Sri Lankan glass body (sapphire crystal) 5.355ct rough stone
Sale price¥9,800
Sri Lankan glass body (sapphire crystal) 6.836ct rough stone
Sale price¥12,800
Sri Lankan glass body (sapphire crystal) 6.612ct rough stone
Sale price¥12,800
Sri Lankan glass body (sapphire crystal) 7.134ct rough stone
Sale price¥9,800
Sri Lankan glass body (sapphire crystal) 5.573ct rough stone
Sale price¥9,800
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
Tanzania Bicolor Pink Zoisite 5.041ct Rough Stone
Sale price¥12,800
Tanzania Purple Zoisite Rough Stone 5.522ct
Sale price¥9,800
Synthetic Moissanite 11.7mm/5.570ct Loose Stone (Portuguese Cut)
Sale price¥29,800
[Koshu Precious Stone Cut] Scololite 6.039ct Loose Stone Patch
Sale price¥69,800
Mexican Fire Agate 6.090ct Loose Stone
Sale price¥14,800
[Koshu Precious Stones Plusthree] Ametrine 5.170ct Loose Patch
Sale price¥45,800
[Camellia Cut] Ametrine 12mm/5.411ct {Collaboration} Loose Stone Patch
Sale price¥55,800
Mexican Cantera Opal 5.204ct Loose
Sale price¥12,800
Watermelon tourmaline 6.575ct rough stone
Sale price¥9,800
Colombian pyrite in emerald 6.415ct loose stone
Sale price¥298,000
Montana Agate 9.528ct Loose
Sale price¥9,800
Mexican Cantera Opal 7.720ct Loose
Sale price¥22,800
Mexican Cantera Opal 7.262ct Loose
Sale price¥19,800
Mexican Cantera Opal 6.710ct Loose
Sale price¥22,800
Mexican Cantera Opal 6.205ct Loose
Sale price¥9,800
Mexican Cantera Opal 5.887ct Loose
Sale price¥12,800
Brazilian Amethyst 9.749ct Loose Stone
Sale price¥15,800
Brazilian Amethyst 12.9mm/7.637ct Loose Stone
Sale price¥12,800
Amethyst 9.860ct loose stone
Sale price¥18,800
Brazilian Indigolite Tourmaline 7.002ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Blue watermelon tourmaline 6.815ct loose
Sale price¥49,800
Mexican Fire Agate 5.110ct Loose Stone
Sale price¥14,800
Kunzite from Afghanistan 12mm/8.834ct loose stone
Sale price¥39,800
Synthetic Moissanite 8.679ct loose stone
Sale price¥39,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
Brazilian Flower Quartz 7.064ct Loose Stone
Sale price¥17,800
Bicolor Tanzanite 5.582ct rough stone
Sale price¥29,800
Ukrainian bicolor topaz 5.622ct loose stone
Sale price¥198,000
Green Spodumene 6.419ct loose stone
Sale price¥29,800
Spodumene 9.001ct loose stone
Sale price¥29,800
Spodumene 9.730ct loose stone
Sale price¥29,800
Brazilian Romanesite in Amethyst 7.083ct Loose Stone
Sale price¥18,800
Brazilian Flower Quartz 6.928ct Loose Stone
Sale price¥17,800
Brazilian Flower Quartz 6.004ct Loose Stone
Sale price¥15,800
Brazilian Flower Quartz 7.144ct Loose Stone
Sale price¥17,800
Brazilian Flower Quartz 6.501ct Loose Stone
Sale price¥16,800
Brazilian Flower Quartz 6.582ct Loose Stone
Sale price¥16,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥39,800
![[Koshu Precious Stones Plusthree] Tibetan Andesine 7.873ct [Collaboration] Loose Stone (Color Change Andesine)](http://store.karatz.jp/cdn/shop/files/collage_4f5b4421-c714-46aa-aee2-16359b25e490.png?v=1714140601&width=2000)
Brazilian Morganite 7.339ct loose stone
Sale price¥39,800
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.