Thank you for coming in! Santa Maria blue aquamarine Platinum Diamond vintage ring! Two trillion shape diamonds decorate each side of the aquamarine Ring Size: 6.5 Total Weight: 13.75grams Precious Metal: Platinum Precious stones: -Aquamarine Center Stone: 12.77 carats, 15.6mmx13mm -White trillion shape Diamonds: 0.43 carats Hallmark: Pt900, 12.77, 043