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 Double-sided Checkerboard Oval AA Grade Blue Natural Topaz
Regular price $494.30 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Marquise AA Grade Blue Natural Topaz
Regular price $431.47 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Pear A Grade Green Natural Quartz
Regular price $205.49 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Antique Cushion AA Grade Pink, Purple Natural Quartz
Regular price $174.21 USDRegular priceUnit price / per -
Calibrated Checkerboard Antique Cushion AA Grade Brown Natural Quartz
Regular price $71.65 USDRegular priceUnit price / per -
Calibrated Cabochon Cushion AA Grade Pink Natural Quartz
Regular price From $108.65 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Round AA Grade Skyblue Natural Topaz
Regular price $237.69 USDRegular priceUnit price / per -
Calibrated Oval Aa Grade Skyblue Natural Topaz
Regular price $152.01 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Cushion AA Grade Pink Natural Quartz
Regular price $99.93 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Cushion AA Grade Brown, Yellow Natural Quartz
Regular price From $96.10 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Cushion AA Grade Pink, Purple Natural Quartz
Regular price From $144.24 USDRegular priceUnit price / per -
Calibrated Cabochon Square Standard Grade Pink Natural Quartz
Regular price $127.85 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Cushion AA Grade Yellow Natural Quartz
Regular price $99.93 USDRegular priceUnit price / per -
Calibrated Briolette Standard Grade Natural Onyx
Regular price From $64.54 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Marquise AA Grade Yellow Natural Quartz
Regular price $80.93 USDRegular priceUnit price / per -
Calibrated Double-sided Checkerboard Cushion AA Grade Blue Natural Topaz
Regular price $211.95 USDRegular priceUnit price / per