Simulated Birthstone Heart Photo Locket and Chain in Yellow Gold Tone- September- Simulated Sapphire Top Rated Seller - Trusted since 1952 - 90 Day Guarantee - Easy Returns Birthstones, historically sentimental, represent the month in which you or a loved one was born. Pendant Style: Locket - Theme: Gifts for Her Keepsake heart-shaped locket sparkles with a birthstone and opens to reveal one treasured photo. The perfect sweetheart gift for mom, grandmom or someone special. With 18" chain. Yellow gold tone. Specify birth month. Birthstones are simulted gemstones.