Vintage 18 Karat Engagement Ring With 1.63 Carat Old European Cut Diamond GIA – L SI2 $6,150.00 SKU: 01013923 QTY Add to cart Description Crafted in 18 karat yellow gold. Featuring one 1.63 carat Old European cut diamond with GIA certificate, L SI2 Reviews (0) Add Review Categories: Engagement Rings, Rings. Back To Shop