SIGNED KARBRA 14K YELLOW GOLD, DIAMOND, SAPPHIRE AND TURQUOISE BROOCH, WITH SIMILAR RING. Openwork textured branch design circular brooch set with four brilliant-cut round diamonds, seven faceted round sapphires, seven cabochon sapphires, and five turquoise cabochons, D: 2 in. Swirling wire design dome ring has two brilliant-cut diamonds, 16 faceted round sapphires, and two turquoise cabochons. Estimate $600-800