18K / 750 Yellow Gold Earrings with Akoya Pearls, Freshwater Pearls, Opal, and Ruby 18 k yellow gold (not stamped, tested positive for 18 k) Length: 46 mm Weight: 3.01 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 tiny pearls, 3 mm Ø • 10 drop-cut opals, arranged by size from 3 × 4.5 mm to 7 × 4.5 mm • 10 faceted ruby beads, 2 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. Estimated transit time: • Spain: 24 h • Europe: approx. 48–72 h • Worldwide / outside EU: 72 h (delivery times may vary by destination)