Diamond 3.7mm/0.318ct Loose (F, SI-1, Princess Cut)
Sale price¥49,800
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
[On sale 5/27 10 PM] Diamond 3.8mm/0.197ct Loose (E, VVS-1, VeryGood)
Sale price¥39,800
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Spodumene 9.001ct loose stone
Sale price¥22,800
Spodumene 9.730ct loose stone
Sale price¥22,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥6,980
Cristobalite in Quartz 2.417ct Loose Stone
Sale price¥8,800
Lepidocrocite in quartz 0.308ct loose
Sale price¥6,980
Lepidocrocite in quartz 1.087ct loose
Sale price¥5,980
Medusa Quartz (Paraiba Quartz) 1.855ct loose
Sale price¥18,800
GGG (Gadolinium Gallium Garnet) 3.046ct Loose Stone
Sale price¥18,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.020ct Loose Stone
Sale price¥15,800
Diamond 0.185ct Loose Stone (I, SI1, Ashoka Cut)
Sale price¥56,800
Brazilian Paraiba Tourmaline In Quartz 0.50mm/.313ct Loose
Sale price¥15,800
3.020 ct Pakistani emerald in quartz loose gemstone
Sale price¥18,800
Diamond 0.402ct Loose (H, VS2, Flanders Cut)
Sale price¥79,800
Loose White Diamond 0.108ct (FANCY WHITE, I-1)
Sale price¥55,800
Diamond 0.320ct loose (D, VS2)
Sale price¥69,800
YAG (Yttrium Aluminum Garnet) 1.357ct loose stone
Sale price¥15,800
YAG (Yttrium Aluminum Garnet) 1.171ct loose stone
Sale price¥14,800
Mexican Cantera Opal 15.195ct Loose
Sale price¥12,800
Moss Agate 0.771ct loose
Sale price¥6,980
Moss Agate 1.115ct loose
Sale price¥8,800
Bicolor Euclase from Zimbabwe 0.596ct Rough
Sale price¥29,800
Mica in Quartz 0.864ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.760ct Loose
Sale price¥5,980
Mica in Quartz 0.588ct Loose Stone
Sale price¥5,980
Medusa Quartz (Paraiba Quartz) 1.666ct loose
Sale price¥18,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.400ct Loose
Sale price¥6,980
Lepidocrocite in Quartz 0.768ct Loose
Sale price¥7,980
Lepidocrocite in Quartz 0.241ct Loose Stone
Sale price¥6,980
Lepidocrocite in Quartz 0.382ct Loose
Sale price¥6,980
Moss agate 0.720ct loose stone
Sale price¥6,980
Brazilian Limonite in Topaz 6.579ct loose stone (with rainbow)
Sale price¥18,800
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.