![[On sale May 5 at 10 PM] Untreated Sri Lankan Sapphire (Glass Body/Sapphire Crystal) 142.434 ct Rough with Certification](http://store.karatz.jp/cdn/shop/files/P1305718_0f25521f-68a8-45da-9c82-fe4b7c3ff2d0.jpg?v=1777594543&width=4000)
Bicolor Zoisite 0.823ct rough stone
Sale price¥6,980
Purple Zoisite 2.617ct rough stone
Sale price¥9,800
Spanish Sphalerite 11mm/7.286ct loose stone
Sale price¥79,800
Spanish sphalerite 6.392 ct loose stone
Sale price¥79,800
[Calafuri] K18WG Yellow Sapphire 0.05ct Pendant Top (Necklace Top)
Sale price¥79,800
Oregon Sunstone 0.272ct Loose
Sale price¥6,980
Oregon Sunstone 0.575ct loose
Sale price¥9,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥7,980
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Yellow sapphire 0.229ct loose stone
Sale price¥8,800
Green Spodumene 6.419ct loose stone
Sale price¥15,800
Sapphire 0.461ct loose stone
Sale price¥12,800
Spodumene 9.001ct loose stone
Sale price¥22,800
Spodumene 9.730ct loose stone
Sale price¥22,800
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥12,800
Synthetic Spinel 1.668ct Loose Stone (Synthetic Blue Spinel)
Sale price¥12,800
Violet spinel 0.642ct loose
Sale price¥6,980
Violet spinel 0.472ct loose
Sale price¥8,800
0.308ct Unset Yellow Sapphire (Sri Lankan)
Sale price¥13,800
Loose 2.120ct Oregon Sunstone from the USA
Sale price¥18,800
Spanish Sphalerite 6.2mm/1.320ct loose stone
Sale price¥12,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥12,800
Tanzanian Yellow Scapolite 1.780ct Loose
Sale price¥8,800
Ceylon Blue Sapphire (Ice Blue) 0.289ct Loose
Sale price¥9,800
Sri Lankan Unheated Star Sapphire 0.238ct Loose
Sale price¥3,980
0.354ct Unheated Star Sapphire Loose Stone from Sri Lanka
Sale price¥6,980
Unheated Sri Lankan Star Sapphire 0.361ct Loose
Sale price¥6,980
Loose 0.485 ct Sri Lankan Blue Sapphire
Sale price¥9,800
0.329ct Loose Blue Sapphire from Sri Lanka
Sale price¥15,800
0.133ct Loose Blue Sapphire from Madagascar
Sale price¥18,800
0.455ct Loose Madagascar Blue Sapphire
Sale price¥25,800
Tanzanian Zoisite 1.290ct Loose Stone with Appraisal
Sale price¥19,800
0.442ct Loose Blue Sapphire from Sri Lanka
Sale price¥22,800
0.345ct Loose Blue Sapphire from Sri Lanka
Sale price¥12,800
【Sakura Shape】Synthetic Sapphire 8.8mm/3.631ct Loose Stone
Sale price¥39,800
Cambodian Blue Zircon (Ratanakiri Blue) 1.205ct Loose Stone
Sale price¥18,800
Cambodian Blue Zircon 1.606ct Loose
Sale price¥18,800
Star Sapphire from Sri Lanka, 4.758 ct Loose Stone (Color Shift)
Sale price¥158,000
[Dandelion Cut] 7mm/1.412ct Sphene Loose Stone from Madagascar
Sale price¥59,800
Iolite Sunstone from India 0.472ct Loose Gemstone
Sale price¥5,980
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.