[Koshu precious stone cut plusthree] Citrine 0.962ct loose with patch
Sale price¥29,800
Sapphire from Sri Lanka (Safarin) 0.245ct loose
Sale price¥18,800
[E_27 Yurakucho Marui] Synthetic moissanite 6.5mm/0.985ct loose stone
Sale price¥15,800
Andalusite 0.690ct loose (buff top)
Sale price¥8,800
Bicolor tourmaline 1.084ct loose
Sale price¥14,800
Pink tourmaline 0.915ct loose
Sale price¥9,800
[Panda cut] Moonstone 3.565ct loose
Sale price¥8,800
[Panda cut] Moonstone 5.476ct loose
Sale price¥8,800
[Panda cut] Moonstone 5.172ct loose
Sale price¥8,800
[Panda cut] White quartz (milky quartz) 4.477ct loose
Sale price¥8,800
[Panda cut] Rose quartz 5.290ct loose
Sale price¥8,800
[Panda cut] Rose quartz 5.081ct loose
Sale price¥8,800
[Konpeito] Fluorite 3.837ct loose
Sale price¥22,800
Playnight 5.099ct loose
Sale price¥7,980
Green tourmaline 0.305ct loose stone
Sale price¥3,980
Mint green tourmaline 0.541ct loose stone
Sale price¥5,980
Pink tourmaline 0.841ct loose stone
Sale price¥12,800
Pink tourmaline 0.752ct loose stone
Sale price¥12,800
Bicolor Tourmaline 1.085ct Loose
Sale price¥12,800
Bicolor tourmaline 1.006ct loose stone
Sale price¥12,800
Myanmar pink spinel 0.294ct loose stone
Sale price¥6,980
[E_27 Yurakucho Marui take-out] Myanmar pink spinel 0.291ct loose
Sale price¥6,980
Myanmar pink spinel 0.325ct loose stone
Sale price¥8,800
Prehnite 3.874ct loose
Sale price¥6,980
Playnight 3.085ct loose
Sale price¥6,980
Prehnite 3.567ct loose
Sale price¥6,980
Prehnite 3.870ct loose
Sale price¥6,980
Cornel pin cat's eye 0.657ct loose
Sale price¥7,980
Cornel pin cat's eye 0.422ct loose
Sale price¥4,980
Hemimorphite 2.504ct loose
Sale price¥39,800
Opal 168.640ct rough stone
Sale price¥29,800
Paraiba tourmaline 87.396ct raw stone from Brazil
Sale price¥15,800
Brazilian Paraiba tourmaline 70.604ct raw stone
Sale price¥12,800
Brazilian Paraiba tourmaline 96.184ct raw stone
Sale price¥12,800
Paraiba tourmaline 233.409ct raw stone from Brazil
Sale price¥15,800
Brazilian Paraiba tourmaline 181.342ct raw stone
Sale price¥12,800
Colombian pyrite emerald 30.109ct rough stone
Sale price¥12,800
Colombian pyrite emerald 43.368ct rough stone
Sale price¥12,800
Iron opal 177.315ct loose
Sale price¥22,800
Labradorite from Finland 62.409ct Ruth (Spectrolite)
Sale price¥22,800
Rutilated Quartz (Rutilated Quartz) 110.150ct 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.