18 Karat gold, citrine and diamond necklace and earclips. Photo Sotheby's. 

The necklace composed of graduated links centered by 19 oval-shaped citrines weighing approximately 70.00 carats, further set with round and square-cut diamonds weighing approximately 42.00 carats, with cabochon sapphire accents, length 15½ inches; the earclips set with four oval-shaped citrines weighing approximately 6.50 carats, framed and suspended by round diamonds weighing approximately 5.00 carats, with four cabochon sapphire accents. Estimation 50,000 — 70,000 USD