Platinum sapphire and diamond ring. The cluster style features 1 emerald cut, blue sapphire, that measures 8.67×6.46×3.29mm. Based on the measurements the sapphire weighs approximately 1.85 carats. Small round, and 2 Princess cut, micro-pave set diamonds surround and flank the center stone. They weigh approximately 1.00 carat total. The ring is a size 5 ¾ and weighs 6.9 dwts.