A cat's eye chrysoberyl and diamond ring. Photo courtesy Bonhams.

The cat's eye chrysoberyl weighing approximately 9.05 carats, framed by brilliant, pear and rose-cut diamonds, between brilliant-cut diamond-set shoulders, diamonds approximately 3.30 carats total, ring size 6. Estimate HK$ 140,000 - 200,000 (€13,000 - 19,000)

Accompanied by a gemmological report stating that the cat's eye chrysoberyl is natural. Report number 1309905712. 

Bonhams. FINE JEWELLERY & JADEITE. Hong Kong. 23 Nov 2013 14:00 CST