Arch Bezel Solo Diamond Ring Affordable Natural Diamond Ring for Women Buy Radiant Arch Diamond Ring Online CaratLane Diamond Yellow Gold Arch Unisex Ring For Sale at 1stDibs Buy Radiant Arch Diamond Ring Online CaratLane. A captivating piece inspired by the archways you would find across Indian architecture. Heavyweight ring with three layers combined with a double band. Available in sterling silver, 9ct yellow gold, 18ct yellow gold. All pieces are handmade in mata's London studio and are tested and hallmarked at the London Assay Office a guarantee of quality for over 700 years. Each piece is made to order and requires a 35 week lead time for production.