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.
-
Calibrated Cabochon Pear Fine Grade White Natural Opal
Regular price $1,517.74 USDRegular priceUnit price / per$2,065.00 USDSale price $1,517.74 USDSale -
Calibrated Cabochon Oval Aa Grade Black Natural Opal
Regular price $220.76 USDRegular priceUnit price / per$299.50 USDSale price $220.76 USDSale -
Calibrated Cabochon Oval Standard Grade White Natural Opal
Regular price From $20.81 USDRegular priceUnit price / per$30.46 USDSale price From $20.81 USDSale -
Calibrated Cabochon Oval Commercial 3 Grade White Natural Opal
Regular price From $4.98 USDRegular priceUnit price / per$21.41 USDSale price From $4.98 USDSale -
Calibrated Cabochon Round AAA Grade White Natural Opal
Regular price From $48.26 USDRegular priceUnit price / per$60.66 USDSale price From $48.26 USDSale -
Calibrated Cabochon Oval AAA Grade White Natural Opal
Regular price From $41.18 USDRegular priceUnit price / per$57.34 USDSale price From $41.18 USDSale -
Calibrated Pear AA Grade Orange, Red Natural Opal
Regular price From $25.34 USDRegular priceUnit price / per$36.44 USDSale price From $25.34 USDSale -
Calibrated Trillion AAA Grade Orange, Red Natural Opal
Regular price From $32.40 USDRegular priceUnit price / per$45.75 USDSale price From $32.40 USDSale -
Calibrated Trillion AA Grade Orange, Red Natural Opal
Regular price From $27.81 USDRegular priceUnit price / per$39.69 USDSale price From $27.81 USDSale -
Calibrated Cabochon Pear A Grade White Natural Opal
Regular price From $8.42 USDRegular priceUnit price / per$22.66 USDSale price From $8.42 USDSale -
Calibrated Cabochon Pear Commercial 3 Grade White Natural Opal
Regular price From $4.98 USDRegular priceUnit price / per$35.96 USDSale price From $4.98 USDSale -
Calibrated Cabochon Oval AA Grade Black Natural Opal
Regular price From $50.39 USDRegular priceUnit price / per$63.54 USDSale price From $50.39 USDSale -
Calibrated Oval AA Grade Orange, Red Natural Opal
Regular price From $21.38 USDRegular priceUnit price / per$31.22 USDSale price From $21.38 USDSale -
Calibrated Cabochon Oval A Grade White Natural Opal
Regular price From $7.13 USDRegular priceUnit price / per$28.65 USDSale price From $7.13 USDSale -
Calibrated Cabochon Heart A Grade White Natural Opal
Regular price From $7.13 USDRegular priceUnit price / per$25.23 USDSale price From $7.13 USDSale -
Calibrated Cabochon Round AA Grade Black Natural Opal
Regular price From $36.36 USDRegular priceUnit price / per$50.98 USDSale price From $36.36 USDSold out