Product Details: 4ct Emerald with Emerald Cut in a classic Halo style setting that will make you sparkle with delight. BBBGEM could offer gemstone upgrades and replacements. Product Specification: Metal Sterling Silver, 10k/14k/18k gold, Platinum Center Stone AAALab-treated Green Emerald(Heating,diffusion method) Shape Oval Weight approx 1.2-1.5 carat Size 10x8mm Halo Stones Si/H diamonds/Moissanite Set Prong, Pave Set