18K / 750 Yellow Gold Earrings with Akoya Pearls, Freshwater Pearls, Peruvian Opal, and Tourmaline 18 k yellow gold (not stamped, tested positive for 18 k) Length: 45 mm Weight: 7.03 g • 2 Akoya pearls, 7,9 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) • 6 pear-cut peruvian opals, 9 × 10 mm • 6 faceted trillon-cut tourmalines, 6 × 6 mm • 6 tiny pearls, 3 mm Ø 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