Brazilian rainbow scapolite 3mm/0.133ct loose (rose cut)
Sale price¥3,980
Montana Sapphire 2.8mm/0.098ct Loose Stone (Yellow)
Sale price¥6,980
Ice ruby (pink sapphire) from Greenland 0.416ct loose with certificate
Sale price¥18,800
Pink sapphire from Greenland 0.754ct loose with certificate
Sale price¥25,800
Yellow sapphire from Sri Lanka 6mm/0.816ct loose
Sale price¥18,800
Yellow sapphire from Sri Lanka 6mm/0.962ct loose
Sale price¥18,800
Myanmar pink spinel 0.325ct loose stone
Sale price¥6,980
Myanmar Purple Spinel 0.312ct Loose Stone
Sale price¥3,980
Lavender spinel 1.285ct loose
Sale price¥39,800
0.327ct loose yellow sapphire from Madagascar
Sale price¥12,800
0.324ct loose pink sapphire from Madagascar
Sale price¥12,800
Madagascar sapphire 0.298ct loose stone
Sale price¥12,800
Madagascar sapphire 0.289ct loose stone
Sale price¥12,800
Madagascar sapphire 0.503ct loose stone
Sale price¥15,800
Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
Cambodian Zircon 0.414ct Loose Stone
Sale price¥6,980
Tanzanian Zircon 1.035ct Loose Stone
Sale price¥9,800
Tanzanian Green Zircon 0.364ct Loose Stone
Sale price¥6,980
Tanzanian Brown Zircon 0.642ct Loose Stone
Sale price¥8,800
Cambodian Blue Zircon (Ratanakiri Blue) 2.607ct Loose Stone
Sale price¥59,800
Brazilian Green Spodumene 2.899ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.433ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 2.710ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 1.918ct Loose Stone
Sale price¥9,800
Sri Lankan star sapphire 2.062ct loose
Sale price¥12,800
Cambodian Blue Zircon 0.521ct Loose Stone
Sale price¥5,980
Myanmar pink spinel 0.294ct loose stone
Sale price¥6,980
Colorless zircon 1.831ct loose
Sale price¥12,800
Cambodian blue zircon 0.232ct loose stone
Sale price¥4,980
Afghanistan Lazurite in Sodalite 0.579ct Loose Stone
Sale price¥9,800
Oregon Sunstone from the United States 1.203ct loose stone
Sale price¥9,800
Sri Lankan Purple Sapphire 0.502ct Loose
Sale price¥7,980
Brazilian Rainbow Scapolite 3mm/0.120ct Loose Stone
Sale price¥3,980
Brazilian Madeira Citrine 6.8mm/1.150ct Loose Stone
Sale price¥4,980
Sapphire from Sri Lanka (Safarin) 0.245ct loose
Sale price¥12,800
![[Koshu Precious Stones Plusthree] Smoky Quartz 0.657ct Loose Patch](http://store.karatz.jp/cdn/shop/files/P1185356.jpg?v=1752322391&width=4000)
[Koshu Precious Stones Plusthree] Smoky Quartz 0.657ct Loose Patch
Sale price¥19,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Tanzanian Sunstone Scapolite 1.780ct Loose
Sale price¥12,800
Sri Lankan Star Sapphire 1.028ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.725ct Loose
Sale price¥6,980
Cambodian Zircon 1.620ct Loose
Sale price¥15,800
Madagascar sphene 0.803ct loose stone
Sale price¥19,800
Sri Lankan Yellow Sapphire 0.320ct Loose
Sale price¥15,800
Sri Lankan saffron 0.517ct loose stone, Japan-German
Sale price¥59,800
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.