search
  • 登录
    注册

  • 只提供英语客户支持

    免费通话 - 仅限美国和加拿大:
    1-800-464-1640

    国际:
    +66-39303404

  • Change Language
  • USD
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

 
  • 首次发布于: February-20-2006
  • 最后更新于：: September-09-2019
  • © 2005-2021 GemSelect.com版权所有。
    未经GemSelect.com（SETT Company Ltd.）的书面同意，严格禁止复制（文字或图形)。.
我们是谁？ 政策 信息
更多语言: 英语 法语 西班牙语 意大利语 德语 俄语 中文 日语 阿拉伯语
隐私通告 © 2005-2021 GemSelect.com版权所有。
未经GemSelect.com（SETT Company Ltd.）的书面同意，严格禁止复制（文字或图形)。.
775
More Shapes
人气宝石
  		•  蓝宝石
  		• 祖母绿
  		• 红宝石
  		• 海蓝宝
  		• 锆石
  		• 蛋白石
  		• 黄玉
  		• 碧玺
  		• 石榴石
  		• 紫水晶
  		• 黄水晶
  		• 坦桑黝帘石
全部宝石 (141)
C D G H N P Q S
    C 回到顶部
  		•  Cat's Eye Opal
    • D 回到顶部
  		•  Druzy Amethyst
    • G 回到顶部
  		•  Grandidierite
    • H 回到顶部
  		•  Hyalite Opal
    • N 回到顶部
  		•  Nuummite
    • P 回到顶部
  		•  Pyrite
    • Q 回到顶部
  		•  Quartz With Marcasite
    • S 回到顶部
  		•  Scolecite
  		• Spectrolite
    • 回到顶部
  		•  中长石拉长
    • 回到顶部
  		•  卢比莱碧玺
  		• 变色宝石
  		• 变色水铝石
  		• 变色石榴石
  		• 变色萤石
  		• 变色蓝宝石
  		• 坦桑黝帘石
  		• 堇青石
  		• 天河石
  		• 孔雀石
  		• 尖晶石
  		• 巧克力蛋白石
  		• 帝王黄玉
  		• 异极矿晶簇
  		• 彩虹月长石
  		• 彩虹黄铁矿
  		• 彼得石
    • 回到顶部
  		•  拉利玛
  		• 拉长石
  		• 摩西西
  		• 斑彩石
  		• 斑晶蛋白石
  		• 方柱石
  		• 方解石
  		• 方钠石
  		• 日光石
  		• 星光宝石
  		• 星光日长石
  		• 星光月长石
  		• 星光柠檬石英
  		• 星光石榴石
  		• 星光粉晶
  		• 星光红宝石
  		• 星光蓝宝石
  		• 星光透辉石
  		• 月光石猫眼
  		• 月长石
  		• 枝状玛瑙
  		• 查罗石
  		• 榍石
  		• 橄榄石
  		• 沙弗莱石榴石
  		• 海蓝宝
    • 回到顶部
  		•  火玛瑙
  		• 火蛋白石
  		• 烟晶
  		• 猫眼宝石
  		• 猫眼方柱石
  		• 猫眼海蓝宝石
  		• 猫眼磷灰石
  		• 玉宝石
  		• 玉髓
  		• 玛瑙
  		• 玛瑙晶洞
  		• 珊瑚
  		• 珊瑚化石
  		• 珍珠
  		• 珍珠母
  		• 电镀黄玉
  		• 石榴石
  		• 石英
  		• 石英猫眼
  		• 砂金石
  		• 砾背蛋白石
  		• 硅孔雀石
  		• 硅硼钙石
  		• 硅线石
  		• 硅线石猫眼
  		• 碧玉
  		• 碧玺
  		• 磷灰石
  		• 磷鋁石
  		• 祖母绿
  		• 符山石
  		• 紅寶黝簾石
  		• 紫水晶
  		• 紫锂辉石
  		• 紫黄晶
  		• 红宝石
  		• 红柱石
  		• 红榴石
  		• 红玉髓
  		• 红纹石
  		• 绿松石
  		• 绿玉髓
  		• 绿龙晶
  		• 缟玛瑙
  		• 翠绿锂辉石
  		• 翡翠
    • 回到顶部
  		•  芙蓉石
  		• 草莓石英
  		• 菱锌矿
  		• 萤石
  		• 葡萄石
  		• 蓝宝石
  		• 蓝晶石
  		• 蓝铜矿晶
  		• 虎眼石
  		• 虎眼石斑晶
  		• 蛇纹石
  		• 蛋白石
  		• 蛋白石二层石
  		• 血石
  		• 赤铁矿
    • 回到顶部
  		•  金发晶
  		• 金绿柱石
  		• 金绿玉
  		• 钙铁榴石
  		• 钙铝榴石
  		• 钙铝榴石
  		• 钠柱晶石
  		• 钻石
  		• 铁铝榴石
  		• 铬云母红宝石
  		• 铬透辉石
  		• 铯绿柱石
  		• 锆石
  		• 锰铝榴石
  		• 镁铝榴石
  		• 闪锌矿
  		• 阳起石猫眼
  		• 雪花黑曜石
  		• 青金石
  		• 顽辉石
  		• 马拉亚石榴石
  		• 马里石榴石
  		• 鹰眼石
  		• 黄水晶
  		• 黄玉
  		• 黑曜石
  		• 黑蛋白石
Main Categories
  		•  新品
  		• 批量宝石
  		• 标准化宝石
  		• Gemstones By Piece
  		• 高档宝石
  		• 匹配的成对宝石
  		• 凸面宝石
  		• Drilled Gems, Briolettes and Beads
  		• 诞生石
  		• 宝石雕刻
  		• 别致的宝石
  		• 星光宝石
  		• 未经加热处理的蓝宝石
只提供英语客户支持

免费通话 - 仅限美国和加拿大:
1-800-464-1640

国际:
+66-39303404

省钱
其他商品不收取额外的运费！
8.90美元全球发货

Update Translation
 
Current Value
New Value
GemSelect Gemstones
X 关闭窗口
X 关闭窗口
Colored Gemstones
X 关闭窗口
Colored Gemstones
X 关闭窗口
Colored Gemstones
大小和重量

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