Circle of 5ths 18K Gold Diamond Pendant Necklace Diamond bar necklace Minimal 5 Diamond Ring in 18 Karat Gold For Sale at 1stDibs Diamond & 18k Gold Circle of 5ths Bar Ring VS 1.50 Carat Diamond 18 Carat Gold Five Stone Stack Ring For Sale at Diamond and 18k Gold Five Stone Ring For Sale at 1stDibs. A symbol of divine harmony, this ring is crafted from recycled 18k yellow gold and features a bar of brilliant diamonds for just the right amount of sparkle. Extended sizing is available upon request. 18k recycled gold and diamond Diamond: . 39 tcw Clean with warm water and detergent free soap Handcrafted in NYC Sustainability Metrics: Circular Economy: product is intentionally designed with 50% of actively cycled materials Conflict Free: 100% of products are recycled or conflict free and adhere to fair trade and labor Craft & Community: at least 75% of products are fully sourced and manufactured within the specified community or country; 100% of production adheres to a fair wage system Read more about Olivela's sustainability pillars here.