- Brand Name Tiffany & Co. - Model Name Open Heart Necklace - Size Chain length: approx. 41 cm (16.14 in) Pendant: approx. 2 cm (0.79 in) (length) x 2 cm (0.79 in) (width) Total weight: approx. 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. SA: Clean item with little or no signs of use A: Item in good condition with little use AB: Item with some use. marks. Or scratches B: Item with scratches. Stains. And signs of use BC: Item with noticeable use. marks. Or scratches C: Item with a difficulty that is said to be junk