Brazilian Lazulite 0.052ct Loose Stone with Certificate
Sale price¥32,800
Brazilian Limonite in Topaz 7.141ct Loose
Sale price¥19,800
Tanzanian Bi-Color Grossular Garnet 2.057ct Loose Stone
Sale price¥55,800
Mexican Fire Opal (Faceted) 1.046ct Loose Gemstone
Sale price¥29,800
Tanzanian Tanzanite 4.1mm/0.295ct Loose Stone
Sale price¥9,800
1.415ct Loose Tanzanian Lavender Tanzanite
Sale price¥45,800
Internally Flawless Diamond 4.3mm/0.300ct Loose (F, IF, 3Excellent) GIA
Sale price¥98,000
Brazilian Tricolor Tourmaline 32.207ct Loose (Parti-color Tourmaline)
Sale price¥398,000
Tanzanian Tanzanite 0.406ct Loose Stone
Sale price¥12,800
0.289 ct Loose Spanish Cobalt Calcite with Certificate
Sale price¥29,800
Spanish Cobalt Calcite 0.253ct Loose Stone with Certificate
Sale price¥25,800
Brazilian Green Spodumene Loose Stone 1.460 ct
Sale price¥12,800
Brazilian Sky Blue Topaz, 0.756 ct, loose stone
Sale price¥8,800
Madagascar Apatite 6.5mm/1.285ct Loose (Rose Cut)
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.170ct Loose Stone (CuO: 2.1%, MnO: 1.1%)
Sale price¥258,000
[Colorfyl] K18WG Diamond 0.126ct Pendant (Necklace)
Sale price¥49,800
[Calafull] K18 Diamond 0.3ct Pendant Top (Necklace Top)
Sale price¥39,800
【Calafuri】K18WG Diamond 0.21ct Pendant Top (Necklace)
Sale price¥49,800
Brazilian Sky Blue Topaz 0.802ct Loose Stone
Sale price¥9,800
0.056 ct loose Eudialyte from Canada with certificate
Sale price¥15,800
Brazilian Lazuilte (Lazulite) 0.066ct Loose Stone with Certificate
Sale price¥39,800
0.274 ct Loose Colombian Bi-Color Emerald
Sale price¥98,000
8.020 ct Boulder Opal Loose Stone from Australia with Certificate
Sale price¥69,800
Kunzite from Afghanistan (Lilac Pink) 49.724 ct Loose Gemstone
Sale price¥298,000
Pink Diamond 0.137ct Loose (FANCY DEEP BROWNISH PINK, I-1)
Sale price¥29,800
Ruby 0.286ct Loose Stone with Certificate
Sale price¥22,800
Loose Brown Diamond 0.290ct (FANCY BROWN, SI-2)
Sale price¥15,800
Diamond 3.7mm/0.318ct Loose (F, SI-1, Princess Cut)
Sale price¥49,800
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥18,800
Bicolor Zoisite 0.823ct rough stone
Sale price¥6,980
Bicolor Tanzanite 1.677ct rough stone
Sale price¥7,980
Bicolor Tanzanite 5.582ct rough stone
Sale price¥18,800
Colombian emerald 0.499ct rough stone
Sale price¥14,800
Colombian emerald 0.443ct rough stone
Sale price¥8,800
Mica in Quartz 0.865ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.736ct loose stone
Sale price¥5,980
Mica in Quartz 0.710ct Loose
Sale price¥5,980
K18 Aquamarine Chain Ring
Sale price¥24,800
K18 Peridot Chain Ring
Sale price¥22,800
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.