"Round blue sapphire Jewelry Halo Style Birthstone Unique Artisan design Full Sterling Silver Made Luxury Gemstone Jewelry ◆◆Pendant Main stone:10mm Created blue sapphire Pendant Height ( include bail) : 21mm Pendant Holder (bezel & Bail) : White Gold Coated fine 925 Sterling Silver Accent Stone: Sim Diamond ◆◆ Necklace chain : Platinum 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 Blue Sapphire Jewelry, Necklace White Gold, Halo 4, Blue Sapphire Pendant, Halo Style, Sapphire Pendant, Ruby Jewelry, Necklace White, Silver Box