Solid platinum PT950 round cable chain necklace. Note: This platinum chain may be sold out without notice. Clasp type: lobster. Chain length: variable (16" 18" 20" 24" 30"). Chain thickness: 1.3mm. Weight: 16" 2.60g, 18" 2.88g, 20" 3.12g; 24" 3.63g; 30" 4.35g.