Custom Cut
Sky blue topaz 0.563ct loose stone
Sale price¥5,980
Sky blue topaz 0.428ct loose stone
Sale price¥5,980
Brazilian imperial topaz 0.830ct loose
Sale price¥18,800
Bicolor Zoisite 0.203ct loose stone
Sale price¥8,800
Tanzanite 0.349ct loose
Sale price¥8,800
Bicolor Zoisite 0.402ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.302ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.273ct loose stone
Sale price¥7,980
Tanzanite 0.328ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.229ct loose stone
Sale price¥6,980
Bicolor Zoisite 0.392ct loose stone
Sale price¥7,980
Green tourmaline 0.090ct loose stone
Sale price¥5,980
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Lepidocrocite in Quartz 0.768ct Loose
Sale price¥7,980
Lepidocrocite in Quartz 0.241ct Loose Stone
Sale price¥6,980
Lepidocrocite in Quartz 0.382ct Loose
Sale price¥6,980
Moss agate 0.720ct loose stone
Sale price¥6,980
Green tourmaline 0.637ct loose
Sale price¥8,800
![[On sale March 28 at 10 PM] Mozambique Almandine Garnet 1.363ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P3133034_8ab44c6a-e350-40f3-825b-ea020a17fae6.jpg?v=1774653846&width=2877)
![[On sale March 15th, 10 PM] Brazilian Rose Amethyst 2.626ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P3132862_088258ad-f51c-46d6-9b67-b5b7e7ff9e67.jpg?v=1773408772&width=2855)
![[Sale begins March 15 at 10 PM] Brazilian Amethyst Loose Stone 2.975ct](http://store.karatz.jp/cdn/shop/files/P3132630_686076d3-2531-4cec-990c-d8561776629b.jpg?v=1773408772&width=2732)
[On Sale March 30, 10 PM JST] Indian Black Moonstone 1.871ct Loose Stone
Sale price¥12,800
![[On Sale at 10 PM on March 7th] Tanzanite from Tanzania 0.416ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P3038608_02fbd2ab-e481-45df-87f2-9ef1683f93b5.jpg?v=1772844395&width=2814)
Yellow sapphire 0.294ct loose
Sale price¥8,800
Yellow sapphire 0.464ct loose
Sale price¥9,800
Cambodian blue zircon 0.258ct loose
Sale price¥6,980
Cambodian blue zircon 0.197ct loose
Sale price¥5,980
Cambodian blue zircon 0.217ct loose
Sale price¥6,980
Cambodian blue zircon 0.267ct loose
Sale price¥6,980
Myanmar color change zircon 1.00ct loose (reverse color change)
Sale price¥69,800
[On Sale 3/7 at 10pm] Brazilian Sky Blue Topaz 0.746ct Loose
Sale price¥8,800
Madeira citrine 0.170ct loose
Sale price¥5,980
![[On Sale at 10 PM on 2/26] Tanzanian Yellow Zircon 0.835ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2198787.jpg?v=1772013822&width=4000)
[On sale at 10 PM on March 1st] Synthetic rutile 2.462ct loose stone
Sale price¥25,800
[On sale 10 PM April 17th] Synthetic Rutile 0.768ct Loose Stone
Sale price¥12,800
![[On Sale 3/2 at 10pm] Australian Prehnite 2.666ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2198301.jpg?v=1772284026&width=4000)
[On Sale 3/2 at 10pm] Australian Prehnite 2.666ct Loose Stone
Sale price¥12,800
[Sale on April 5th at 10 PM] Australian Prehnite Loose Stone 0.908ct
Sale price¥7,980
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.