Featuring 18k white gold princess cut ruby and princess cut diamond eternity wedding ring, ruby weight 1.00 carats, diamond weight 0.65 carats. OGI designs rings to compliment women who want to make a statement. A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, together with sapphire, emerald, and diamond. Diamonds are the most popular choice for anniversary bands, but you may want to choose a gemstones that represents the anniversary. An anniversary band may be worn on any finger. The Princess Cut traces its origins to the Barion Cut, patented in 1971 by its creator Basil Watermeyer, a South African diamond cutter. Look for the OGI stamp and accept no substitutes. Rings are available in sizes 3-8 also in partial sizes; please contact us for your specific size not listed or metal of choice. Production for special order ring size or choice of metal is 2-3 weeks.