- Brand Name Tiffany & Co. - Model Name Open Heart Necklace - Size Chain Length: 41 cm (16.14 in) Pendant: 2 cm (0.79 in) (length) x 2 cm (0.79 in) (width) Total weight: 6.1 g - Accessories None - Material 750 *About the condition (rank)** N: S: Unused items. Items on display. Or items that we judge to be similar. Condition Guide: S: Like new by the store's standards SA: Almost unused, overall clean condition A: Excellent condition AB: Minor signs of use, good condition B: Signs of wear from normal use C: Noticeable scratches, dirt, or signs of use D: Heavily damaged or in need of repair