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 Heart AA Grade Swiss Blue Natural Topaz
Regular price $12.20 USDRegular priceUnit price / per$19.10 USDSale price $12.20 USDSale -
Calibrated Heart AA Grade Natural Aquamarine
Regular price $27.65 USDRegular priceUnit price / per$39.48 USDSale price $27.65 USDSale -
Calibrated Heart Standard Grade Black Natural Onyx
Regular price From $9.02 USDRegular priceUnit price / per$19.22 USDSale price From $9.02 USDSale -
Calibrated Buff Top-cut With Hole Emerald Cut Standard Grade Black Natural Onyx
Regular price From $20.41 USDRegular priceUnit price / per$29.93 USDSale price From $20.41 USDSale -
Calibrated Buff Top-cut Oval Standard Grade Black Natural Onyx
Regular price From $4.98 USDRegular priceUnit price / per$18.27 USDSale price From $4.98 USDSale -
Calibrated Buff Top-cut With Hole Antique Cushion Standard Grade Black Natural Onyx
Regular price From $20.41 USDRegular priceUnit price / per$29.93 USDSale price From $20.41 USDSale -
Calibrated Buff Top-cut Marquise Standard Grade Black Natural Onyx
Regular price From $4.98 USDRegular priceUnit price / per$35.96 USDSale price From $4.98 USDSale -
Calibrated Buff Top-cut With Hole Oval Standard Grade Black Natural Onyx
Regular price From $16.67 USDRegular priceUnit price / per$24.99 USDSale price From $16.67 USDSale -
Calibrated Cabochon Pear Standard Grade Pink Natural Coral
Regular price From $20.14 USDRegular priceUnit price / per$29.58 USDSale price From $20.14 USDSale -
Calibrated Cabochon Pear Standard Grade Black Natural Onyx
Regular price $4.98 USDRegular priceUnit price / per$35.96 USDSale price $4.98 USDSale -
Calibrated Cabochon Marquise Standard Grade Black Natural Onyx
Regular price From $4.98 USDRegular priceUnit price / per$35.96 USDSale price From $4.98 USDSale -
Calibrated Cabochon Oval Standard Grade Blue Natural Lapis
Regular price From $9.00 USDRegular priceUnit price / per$22.00 USDSale price From $9.00 USDSale -
Calibrated Buff Top-cut Emerald Cut Standard Grade Black Natural Onyx
Regular price From $5.74 USDRegular priceUnit price / per$18.39 USDSale price From $5.74 USDSale -
Calibrated Cabochon Oval Standard Grade Black Natural Onyx
Regular price From $4.98 USDRegular priceUnit price / per$35.96 USDSale price From $4.98 USDSale -
Calibrated Cabochon Round Standard Grade Black Natural Onyx
Regular price From $4.98 USDRegular priceUnit price / per$35.96 USDSale price From $4.98 USDSale -
Calibrated Buff Top-cut Antique Cushion Standard Grade Black Natural Onyx
Regular price From $4.98 USDRegular priceUnit price / per$35.96 USDSale price From $4.98 USDSale