This delicate tennis necklace features a minimalist design with a thin, dainty chain that gracefully rests at collarbone length. Its subtle elegance makes it a perfect everyday accessory, adding a touch of sophistication to any ensemble. No certificate of appraisal included But the specs From my invoice are: 3 ct tennis necklace (cannot confirm the size of each diamond but I counted 370 individual diamonds +/- 5 as margin of error) 18k wg (I don’t see a visible stamp) 17.7inches (actually more 17.5”) si clarity f color Originally paid $1200