ALGT Certified Emerald Green 3.94 Ct center stone, GIA certified, (1) Pcs-Sapphire (1.58) Ct, (24) Pcs-Diamonds (0.30) Ct, (6) Pcs-18k White Gold And Yellow Gold Ring Jewelry Type: Brooch Condition: New Metal Type And Carat: 18 K White Gold And Yellow Gold Jewelry Size: (27.50X17.03) Mm Gender: Women Total Weight: 5.27 Grams Gold Net Weight: 4.11 Grams Certificate Available: Yes Certificate Issued By: Antwerp Laboratory For Gemstone Testing (ALGT) Certificate Number: 59045217 Main Stone Details: Main Stone Name: Emerald Number Of Main Stones: 1 Pcs Shape And Cut: Modified Pear, Mixed Cut Main Stone Carat Weight: 3.94 Ct Measurements: (10.70 x 10.50 x 7.45) Mm Main Stone Color: Green Main Stone Transparency: Transparent Main Stone Treatment: Clarity Enhanced (Oiled) Origin: Sri Lanka (Seller's Opinion) Surrounding Stone Details: Surrounding Stone Name: Sapphire Surrounding Stone Carat Weight: 1.58 Ct Number Of Surrounding Stones: 24 Pcs Shape And Cut: Trapezoid, Mixed Cut Measurements: (2.50 x 2.10 x 1.31) Mm Surrounding Stone Color: Blue to Deep Blue Surrounding Stone Treatment: Indications of heating present Surrounding Stone Details: Surrounding Stone Name: Natural Diamonds Surrounding Stone Carat Weight: 0.30 Ct Number Of Surrounding Stones: 6 Pcs Shape And Cut: Round Brilliant Variation Measurements: (2.00 - 2.20 x 1.41) Mm Surrounding Stone Color: F-G Surrounding Stone Treatment: No Treatment (Natural) Diamond Clarity Grade: I1 - I2 Diamond Cut Grade: Good - Very Good