Madagascar sphene 1.146ct loose stone
Sale price¥29,800
Madagascar sphene 0.823ct loose stone
Sale price¥29,800
[12551668] Anthill Garnet 1.008ct Loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥25,800
Myanmar Lavender Jade (Jadeite) 4.907ct Loose Stone
Sale price¥19,800
Russian Demantoid Garnet Cat's Eye (Horsetail Recognized) 0.200ct Loose
Sale price¥29,800
Tanzanian Rhodolite Garnet 1.157ct Loose Stone
Sale price¥14,800
Tanzanite 1.116ct loose stone
Sale price¥29,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥19,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Kunzite from Afghanistan 8.4mm/3.300ct loose stone
Sale price¥12,800
Madagascar pink sapphire 0.346ct loose stone
Sale price¥16,800
Madagascar Blue Sapphire 0.302ct Loose
Sale price¥16,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥15,800
Paraiba tourmaline from Brazil 0.023ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.018ct loose
Sale price¥14,800
Color change sapphire 0.473ct loose stone (purple sapphire)
Sale price¥29,800
Myanmar orange spinel 0.377ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.213ct loose stone
Sale price¥12,800
Paraiba tourmaline from Brazil 0.049ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.061ct loose
Sale price¥25,800
Paraiba tourmaline from Brazil 0.057ct loose
Sale price¥22,800
Tanzanian Mandarin Garnet 0.359ct Loose Stone
Sale price¥22,800
Tanzanian Kornerupine 0.212ct loose stone
Sale price¥19,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥18,800
Tanzanian Kornerupine 0.199ct loose stone
Sale price¥19,800
Brazilian Quartz in Quartz 15.373ct Loose Stone
Sale price¥24,800
0.421ct loose yellow sapphire from Ratnapura, Sri Lanka
Sale price¥11,800
0.768ct Yellow Sapphire Loose Stone from Ratnapura, Sri Lanka
Sale price¥19,800
Pink tourmaline 0.845ct loose stone
Sale price¥14,800
Pink tourmaline 0.692ct loose stone
Sale price¥18,800
Mongolian bicolor andesine (color change andesine) 1.305ct loose stone
Sale price¥15,800
Tibetan bicolor andesine 1.485ct loose stone (color change andesine)
Sale price¥18,800
Mexican Fire Agate 5.110ct Loose Stone
Sale price¥14,800
Colombian emerald cat's eye 0.138ct loose
Sale price¥17,800
Blue watermelon tourmaline 2.380ct loose
Sale price¥15,800
[Sakura Incut] Danburite 8mm/1.581ct loose stone with patch
Sale price¥29,800
Synthetic rutile 6mm/1.091c loose stone
Sale price¥22,800
Tanzanian Golden Sheen Sapphire 3.8mm/0.301ct Loose Stone
Sale price¥13,800
Brazilian Bicolor Tourmaline 7.2mm/1.326ct Loose Stone
Sale price¥19,800
Mozambique Rubellite 0.410ct Loose Stone
Sale price¥15,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.