Ross-Simons is the authority on luxury classics. Treat yourself to a unique blend of lab-grown diamonds and mined gemstones at an incredible value. Dive into a tropical-blue pool with this 2.60 carat emerald-cut London blue topaz ring, featuring a fabulous.25 ct. t.w. round brilliant-cut lab-grown diamond frame. Crafted in polished sterling silver. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. 1/2" wide. London blue topaz and lab-grown diamond ring. Each Ross-Simons item arrives in a fine jewelry presentation box. Shop Ross-Simons jewelry risk-free as all items include a 30-day, 100% money-back guarantee.Stone InformationGem Type 1 - DiamondStone Cut 1 - Good-CutStone Color 1 - G-HStone Clarity 1 - SI1Stone Shape 1 - Round-ShapeStone Creation Method 1 - SyntheticStone Treatment Method 1 - Not-TreatedStone Weight 1 - 0.25 CaratsNumber Of Stones 1 - 24Gem Type 2 - TopazStone Cut 2 - Good-CutStone Color 2 - BlueStone Clari