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 Emerald Cut A Grade Red Natural Ruby
Regular price From $273.77 USDRegular priceUnit price / per$273.77 USDSale price From $273.77 USD -
Calibrated Emerald Cut B Grade Red Natural Ruby
Regular price $164.31 USDRegular priceUnit price / per$164.31 USDSale price $164.31 USD -
Calibrated Emerald Cut AA Grade Red Natural Ruby
Regular price From $506.51 USDRegular priceUnit price / per$506.51 USDSale price From $506.51 USD -
Calibrated Oval AA Grade Red Natural Ruby
Regular price From $197.26 USDRegular priceUnit price / per$197.26 USDSale price From $197.26 USD -
Calibrated Marquise B Grade Natural Ruby
Regular price $108.89 USDRegular priceUnit price / per$108.89 USDSale price $108.89 USD -
Calibrated Oval A Grade Red Natural Ruby
Regular price From $94.12 USDRegular priceUnit price / per$94.12 USDSale price From $94.12 USD -
Calibrated Oval Commercial Grade Red Natural Ruby
Regular price From $18.04 USDRegular priceUnit price / per$18.04 USDSale price From $18.04 USD -
Calibrated Round AA Grade Natural Ruby
Regular price $326.93 USDRegular priceUnit price / per$326.93 USDSale price $326.93 USD -
Calibrated Oval B Grade Red Natural Ruby
Regular price From $53.95 USDRegular priceUnit price / per$53.95 USDSale price From $53.95 USDSold out -
Calibrated Trillion AA Grade Natural Ruby
Regular price From $270.12 USDRegular priceUnit price / per$270.12 USDSale price From $270.12 USD -
Calibrated Heart AA Grade Red Natural Ruby
Regular price From $233.53 USDRegular priceUnit price / per$233.53 USDSale price From $233.53 USD -
Calibrated Pear A Grade Red Natural Ruby
Regular price From $75.97 USDRegular priceUnit price / per$75.97 USDSale price From $75.97 USD -
Calibrated Pear B Grade Red Natural Ruby
Regular price From $43.74 USDRegular priceUnit price / per$43.74 USDSale price From $43.74 USD -
Calibrated Pear AA Grade Red Natural Ruby
Regular price From $160.22 USDRegular priceUnit price / per$160.22 USDSale price From $160.22 USD -
Calibrated Cabochon Round AA Grade Red Natural Ruby
Regular price $129.40 USDRegular priceUnit price / per$129.40 USDSale price $129.40 USD -
Calibrated Trillion A Grade Red Natural Ruby
Regular price From $97.03 USDRegular priceUnit price / per$97.03 USDSale price From $97.03 USDSold out