Magnificent Handmade Art Deco 18K White Gold Hand Cut Onyx Ruby Diamond Engagement Ring. This gorgeous ring features 1 brilliant round diamond, weighing .68 carats, natural hand cut rubies, totaling 2 carats and hand cut onyx, totaling 2 carats, surrounded by 6 brilliant round diamonds, totaling .05 carats. The center diamond is H color and SI2 clarity. The ring weighs 7.5 grams. It is a size 6.5. Sizing is available.