Yellow diamond with diamond hairclip , Mikimoto. Estimate HK$60,000 - 100,000 (US$7,700 - 12,800). Photo Tiancheng International

The hairclip set with eleven marquise-shaped yellow diamonds together weighing approximately 1.85 carats, embellished with brilliant-cut diamonds together weighing approximately 1.95 carats, mounted in 18 karat yellow and white gold, signed. 

Tiancheng International. HONG KONG AUTUMN AUCTION, Jewellery and Jadeite