Modani Precious cobalt spinel ringThis elegant ring features a 2. 11 ctw cushion cut cobalt blue spinel as the centerpiece, accented with 0. 86 ctw round white diamonds. Crafted in 18K white gold, it highlights the vivid blue beauty of the rare cobalt spinel, complemented by the brilliance of white diamonds for a timeless and sophisticated design. Metal: 18K White GoldStone: Cobalt Blue SpinelStone Cut: CushionStone Weight: 2. 11 ctwDiamond: White DiamondDiamond Cut: RoundDiamond