Myanmar Violet Spinel 0.426ct Loose
Sale price¥8,800
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥6,980
Australian black opal 0.650ct loose
Sale price¥15,800
[Sale on May 24th at 10 PM JST] Australian Black Opal 0.216ct Loose
Sale price¥11,000
[On sale 5/22 at 10 PM] Australian Black Opal 0.325ct Loose Stone
Sale price¥9,800
[On Sale May 22 at 10 PM JST] Australian Black Opal 1.393ct Loose Stone
Sale price¥48,800
[On sale May 24th at 10 PM] Australian Black Opal 0.522ct Loose Stone
Sale price¥18,800
Sapphire 0.461ct loose stone
Sale price¥12,800
Gray Diamond, 2.9mm/0.096ct Loose (VERY LIGHT GRAY, SI-1)
Sale price¥15,800
Gray Diamond 2.8mm/0.089ct Loose (LIGHT GRAY, SI-2)
Sale price¥16,800
Tanzanian Zoisite 1.290ct Loose Stone with Appraisal
Sale price¥19,800
Gray Diamond 0.107ct Loose (FANCY GRAY, I-1)
Sale price¥39,800
Gray Diamond 0.158ct Loose (FANCY DARK GRAY, I-1)
Sale price¥45,800
Green tourmaline 0.090ct loose stone
Sale price¥5,980
Australian Black Opal 0.956ct Loose Stone
Sale price¥39,800
Mexican bicolor Danburite 1.932ct loose stone by Nikkei
Sale price¥29,800
Indian Black Moonstone 0.609ct Loose
Sale price¥7,980
Indian Black Moonstone 1.871ct Loose Gemstone
Sale price¥12,800
British Rogerley Fluorite 3.750 ct loose stone
Sale price¥8,800
Synthetic rutile 2.462ct loose stone
Sale price¥25,800
0.076ct Loose Madagascar Bekily Blue Garnet (Color Change Garnet)
Sale price¥9,800
![[12/7 22:00] Tanzanian Zoisite 1.312ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052795_87a82d9b-570c-4ae4-b889-ab9a76d6a0c7.jpg?v=1765587236&width=3276)
[12/7 22:00] Tanzanian Zoisite 1.312ct Loose Stone
Sale price¥18,800
2.275ct Australian Black Opal Loose Stone (Double Sided)
Sale price¥59,800
Colombian emerald rough stone 7.924ct
Sale price¥9,800
Brazilian Blue Anatase 0.424ct Loose Stone
Sale price¥49,800
Sri Lankan star sapphire 1.093ct loose
Sale price¥8,800
Madagascar Labradorite 6.1mm/0.816ct Rose Cut Loose Stone
Sale price¥8,800
Salt and Pepper Diamond 5.2mm/0.863ct Loose (Cabochon Cut)
Sale price¥98,000
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Oregon Sunstone from the United States 8.0mm/1.835ct loose stone
Sale price¥22,800
2.801ct loose stone of Rogerian fluorite from the UK
Sale price¥8,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone
Sale price¥16,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.192ct Loose Stone
Sale price¥13,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.272ct Loose Stone
Sale price¥19,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.179ct Loose Stone
Sale price¥12,800
Sri Lankan Musgravite 0.389ct Loose Stone (Tubular Inclusions) Nikkei
Sale price¥398,000
Oregon Sunstone from the United States 1.198ct loose stone
Sale price¥8,800
Brazilian Mica in Quartz (Mica in Quartz) 0.990ct Loose
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 0.701ct Loose Stone
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 1.009ct Loose Stone
Sale price¥9,800
Sri Lankan Blue Sapphire 0.344ct Loose
Sale price¥12,800
Brazilian Pink Tourmaline 0.331ct Loose Stone
Sale price¥8,800
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.