Vintage Bvlgari Necklace Bulgari Gold Chain Collar Necklace Citrine GemstonesThis vintage Bulgari collar necklace is crafted in 18k yellow gold, showcasing the brands signature bold yet refined style. At the center sits a carved citrine cabochon with a warm golden hue, encased in a smooth gold bezel. Above the citrine, staged a tapered row of step cut, trapezoid diamonds (~0. 22 points). A single cabochon sapphire is set in the center of the citrine, bringing a deep blue accent that contrasts with the gold and amber tones.