7x9 Natural Oval Cut Blue Topaz Statement Ring, Oval Cut Blue Topaz Ring. This ring contains one natural Brazilian Blue Topaz gemstone measuring 7x9mm and high quality cubic zirconia's. Available in platinum plating (silver), gold, and rose gold plating. This ring is available and all and half sizes from 4-12.5. This item includes a gift box and a certificate of authenticity with purchase. This item is made to order, please allow up to 10-15 days for processing and delivery of this item.