【Type of Pearl】Akoya Pearl 【Untreated Color】 【Pearl Color】Natural 【Pearl Shape】Baroque ~ Drop ~ Semi-round 【Pearl Size】Approx. 9mm-10mm 【Pearl Grade】 ■Luster: Good ★☆☆☆☆ Weak (Very Good) ■Nacre: Thick ★☆☆☆☆ Thin (Thick) ■Flaws: Few ☆☆★☆☆ Many (Medium) 【Metal Fittings/Material】Bail: 14K White Gold (K14WG) / 18K (K18) Photos taken in natural light without flash (Photos 1-6) These pearls have very good luster and thick nacre. "Kankan-maki" refers to pearls with very thick nacre in the pearl industry. You can see a very vivid natural blue color created by nature, with strong iridescence. It's like looking at a small aurora in the palm of your hand. These are still raw pearls, without holes drilled! This color is very rare and difficult to find.