METAL: 14k Gold. MEASUREMENTS: Necklace is 22" long. Clasp alone - 18mm in diameter. GEMSTONES: Baroque pearls - measure approx. 16mm x 20mm to 22mm x 29mm. Diamonds approx. 0.50ctw. TESTED: 14k. WEIGHT: 184.7 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.