Unusual and fluid looking, this gold and black diamond cuff is a real statement piece. Made by designer Kathy Rose for Roseark, it can be customized with several options in terms of stones and gold colour. Prices range from $2500-16,000. Available online at http://www.roseark.com/shop/829-kathy-rose-for-roseark-manta-ray-cuff/

Reminds me of Henning Koppel designs for Georg Jensen, and the very famous 68 design, sometimes referred to as the fish or amoeba. Designed in 1947, it still looks fresh and contemporary. Both interpretations of a wonderful organic shape.