Amethyst & Onyx Necklace in 10k White Gold

Natural Amethyst (Quartz) Attributes Shape and cut: Pear shaped faceted Measurements: 5.73 x 3.05 x 1.85 mm (approximate) Weight: 0.15 ct (calculated) Clarity: Type II, Eye-clean Color: Medium, Moderately Strong, violetish Purple (vP 5/4) Cut: Good Polish: Good Brilliancy: Good - 50% to 70% Natural Amethyst (Quartz) Attributes Shape and cut: Round faceted Measurements: 2.00 x 2.00 x 1.21 mm (approximate) Weight: 0.02 ct (calculated) Clarity: Type II, Eye-clean  Color: Medium, Moderately Strong, Violet (V 5/4) Cut: Good Polish: Good Brilliancy: Very Good - 80% to 90% Natural Black Onyx Attributes  Shape and cut: Drop Clarity: Opaque Color: Black  Cut: Good Finish: Good Brilliancy: Excellent - 100% Chain Attributes Metal: 10K white gold (Stamped) Manufacture: Cast and assembled Length/Width: 20.9 inches / 0.94 mm Clasp: Lobster claw Condition: Good Pendant Attributes Weight: 4.24 gms Metal: 10K white gold (Stamped) Length/Width: 28.6 mm / mm Manufacturing: Cast and assembled Condition: Good Finish: Polished Setting: Prong set