Andesine 3.430ct loose stone
Sale price¥18,800
Green Zoisite 3.617ct loose
Sale price¥118,000
Bicolor Zoisite 2.481ct loose
Sale price¥69,800
Pink zoisite 3.206ct rough stone from Tanzania
Sale price¥7,980
Synthetic rutile 2.031ct loose
Sale price¥9,800
Brazilian lepidocrocite in quartz 2.223ct loose
Sale price¥2,980
Blue zircon 3.283ct loose
Sale price¥75,800
Prehnite 3.870ct loose
Sale price¥3,980
Playnight 3.085ct loose
Sale price¥3,980
Prehnite 3.874ct loose
Sale price¥3,980
Bicolor pink euclase from Brazil 3.210ct loose Japanese-German edition
Sale price¥798,000
[On sale at 10pm on September 20th] Indian Moonstone 2.415ct Loose
Sale price¥15,800
Orthoclase 3.711ct loose stone, Japan-Germany exchange
Sale price¥15,800
Mexican fire agate 3.613ct loose
Sale price¥15,800
Bicolor tourmaline 3.277ct loose
Sale price¥9,800
Sealight 2.666ct loose
Sale price¥18,800
![[Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch](http://store.karatz.jp/cdn/shop/products/PA047853.jpg?v=1749164731&width=4000)
Brazilian Paraiba tourmaline in quartz 4.070ct loose
Sale price¥12,800
Aragonite 2.088ct loose Japanese-German book
Sale price¥25,800
Bicolor Sphene 4.50ct loose
Sale price¥258,000
[Sakura Incut] Moonstone 11mm loose with patch
Sale price¥29,800
Conch pearl 2.018ct loose (with flame pattern)
Sale price¥39,800
Tanzanite 4.940ct rough stone
Sale price¥3,980
White topaz 3.780ct loose
Sale price¥9,800
Dumortierite in quartz 4.110ct loose
Sale price¥18,800
Oregon Sunstone 2.120ct loose
Sale price¥25,800
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
YAG (yttrium aluminum garnet) 7.5mm/2.410ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 7.3mm./2.150ct loose
Sale price¥12,800
Brazilian Pink Imperial Topaz 2.794ct Loose Japanese-German Edition
Sale price¥128,000
Pink tourmaline cat's eye 3.800ct loose
Sale price¥8,800
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
Tourmaline cat's eye 4.790ct loose
Sale price¥6,980
Tourmaline cat's eye 4.590ct loose
Sale price¥12,800
Diamond 2.810ct rough stone
Sale price¥9,800
[On Sale at 10 PM on August 17th] Mexican Cantera Opal 2.125ct Loose
Sale price¥39,800
Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 3.188ct Loose Stone
Sale price¥15,800
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.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.