[On sale 3/2 at 10pm] Colombian Trapiche Emerald 0.221ct loose stone
Sale price¥18,800
[On sale 3/2 at 22:00] Myanmar purple spinel 0.311ct loose stone
Sale price¥8,800
Myanmar Color Change Zircon 3.7mm/0.323ct Loose Stone
Sale price¥25,800
Zimbabwe Bicolor Euclase 0.405ct Loose Stone by Nikkei
Sale price¥298,000
Myanmar Podretteite 0.407ct loose stone [Gemstone Encyclopedia]
Sale price¥128,000
Colombian Trapiche Emerald 0.317ct Rough Stone
Sale price¥29,800
Brazilian Pink Tourmaline 0.331ct Loose Stone
Sale price¥8,800
Colombian Trapiche Emerald 0.338ct Loose
Sale price¥18,800
Pakistani Oil in Quartz 0.442ct Loose Stone
Sale price¥9,800
Brazilian Alexandrite 0.128ct loose stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.441ct Loose Stone
Sale price¥22,800
[E_27 Yurakucho Marui] Blue sapphire 4.1mm/0.323ct loose stone
Sale price¥9,800
Blue sapphire 3.9mm/0.279ct loose stone
Sale price¥9,800
Blue sapphire 3.9mm/0.260ct loose stone
Sale price¥8,800
Blue sapphire 4.0mm/0.269ct loose stone
Sale price¥8,800
Madagascar pink sapphire 0.335ct loose stone
Sale price¥14,800
Madagascar Purple Sapphire 0.440ct Loose
Sale price¥18,800
Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
Sri Lankan Green Zircon 0.456ct Loose Stone
Sale price¥6,980
Blue beryl (Macis beryl) 0.215ct loose stone
Sale price¥9,800
Blue beryl (Macisi beryl) 0.303ct loose stone
Sale price¥12,800
Blue beryl (Macis beryl) 0.199ct loose stone
Sale price¥9,800
Blue beryl (Macis beryl) 0.162ct loose stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.221ct Loose
Sale price¥9,800
Madagascar Purple Sapphire 0.433ct Loose Stone
Sale price¥14,800
Indian Iolite Sunstone 0.359ct Loose Stone
Sale price¥12,800
Indian Iolite Sunstone 0.325ct Loose Stone
Sale price¥9,800
Indian Iolite Sunstone 4.1mm/0.230ct Loose Stone
Sale price¥8,800
Mexican Fire Opal (Faceted) 6.1mm/0.450ct Loose
Sale price¥12,800
Mexican Fire Opal (Faceted Cut) 0.352ct Loose
Sale price¥9,800
Madagascar Padparadscha Sapphire 0.310ct Loose GIA
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.148ct loose stone (CuO: 2.1%, MnO: 1.0%)
Sale price¥69,800
Blue sapphire 0.217ct loose stone
Sale price¥15,800
American Red Beryl 0.130ct Loose
Sale price¥29,800

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.