Ross-Simons is the authority on luxury classics. This ring is all about color. A 5.00 carat rectangular cushion-cut amethyst is complemented by .30 ct. t.w. blue round brilliant-cut diamonds. Set in polished 14kt yellow gold. 5/8" wide. Blue diamond and amethyst ring. Our blue diamonds are natural diamonds that have been treated which causes the color change and then heated to hold the color. The color change process is permanent. Each Ross-Simons item arrives in a fine jewelry presentation box. Stone InformationGem Type 1 - AmethystStone Cut 1 - Good-CutStone Color 1 - Violet-BlueStone Clarity 1 - Violet-BlueStone Shape 1 - Rectangular-ShapeStone Creation Method 1 - NaturalStone Treatment Method 1 - Heat-TreatedStone Weight 1 - 5.00 CaratsNumber Of Stones 1 - 1Gem Type 2 - Diamond-ColoredStone Cut 2 - Good-CutStone Color 2 - BlueStone Clarity 2 - I1Stone Shape 2 - Round-ShapeStone Creation Method 2 - Round-ShapeStone Treatment Method 2 - Round-ShapeStone Weight 2 - 0.30 CaratsNumber Of Stones 2 - 50