This is an authentic VAN CLEEF & ARPELS 18K Yellow Gold Black Onyx Diamond Bow Tie Ring in a size EU 50, US 5.25. This stunning ring is 18 karat yellow gold and features a pave diamond bow tie with a onyx center. This is an excellent ring with the classical elegance only from Van Cleef & Arpels! Follow this item for alerts. Van Cleef & Arpels is a registered trademark of Van Cleef & Arpels. FASHIONPHILE is not affiliated with Van Cleef & Arpels.