This ring is a captivating juxtaposition of bold, contemporary structure and the ethereal glow of a celestial gem. The foundation is a wide, architectural sterling silver square band, polished to a cool sheen, providing a powerful, modernist anchor. Dominating the structure is a generous 13 X 10 mm oval rainbow moonstone cabochon, whose polished dome contains a breathtaking flash of vibrant blue and white light, like a captured aurora borealis. This luminous spectacle is exquisitely framed by a bright 18k yellow gold bezel, whose continuous, warm line creates a striking bi-metal contrast against the cool silver band. The substantial band tapers subtly from 9 mm to 7 mm, lending comfort while retaining a commanding presence. This piece successfully marries the enduring form of modern sculpture with the fluid, luminous beauty of a natural gem. Metal Type:Type: Sterling silver, 18K yellow goldBand Size: 9 mm to 7mmThickness: 1.7mm Colored Stone Specifications: Count: 1Cut: OvalType: Rainbow Moonstone CabochonSize: 15 x 10 mmSetting: Bezel Sizes 7 in stock and ready to ship. Can be sized upon request. NOTE: For other sizes, please leave your desired size in the order notes at checkout. We will be in touch with the eta of your order. Approximately 1-2 weeks processing time for custom sizing.