Tiffany & Co. Rare Black Onyx Square Cushion Necklace 925 Sterling Silver

Brand Name - Tiffany & Co.
Condition - Used
Style - Chain
Metal - Sterling Silver, 925 parts per 1000
Length - 18"
Pendant Measuments -
Weight in DWT - 31.1
Weight in Grams - 48.2
Colored Stone Quantity - 12
Colored Stone Shape - Square
Colored Stone Type - Onyx
Colored Stone Creation - Unknown
Colored Stone Measurements - 7.9 x 7.9
Markings - Tiffany & Co. 925
Condition Rating - 9 out of 10