaz Gems Blue Topaz: A Guide with Facts, History, Meaning and More Gemstone Type List Gemstone List - Names, Colors & Types of Gems | GemSelect What is a Natural Sapphire? What is a Natural Sapphire? Peridot Gems Peridot Gemstones Refractive Index Chart Refractive Index Chart of Gemstones - What does it mean and how do... Specific Gravity Chart Specific Gravity Chart - Gemstone Information - GemSelect Gemstones By Color Gemstones by Color: Color Guide for Gemstones, All Colors Zircon and Zirconology Zircon and Zirconology - The Study of Zircon Cleavage Chart Gemstone Cleavage Chart - Gemstone Information - GemSelect Dispersion Chart Gemstone Dispersion Chart Information - GemSelect How Gems are Colored How Gemstones Get Their Colors Gemstone Information Gemstone Information Carats and Karats Carats and Karats Fine Green Sapphire Fine Green Sapphire - A fancy gemstone colored from mint to forest Intro to Setting Gems Intro to Setting Gemstones into Jewelry Mountings: GemSelect Gemstone Price Per Carat Gemstone Value: Price Per Carat for Precious Gems and Jewelry - Ge... February Birthstones Info February Birthstone: More than just a purple stone |
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