Pink spinel 0.848ct loose stone 6.6mm
Sale price¥12,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Brazilian dumortierite in quartz 9.490ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 4.263ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 4.180ct loose
Sale price¥12,800
Mexican Hyalite Opal 2.592ct loose
Sale price¥9,800
Russian demantoid garnet (horsetail recognized) 3.7mm/0.231ct loose
Sale price¥22,800
Russian demantoid garnet (horsetail recognized) 3.8mm/0.232ct loose
Sale price¥18,800
Unheated silky pink sapphire from Vietnam 0.175ct loose
Sale price¥7,980
[Rouge cut] Almandine garnet 4.632ct loose
Sale price¥15,800
[Rouge cut] Almandine garnet 3.214ct loose
Sale price¥15,800
[Rouge cut] Almandine garnet 2.661ct loose
Sale price¥12,800
Diamond 0.051ct loose (trapeze cut, VS class equivalent)
Sale price¥9,800
Diamond 0.777ct loose (butterfly cut)
Sale price¥77,777
Mexican cantera opal 12.610ct loose
Sale price¥29,800
Morganite from Nigeria 0.889ct loose
Sale price¥4,980
Almandine garnet 2.964ct loose
Sale price¥15,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥49,800
Bicolor sapphire 0.231ct loose
Sale price¥6,980
Bicolor sapphire 0.207ct loose
Sale price¥6,980
Bicolor sapphire 0.190ct loose
Sale price¥6,980
Pink tourmaline 1.690ct loose
Sale price¥39,800
Colombian Euclase 3.417ct rough stone
Sale price¥12,800
[Camellia cut] Opal 14mm/5.283ct loose with patch
Sale price¥98,000
Synthetic rutile 5mm/0.553ct loose stone
Sale price¥15,800
Synthetic rutile 5.8mm/0.904ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.388ct loose
Sale price¥24,800
Unheated Burmese pink spinel 1.430ct loose AIGS
Sale price¥188,000
Spinel 1.680ct loose
Sale price¥8,800
Chrysoberyl cat's eye from Sri Lanka 5.176ct loose
Sale price¥198,000
Pink diamond 2.2mm/0.044ct loose (FANCY PURPLE PINK, I-1)
Sale price¥39,800
925 Silver Necklace Adjuster Parts 5cm Necklace Extension Chain
Sale price¥1,280
Pink tourmaline (rose cut) 0.512ct loose
Sale price¥8,800
Bicolor tourmaline 0.397ct loose
Sale price¥8,800
Chrysoberyl cat's eye 0.844ct loose
Sale price¥12,800
Chrysoberyl cat's eye 0.861ct loose
Sale price¥18,800
Chrysoberyl cat's eye 0.953ct loose
Sale price¥15,800
Chrysoberyl cat's eye 0.712ct loose
Sale price¥9,800
Chrysoberyl cat's eye 0.810ct loose
Sale price¥12,800
Blue Topaz 5.1mm/0.511ct Loose
Sale price¥4,980
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.