Genuine black onyx gemstones are set by hand onto round 18 Karat gold tuxedo studs. Sparkling diamonds add unexpected flash while perfectly complementing the natural Black Onyx 18karat yellow gold White diamond pavé Total diamond carat weight: 0.23 4 Tuxedo Studs(10mm width) Flip back for studs Packaged in black lacquered wood box and velour travel pouch, perfect for gifting and display Style # GS1573YGOX Also available as cufflinks only