KARAT PLATINUM Co. 14K Platinum Ring Band 7 Blue Sapphires 60 Diamonds Size 7

KARAT PLATINUM designed and created this stunning platinum ring band with 7 Blue Sapphires and 8 alternating Diamonds in the center, with 52 smaller Diamonds in 2 rows of 26 Diamonds above and below the center stones... See last 4 photos regarding the ring's engraved markings inside as follows... *585 PLAT *415 Co. Cu. *"KP" (Maker's Mark for Karat Platinum company) NOTE: 585 Platinum is a combination of platinum, copper and cobalt, and is called 585 platinum because it is composed of 585 ppt pure platinum. Karat Platinum LLC held a patent pending for the manufacture of a platinum alloy containing 58.5% platinum and 41.5% cobalt and copper. This new alloy, referred to as 14 Karat Platinum, has certain properties that make it superior to the 95% platinum used in the jewelry industry, including improved castability, and greater durability. Karat Platinum was sold and acquired by Sentra in 2007. *SIZE 7 *This ring was made in 2006, has been in storage for the past 20 years and is in excellent condition with only a few light scratches on the back side which may be polished away...