Main Gem Type: Sea Pearl Main Gem Name: Golden South Sea Pearl Country of Origin: Australia Surface markings or Blemishes: very clean Main Color: gold Size: 10-11mm Shape: perfect round Luster: AAA+ top quality Mollusk: Pinctada maxima Nacre thickness: thick Chain Material: 18K solid yellow gold Length: up to total length approx. 20" Metal Stamp: AU750 Good to know: This item is also available as Tahitian peacock green pearl with 18K solid white gold chain. Please find it in store for details. P