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 Checkerboard Antique Cushion A Grade Green Natural Quartz
Regular price From $24.40 USDRegular priceUnit price / per -
Calibrated Emerald Cut AA Grade Yellow Natural Quartz
Regular price From $23.18 USDRegular priceUnit price / per -
Calibrated Antique Cushion AA Grade Yellow Natural Quartz
Regular price From $23.18 USDRegular priceUnit price / per -
Calibrated Antique Cushion A Grade Green Natural Quartz
Regular price From $23.18 USDRegular priceUnit price / per -
Calibrated Oval AA Grade Yellow Natural Quartz
Regular price From $21.26 USDRegular priceUnit price / per -
Calibrated Cushion AA Grade Yellow Natural Quartz
Regular price From $19.04 USDRegular priceUnit price / per -
Calibrated Cushion A Grade Green Natural Quartz
Regular price From $19.04 USDRegular priceUnit price / per -
Calibrated Checkerboard Round AA Grade Brown Natural Quartz
Regular price From $11.74 USDRegular priceUnit price / per -
Calibrated Oval A Grade Green Natural Quartz
Regular price From $16.50 USDRegular priceUnit price / per -
Calibrated Cushion AA Grade Brown Natural Quartz
Regular price $11.84 USDRegular priceUnit price / per -
Calibrated Cabochon Round AA Grade Black, Gray, White Natural Quartz
Regular price From $19.94 USDRegular priceUnit price / per -
Calibrated Cabochon Round AA Grade White, Yellow Natural Quartz
Regular price From $19.94 USDRegular priceUnit price / per -
Calibrated Cabochon Oval AA Grade White, Yellow Natural Quartz
Regular price From $17.52 USDRegular priceUnit price / per -
Calibrated Checkerboard Cushion AA Grade Brown Natural Quartz
Regular price From $7.90 USDRegular priceUnit price / per -
Calibrated Cabochon Oval AA Grade Black, Gray, White Natural Quartz
Regular price From $12.96 USDRegular priceUnit price / per -
Calibrated Emerald Cut AA Grade Brown Natural Quartz
Regular price From $7.70 USDRegular priceUnit price / per