Nadia Morgenthaler says the element of contrast in her collections is so important - note the artful use of 18-karat recycled red gold and blackened sterling silver on this beautiful ring. Utterly contemporary and feminine, it's been expertly crafted in Switzerland and hand-finished to ensure a "high jewelry" level of perfection. It's set with glistening round-cut diamonds, a blue-purple spinel and a natural pearl. This product was Locally Made and Reduces Waste. Find out more about NET SUSTAIN here. - Spinel, total weight: 1.94-carats; natural pearl, total weight: 0.52-carats; round-cut G VS diamonds, total weight: 0.43-carats - Natural pearl: Mexico - This piece has been certified in accordance with the Hallmarking Act 1973 - NET-A-PORTER is a certified member of the Responsible Jewellery Council - Made in Switzerland