0.15 Ctw Round Diamond 14KT White Gold Open Heart Pendant on 14KT Rope Chain 18". This pendant is approximately 12.3mm in length and the necklace is approximately 18 1/2 inches in length. There is a knot in the chain near one of the ends.

10KT Yellow Gold 0.30 Ctw Single Cut Diamond Heart Pave Cluster 19.2mm Pendant. This pendant is approximately 19.2mm in length (including the bail) and 15.2mm in width.

Women's Estate Sterling Silver 925 3D Puffed Hollow 1.5" Heart Necklace Pendant

Women's Estate 10KT White Gold Leaf Filigree Detailed 26mm Heart Locket Pendant 

Women's Estate Sterling Silver 0.04 ctw Round Diamond Sliding Heart Pendant  

0.50 ctw Round Diamond Jane Seymour Open Hearts 14KT White Gold Diamond Pendant