Stacked Black Onyx & Diamond Cocktail Ring in 18k White GoldThis modern stacked cocktail ring features . 55 total carats of diamonds and black onyx in 18 karat white gold. The face of the ring features a wonderful and intricate geometric design. Two (2) marquise cut diamonds punctuate the tapered, stacked ring design. The accent stones are placed very creatively down the center band of the ring. A brilliant pave that adds bright brilliance to the deep black onyx gemstones. A perfect statement ring for a day or