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Frequently Asked Questions (FAQ) GemSelect.com
Categories
• Shipping
• Payment
• Guarantee and Returns
• Gem Information
• GemSelect Website
• Accounts
Shipping
»  What countries do you ship to?
»  Is the shipping cost per item or per package?
»  Do I have to pay import duty or tax on gemstones I buy from GemSelect?
»  Can I have my order shipped to a different address than my billing address?
»  How can I track delivery of my order?
»  What happens if my order is lost in the mail?
»  See more detailed shipping information here
Payment
»  What forms of payment do you accept?
»  Do you accept payment by international money order?
»  Do you accept payment by wire transfer from my bank?
»  I don't have a credit card. How can I buy from you?
»  Do you accept payment by American Express?
»  Is my credit card information secure?
»  See more detailed payment information here
Guarantee and Returns
»  Do you provide certificates for your gems?
»  Do you provide appraisals of the gems you sell?
»  How do I return a gem to you?
»  During what period can I return a gem to you?
»  See more detailed payment information here
Gem Information
»  Are all your gems natural?
»  What is a calibrated gem?
»  I need a 7 x 5 mm gem for a standard setting. How much can a gem vary from 7 x 5 mm and still fit?
»  Where can I find a list of the standard calibrated sizes for gems?
»  Are there any kinds of gemstones that are always untreated?
»  Why do some gems show a color change?
»  Do you sell green amethyst?
»  How do I determine that a sapphire has not been heated?
»  Can you certify country of origin for your gemstones?
»  Which gems have the most brilliance and fire?
»  Do you have a printed catalogue? How do I get a copy?
»  What is the difference between jade and jadeite?
»  Is all red tourmaline called rubellite?
»  Can I buy two or more of a particular gem on your website?
»  Do you sell a gem called asparagus stone?
»  How do I tell if an amethyst or citrine is synthetic?
»  Do you sell a gem named cordierite?
»  Why are many cabochons unfinished on the bottom?
»  Why do so many gemstone names end in "ite"?
»  Is there a difference between brilliance and luster in gemstones?
»  Most of your gems are graded with letters like VVS and VS, but some are not. Why is that?
»  Is there such a thing as red sapphire?
»  Do diamond testing devices really work? Can they tell real from fake diamonds?
»  What is the most durable gemstone?
»  What is "color of streak"? Is it important?
»  What is "specific gravity" for gemstones? What does it measure?
»  How can I tell if a gem is "windowed"?
»  I recently purchased some gemstones and they were smaller than I expected. Can you help me?
»  What does "cabochon" mean?
»  Why are some gemstones cut in facets and others as cabochons?
»  What is the difference between an opal doublet and a normal opal?
»  Why do some gems have 3 measurement, like 6 x 4 x 3 mm, but some have only one or two measurements. Why is that?
»  Why are many tourmalines cut in long narrow bars? I don't see many other gems cut that way. Is it just the fashion now?
»  What is a concave cut? How is it produced?
»  What is "Portuguese cut"? How is it different from other cuts?
»  What is the significance of the refractive index of a gemstone? Is a higher value better?
»  What does "birefringence" refer to? I don't know if my gem has it.
»  Why are certain rubies referred to as having the color of "pigeon's blood"?
»  What are your best selling gemstones?
»  How many different kinds of gems are there in the world?
»  Which gemstones are copper-bearing?
»  What is mystic topaz?
»  What is the rarest gemstone?
»  How do gemstones get their color?
»  What is the scale used to measure the hardness of gemstones?
»  Where can I find a list of birthstones for the different months?
»  What is the difference between sapphire and tanzanite?
»  Do you buy gemstones?
»  See all of our gemstone information here
GemSelect Website
»  How do I search gems by color rather than gem name?
»  I tried to put some gems in my cart but I can't see them. What am I doing wrong?
»  How often do you add new gems to your website? What day should I look to see the new gems? Do you buy gems?
»  I bought some gems last month. How do I find all the detailed information about them now?
»  I added 4 gems to my cart and the next day 2 of them were gone. What happened?
»  Do you have an archive of newsletters? How do I access older newsletters?
»  See all of our content here
Accounts
»  Do I need to register to buy from GemSelect?
»  How do I subscribe for your newsletter?
»  I forgot my password and can't login. What can I do?
»  How do I change my account information?
»  Go to the account login page here

 
  • Primera publicación: February-20-2006
  • Última actualización: September-09-2019
  • © 2005-2019 Reproducción (texto o gráficos), sin el consentimiento expreso por escrito de GemSelect.com (SETT Compañía Ltda.) es estrictamente prohibida.
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Aviso de Privacidad © 2005-2019 Reproducción (texto o gráficos), sin el consentimiento expreso por escrito de GemSelect.com (SETT Compañía Ltda.) es estrictamente prohibida.
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Pinterest Board Names
More Shapes
Piedras Preciosas Populares
  		•  Zafiro
  		• Esmeralda
  		• Rubí
  		• Aguamarina
  		• Circón
  		• Ópalo
  		• Topacio
  		• Turmalina
  		• Granate
  		• Amatista
  		• Citrina
  		• Tanzanita
Todas las gemas (144)
A B C D E F G H I J K L M N O P R S T V Z Á Ã Ó
    A Volver arriba
  		•  Aguamarina
  		• Aguamarina Ojo de Gato
  		• Amatista
  		• Amazonita
  		• Ametrina
  		• Amolita
  		• Andalucita
  		• Andesina Labradorita
  		• Apatita
  		• Apatita Ojo de Gato
  		• Augita ojo de gato
  		• Azurita Druzy
    • B Volver arriba
  		•  Berilo
  		• Berilo Dorado
    • C Volver arriba
  		•  Calcedonia
  		• Calcita
  		• Charoita
  		• Chrysocolla
  		• Cianita
  		• Circón
  		• Citrina
  		• Coral
  		• Coral Fósil
  		• Cornalina
  		• Crisoberilo
  		• Crisoprasa
  		• Cromodiópsido
  		• Cuarzo
  		• Cuarzo Ahumado
  		• Cuarzo Fresa
  		• Cuarzo Limón Estrella
  		• Cuarzo Místico
  		• Cuarzo Ojo de Gato
  		• Cuarzo Rosa
  		• Cuarzo Rosa Estrella
  		• Cuarzo Rutilado
  		• Cuarzo con marcasita
    • D Volver arriba
  		•  Diamante
  		• Diásporo con Cambio de Color
  		• Diópsido Estrella
  		• Doblete de Ópalo
  		• Druzy Amethyst
    • E Volver arriba
  		•  Enstatita
  		• Escapolita Ojo de Gato
  		• Escolecita
  		• Esfalerita
  		• Esfena
  		• Esmeralda
  		• Esmitsonita
  		• Espectrolita
  		• Espinela
    • F Volver arriba
  		•  Fluorita
  		• Fluorita con Cambio de Color
  		• Fucsita con Rubí
    • G Volver arriba
  		•  Gemas de estrella
  		• Gemas de jade
  		• Geoda ágata
  		• Granate
  		• Granate Alamandino
  		• Granate Demantoide
  		• Granate Espesartina
  		• Granate Estrella
  		• Granate Grossularita
  		• Granate Hesonita
  		• Granate Malaya
  		• Granate Piropo
  		• Granate Rodolita
  		• Granate Tsavorita
  		• Granate con Cambio de Color
  		• Grandidierita
    • H Volver arriba
  		•  Hematita
  		• Hemimorfita Druzy
  		• Hiddenita
  		• Howlita
    • I Volver arriba
  		•  Idocrasa
  		• Iolita
    • J Volver arriba
  		•  Jadeíta
  		• Jaspe
    • K Volver arriba
  		•  Kornerupina
  		• Kunzita
    • L Volver arriba
  		•  Labradorita
  		• Lapislázuli
  		• Larimar
    • M Volver arriba
  		•  Madreperla
  		• Malaquita
  		• Mali Granate
  		• Matriz Ojo de Tigre
  		• Maw-Sit-Sit
  		• Morganita
    • N Volver arriba
  		•  Nuummite
    • O Volver arriba
  		•  Obsidiana
  		• Obsidiana Copo de Nieve
  		• Ojo de Gato Actinolita
  		• Ojo de Halcón
  		• Ojo de Tigre
  		• Ojos de gato
    • P Volver arriba
  		•  Peridoto
  		• Perla
  		• Piedra de Luna
  		• Piedra de Luna Arco Iris
  		• Piedra de Luna Estrella
  		• Piedra de Luna Ojo de Gato
  		• Piedra de Sangre
  		• Piedra del Sol
  		• Piedra del Sol Estrella
  		• Pietersita
  		• Pirita
  		• Pirita Arco Iris
  		• Prehnite
    • R Volver arriba
  		•  Rodocrosita
  		• Rodonita
  		• Rubellita Turmalina
  		• Rubí
  		• Rubí Estrella
  		• Rubí-Zoisita
    • S Volver arriba
  		•  Serafinita
  		• Serpentina
  		• Silimanita
  		• Silimanita Ojo de Gato
  		• Sodalita
  		• Sugilita
    • T Volver arriba
  		•  Tanzanita
  		• Topacio
  		• Topacio Imperial
  		• Topacio Místico
  		• Turmalina
  		• Turmalina Cromo
  		• Turquesa
    • V Volver arriba
  		•  Variscita
  		• Venturina
    • Z Volver arriba
  		•  Zafiro
  		• Zafiro Estrella
  		• Zafiro con Cambio de Color
    • Á Volver arriba
  		•  Ágata
  		• Ágata Dendrítica
  		• Ágata de Fuego
    • Ã Volver arriba
  		•  Ópalo ojo de gato
    • Ó Volver arriba
  		•  Ópalo
  		• Ópalo Boulder
  		• Ópalo Chocolate
  		• Ópalo Moss
  		• Ópalo Negro
  		• Ópalo de Fuego
  		• Ópalo en matriz
Main Categories
  		•  Nuevas llegadas
  		• Lotes de gemas
  		• Las Piedras Preciosas Calibradas
  		• Piedras preciosas por pieza
  		• Gemas de grado superior
  		• Pares Emparejados
  		• Gemas Corte Cabujón
  		• Drilled Gems, Briolettes and Beads
  		• Piedras zodiacales
  		• Las Tallas de Piedras Preciosas
  		• Gemas elegantes
  		• Gemas de estrella
  		• Zafiro sin Calefacción
Servicio al cliente sólo en inglés

Número gratuito - EE. UU. & Canadá únicamente:
1-800-464-1640

Internacional:
+66-39303404

Ahorra Dinero
No hay gastos de envío para artículos adicionales
$8.90 envío en todo el mundo

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Tamaño y peso

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