18 k / 750 Yellow Gold Becklace with Akoya Pearl and colored Tourmalines. Gold hallmark: 750 Length: 18.5 cm Weight: 8.9 g • 1 Akoya pearl, 9.3 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) • 52 rondelle-cut colored tourmalines, 3.5 × 5 mm 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