Round Cut Chatham Medium Blue Sapphire - For Build Your Own Pieces Size:9mm Or natural heat treated black

Or natural heat treated black diamonds or colored gemstones

The center stone of the Cosmos ring is a faceted black diamond that weighs approximately 1

73 carat 5

8x6mm lab grown Green moissanite faceted oval cut

This measurement will adjust slightly depending on the center stone you choose

Round Cut Chatham Medium Blue Sapphire - For Build Your Own Pieces Size:9mm Or natural heat treated blackLab grown Round Cut Chatham Medium Blue Sapphire in your size preference. From the Chatham website These gemstones possess the same physical, optical, and chemical properties as their mined counterparts. Chatham gemstones are grown by duplicating the conditions deep within the Earth; the temperature, the pressure and the chemical makeup. Chatham is recognized as the world's leader in premium quality lab grown colored gemstones. The center stone you