Cluster Heart Charms Pendant for Necklace (chain not included) Our heart charm pendant with a spring lock is crafted from 925 Sterling Silver with an 18K Yellow Gold 0.5 Micron finish. It weighs a sturdy 1.41 grams. The charm features 113 round-created white sapphires, each 1mm in size, totaling 0.68 carats. A 5mm spring lock makes it easy to attach to your favorite necklace. This pave charm combines the classic appeal of a heart design with the sparkle of sapphires, making it an ideal summer pendant or birthday gift for women. Heart Sapphire Charm This heart charm pendant is perfect for expressing your unique style and affection. It's more than just a pretty accessory; it's a symbol of love, affection, and all things that make your heart flutter. Item: Charm w/Spring Lock 5 mm Metal Purity: 925 Sterling Silver Metal Color: 18K YG 0.5 Micron Metal Wt. (gms): 1.41 gm Stone Name: Created White Sapphire Stone Shape: Round Stone Size (mm): 1 mm