18ct White Gold Tanzanite and Diamond Drop Stud Earrings

2 Tanzanite, dimensions: 8.8mm, color: deep violet, total weight: 6.43ct
2 Diamonds, length x width: 3.5 x 2.5mm, clarity: VS-SI, color: F-H, total weight: 0.20ct

Stamped G18K OJ, length: 14.5mm, weight: 4.1 grams