0.162ct loose blue sapphire from Madagascar
Sale price¥9,800
0.170ct loose blue sapphire from Madagascar
Sale price¥8,800
Brazilian Elestial Amethyst 7.6mm/1.461ct Loose Stone
Sale price¥9,800
0.610ct loose blue apatite from Madagascar
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 0.100ct Loose
Sale price¥14,800
Namibian Jeremejevite 0.245ct loose stone
Sale price¥79,800
Russian emerald 0.269ct loose stone
Sale price¥79,800
Russian emerald 0.249ct loose stone
Sale price¥158,000
Brazilian mint-colored emerald 0.945ct loose stone
Sale price¥25,800
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
[12560246] Green Zoisite 1.316ct Loose Stone
Sale price¥15,800
[12560244] Bicolor Zoisite 0.508ct Loose Stone
Sale price¥7,980
Pt900 Brazilian Swiss Blue Topaz 0.41ct Cat Cut Earrings
Sale price¥19,800
[12560252] Zambian emerald 0.138ct loose stone
Sale price¥8,800
Pakistani Peridot 0.361ct Loose Stone
Sale price¥4,980
Pakistani Peridot 0.410ct Loose Stone
Sale price¥6,980
Brazilian Elestial Amethyst 0.482ct Loose Stone
Sale price¥4,980
Mexican fire opal (faceted cut) 0.417ct loose stone
Sale price¥8,800
Mexican Fire Opal (Faceted) 5.5mm/0.447ct Loose Stone
Sale price¥12,800
Mexican fire opal (faceted cut) 0.198ct loose stone
Sale price¥8,800
Afghanistan Clinozoisite 1.810ct Loose Stone (Phantom Cut)
Sale price¥8,800
Sealight (Shealight) 1.940ct loose
Sale price¥15,800
Rutilated Quartz (Rutilated Quartz) 82.385ct Loose Stone, Japan-Germany
Sale price¥29,800
Red beryl 0.181ct loose
Sale price¥29,800
[Cat cut] Amazon green opal 6.5mm/0.580ct loose
Sale price¥6,980
[Mr. NOBU] Green Opal from Amazon [Collaboration] 6.8mm loose
Sale price¥6,980
Sealight 2.666ct loose
Sale price¥18,800
Colombian emerald 0.222ct loose stone
Sale price¥59,800
Ethiopian Opal 6.6mm/0.635ct Loose
Sale price¥9,800
Brazilian Aquamarine 0.223ct Loose Stone
Sale price¥8,800
Brazilian Elestial Amethyst 1.008ct Loose Stone
Sale price¥8,800
Brazilian Elestial Amethyst 0.850ct Loose Stone
Sale price¥8,800
Pink tourmaline 0.391ct loose
Sale price¥4,980
Purple spinel 0.424ct loose (rose cut)
Sale price¥6,980
Russian demantoid garnet (horsetail recognized) 5.8mm/0.876ct loose
Sale price¥258,000
Fire opal 1.360ct loose
Sale price¥9,800
Bicolor tourmaline 3.277ct loose
Sale price¥9,800
Paudlettite 0.375ct loose Japanese-German book
Sale price¥298,000
Particolor tourmaline 32.207ct loose (tricolor tourmaline)
Sale price¥398,000
Watermelon tourmaline 44.201ct Ruth Japanese-German book
Sale price¥398,000
Mexican fire agate 3.613ct loose
Sale price¥15,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥59,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥79,800
Mexican Danburite 1.612ct loose stone (phantom cut)
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.