18K / 750 Yellow Gold Necklace with Akoya Pearls and Blue Sapphire Gold hallmark: 750 Length: 50 cm Weight: 4.62 g • 5 Akoya pearls, 7.7 mm Ø Pearl type: Saltwater Akoya pearl (Pinctada martensi oyster) Shape: Round Origin: Japan Color: White Luster: Super high luster Nacre: Thick Surface: Smooth and clean (see photos) • 4 rondelle-cut blue sapphires,f 2.5 × 5 mm These types of gemstones are commonly treated to enhance their color. This has not been tested for these specific stones. Ships in a jewelry box SHIPPING: Insured shipping via UPS, DHL, FedEx, or Correos Express. Transit time: Spain: 24 h Europe: approx. 48–72 h Worldwide / outside EU: approx. 48–72 h