18 kt / 750 Yellow Gold Necklace with Akoya Pearl and Tourmaline. Gold hallmark: 750 Length: 46 cm Weight: 14.36 g • 1 akoya pearl of 9.5 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) • 2 freshwater pearls, 4 mm Ø • 2 freshwater pearls, 2.8 mm Ø • 154 rondelle-cut tourmalines, 2.5 x 5 mm Ø These types of gemstone are commonly treated to enhance color. This fact has not been examined for these specific stones SHIPPING: UPS, Fedex, or Correos Express insured shipping Transit time: Spain: 24 h Europe: approx. 48–72 h Worldwide / outside EU: approx. 48–72 h