This is an authentic VAN CLEEF & ARPELS 18K Yellow Gold Black Onyx Diamond Vintage Alhambra Ring size 51 or 5.75. The ring is crafted of 18 karat yellow gold and features a black onyx clover motif framed by a beaded milgrain detail. The ring then features a central round brilliant cut diamond approximately weighing .04 carats. This is a beautiful ring with the elegant style of Van Cleef & Arpels! Please Note: This ring is stamped size 49 but is closer to size 51. Follow this item for alerts. Van Cleef & Arpels is a registered trademark of Van Cleef & Arpels. FASHIONPHILE is not affiliated with Van Cleef & Arpels.