Collection: Calibrated Gemstones
These loose gemstones in standard calibrated sizes are not only beautiful works of nature, but their standard sizing makes them easy to set into jewelry of any style.
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Calibrated Cabochon Round Standard Grade Pink Natural Coral
Regular price From $18.04 USDRegular priceUnit price / per$18.04 USDSale price From $18.04 USD -
Calibrated Round AAA Grade Orange, Red Natural Opal
Regular price From $9.54 USDRegular priceUnit price / per$9.54 USDSale price From $9.54 USD -
Calibrated Checkerboard Cushion A Grade Purple Natural Amethyst
Regular price From $9.29 USDRegular priceUnit price / per$9.29 USDSale price From $9.29 USD -
Calibrated Round AA Grade White Natural Sapphire
Regular price From $64.31 USDRegular priceUnit price / per$64.31 USDSale price From $64.31 USD -
Calibrated Round AAA Grade Purple Natural Amethyst
Regular price From $10.19 USDRegular priceUnit price / per$10.19 USDSale price From $10.19 USD -
Calibrated Square AA Grade Blue, Purple Natural Iolite
Regular price From $10.03 USDRegular priceUnit price / per$10.03 USDSale price From $10.03 USD -
Calibrated Princess Cut Square Aa Grade Pink, Purple, Red Natural Garnet
Regular price From $12.11 USDRegular priceUnit price / per$12.11 USDSale price From $12.11 USD -
Calibrated Marquise Standard Grade Black Natural Onyx
Regular price From $8.93 USDRegular priceUnit price / per$8.93 USDSale price From $8.93 USD -
Calibrated Double-sided Checkerboard Oval AA Grade Blue Natural Topaz
Regular price $445.32 USDRegular priceUnit price / per$445.32 USDSale price $445.32 USD -
Calibrated Double-sided Checkerboard Marquise AA Grade Blue Natural Topaz
Regular price $388.77 USDRegular priceUnit price / per$388.77 USDSale price $388.77 USD -
Calibrated Double-sided Checkerboard Pear A Grade Green Natural Quartz
Regular price $184.94 USDRegular priceUnit price / per$184.94 USDSale price $184.94 USD -
Calibrated Double-sided Checkerboard Antique Cushion AA Grade Pink, Purple Natural Quartz
Regular price $156.79 USDRegular priceUnit price / per$156.79 USDSale price $156.79 USD -
Calibrated Checkerboard Antique Cushion AA Grade Brown Natural Quartz
Regular price $64.48 USDRegular priceUnit price / per$64.48 USDSale price $64.48 USD -
Calibrated Cabochon Cushion AA Grade Pink Natural Quartz
Regular price From $97.78 USDRegular priceUnit price / per$97.78 USDSale price From $97.78 USD -
Calibrated Double-sided Checkerboard Round AA Grade Skyblue Natural Topaz
Regular price $213.92 USDRegular priceUnit price / per$213.92 USDSale price $213.92 USD -
Calibrated Oval Aa Grade Skyblue Natural Topaz
Regular price $136.81 USDRegular priceUnit price / per$136.81 USDSale price $136.81 USD