18K / 750 Yellow Gold Earrings with Akoya Pearl, Ruby, and Aquamarine 18 k yellow gold (not stamped, tested positive for 18 k) Length: 58 mm Weight: 4.02 g • 2 Akoya pearls of 7.6 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 drop-shaped, 11.8 × 8 mm • 4 faceted rondelle-cut rubies, 2 × 3.5 mm These types of gemstones are commonly treated to enhance their color. This has not been tested for these specific stones. 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)