November's birthstone is topaz. How about using a birthstone as a charm? It sparkles and is very cute. This necklace features a large pink topaz sparkling on a simple pink gold chain. Stamped 10K 10K Pink Gold Pink Topaz Stone size: 1.2-1.3 x 1.0 cm There may be some errors due to amateur measurements. I have lost the certificate, but it is a product purchased from Tsutsumi. It will be shipped by Nekopos or Compact with simple packaging, so please understand. Since it is a used item, please understand that there may be small scratches. Also, please note that we do not accept claims or returns after purchase from the perspective of preventing switching.