Center - Fancy Blue Diamond (SI3, 0.83ct) Total Diamond Weight - (1.00ct) Diameter - 6mm Metal - 18K White Gold (4 grams) Available in all sizes including 1/2 and 1/4 sizes. Sizing is free of charge. Product Description Up for sale is this unique blue diamond engagement ring. The ring is set with a natural fancy-blue diamond and is accented with...