Platīna sakausējuma piespraude ar 69 naturāliem briljantiem Platīns, PT850. prove, 1 briljants - 0.50 ct, 5,3-5.1 mm, VS2, near colorless; 18 briljanti - 2.8 ct, 3.5-2.6 mm, VS2-I1, near colorless; 50 brilajnti - 1.4 ct, 0.5-2.9 mm, VS-SI, near colorless. Svars 20.20 g