Read our Interview with Cocktail ring in 18 carat yellow gold vermeil on sterling silver by Monica Vinader. This irregular shaped hammered gold vermeil ring is perfect for engraving with your own message or motif. The flat ring measures 17mm x 19mm on a 2mm wide 18 carat gold band. Renowned for her organic stacking rings, this Monica Vinader ring stack is beautiful in its simplicity and elegance.