Estate Earrings. 18K yellow gold Omega back earrings. Each earring contains approximately 100 round diamonds. 75 diamonds are approximately 1.3mm and 25 diamonds are approximately 1mm. Total estimated diamond weight for the pair of earrings is approximately 1.75ct to 2.0ct. Total earring weight is 16.4 grams. Earrings are approximately 3/4 inch long x 5/8 inch wide.