Ruby, Diamond, White Gold Ring The ring centers two pear-shaped rubies measuring 4.20 x 6.40 x 1.73 mm and 4.20 x 6.40 x 1.62 mm and weighing a total of approximately 0.55 carat, accented by full-cut diamonds weighing a total of 1.75 carats, set in 18k white gold. Gross weight 6.00 grams. Size: 3-3/4 ( not sizeable)