Tanzanian green sapphire 0.303ct loose stone
Sale price¥8,800
2.055ct Bicolor Sphalerite from Spain
Sale price¥39,800
Chameleon Diamond Green Diamond 0.122ct Loose (FANCY GRAY GREEN, SI2)
Sale price¥69,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Brazilian Canary Yellow Chrysoberyl 0.672ct Loose
Sale price¥18,800
0.798ct Loose Chrysoberyl Cat's Eye from Sri Lanka
Sale price¥12,800
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥14,800
Madagascar sphene 0.838ct loose stone
Sale price¥9,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥49,800
Sri Lankan Chrysoberyl Cat's Eye 4.1mm/0.490ct Loose
Sale price¥15,800
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥18,800
Salt and pepper diamond 0.446ct loose
Sale price¥39,800
Sri Lankan Chrysoberyl Cat's Eye 4.3mm/0.582ct Loose Stone
Sale price¥15,800
Brazilian canary yellow chrysoberyl 1.572ct loose
Sale price¥39,800
0.308ct Unset Yellow Sapphire (Sri Lankan)
Sale price¥13,800
Spanish Sphalerite 6.2mm/1.320ct loose stone
Sale price¥12,800
Tanzanian Yellow Scapolite 1.780ct Loose
Sale price¥8,800
Mexican Fire Opal 1.424ct Loose
Sale price¥39,800
Bulgarian Sphalerite 7.6mm/2.233ct Loose
Sale price¥69,800
Green tourmaline 0.621ct loose stone
Sale price¥9,800
Green tourmaline 0.457ct loose stone
Sale price¥8,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥18,800
2.946 ct loose barite from Guizhou, China, with a gemological report
Sale price¥69,800
Brazilian imperial topaz 0.830ct loose
Sale price¥18,800
Brazilian Limonite in Topaz 6.579ct loose stone (with rainbow)
Sale price¥18,800
Brazilian dendritic quartz 3.608ct loose stone
Sale price¥8,800
Zambian Canary Yellow Tourmaline 0.158ct Loose Stone
Sale price¥9,800
Yellow sapphire 0.294ct loose
Sale price¥8,800
Yellow sapphire 0.464ct loose
Sale price¥9,800
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥15,800
Bicolor Sphalerite from Spain 6.6mm/1.496ct Loose
Sale price¥25,800
Mexican egg-in opal 3.646ct loose stone
Sale price¥25,800
Mexican egg-in opal 4.879ct loose stone
Sale price¥29,800
[Sale on March 22nd at 10 PM] Golden Zircon 0.416ct Loose Stone
Sale price¥9,800
0.209ct Yellow Diamond Loose (Fancy Deep Brownish Yellow, VVS-2)
Sale price¥49,800
Tanzanian Yellow Zircon 0.835ct Loose
Sale price¥9,800
Diamond rough (makeable) 0.284ct rough
Sale price¥12,800
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥8,800
Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Gemstone
Sale price¥15,800
Tanzanian Lavender Tanzanite 0.391ct Loose Stone
Sale price¥12,800
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.