[Available 9/5, 10 PM] 8.246ct Rough Paraiba Tourmaline from Brazil
Sale price¥25,800
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
Sale price¥79,800
[On sale 9/6 at 10 PM] Kochi Prefecture Peach Coral 13.010ct Loose Stone
Sale price¥12,800
Green Fluorite 38.074ct Loose
Sale price¥148,000
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
[Published 12562277] Brazilian Marcasite in Quartz Loose Stone 4.188ct
Sale price¥12,800
Kochi Prefecture Aka Coral 4.627ct Loose Gemstone
Sale price¥22,800
Euclase with Pyrite from Colombia 37.340ct Rough Gemstone (Hokikyosho)
Sale price¥12,800
[Item 12564087] Kochi Prefecture Boke Coral (Sango) 15.237ct Loose Stone
Sale price¥69,800
[Published as 12564054] Kochi Prefecture Coral 8.132ct Loose Stone
Sale price¥69,800
[Lottery Sale 0707_06] Kunzite from Afghanistan, 69.722ct Loose Stone
Sale price¥258,000
[Listed on 12562258] Eudialyte from Canada 2.796 ct loose stone
Sale price¥39,800
[Listed as 12562727] Pink Imperial Topaz 1.907ct Loose Stone
Sale price¥118,000
Kochi Prefecture Blood Coral 1.286ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Quartz 4.571ct Loose
Sale price¥12,800
Brazilian Dendritic Quartz 5.085ct Loose Stone
Sale price¥12,800
Australian Rainbow Lattice Sunstone 4.133ct Loose
Sale price¥28,800
Loose 0.824 ct Colombian Bi-Color Emerald
Sale price¥25,800
Malawian Moonstone (Malawi Moonstone) 2.184ct Loose
Sale price¥13,800
Malawi Moonstone (Malawi Moonstone) 3.158ct Loose Gemstone
Sale price¥18,800
American Oregon Sunstone 10.8mm/4.864ct Loose
Sale price¥98,000
Brazilian Pyrite in Quartz 5.600ct Loose Gemstone
Sale price¥9,800
2.073ct Loose Australian Rainbow Lattice Sunstone
Sale price¥15,800
Australian Rainbow Lattice Sunstone 2.902 ct Loose Stone
Sale price¥29,800
Australian Rainbow Lattice Sunstone 2.208ct Loose
Sale price¥22,800
Brazilian Dumortierite in Quartz 1.684ct Loose Gemstone
Sale price¥12,800
Kochi Prefecture-produced red coral (Boke) 4.485ct loose gemstone
Sale price¥98,000
[Lottery Sale 0428_2_07] Watermelon Tourmaline 14.780ct Loose Stone
Sale price¥128,000
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.