"10mm White opal necklace with sterling silver made. ◆Main Stone : High quality create white opal ◆Stone Size : 10mm ◆Whole Pendant size ( include bezel ): 20mm ◆Pendant Holder (bezel) : White gold or Rose gold coated solid Sterling Silver Accent Stone: Sim Diamond ◆◆ Necklace chain : White gold or rose gold coated 925 sterling silver Box Chain with length option from 16\" ~20\". The model wearing the default size 18\". 16 inch = 40cm 18 inch = 45cm 20 inch = 50cm ◆◆Please pay attention to the s Princess Diana Style, Gold Opal Necklace, Diana Style, Wedding Pendant, Opal Pendant Necklace, Flower Pendant Necklace, Silver Box, Opal Stone, Opal Pendants