Pink tourmaline cat's eye 3.800ct loose
Sale price¥8,800
Goethite in quartz 1.020ct loose
Sale price¥2,980
![[Sales End on Thursday, December 25th] Assassination Classroom x KARATZ Collaboration Acrylic Stands (6 Types)](http://store.karatz.jp/cdn/shop/files/ansatsu_akusuta_7.png?v=1764653453&width=1080)
Rose quartz 15mm/10.950ct loose
Sale price¥3,980
Rose quartz 15mm/10.850ct loose
Sale price¥3,980
![Limited to 7 stones: Brazilian Limonite in Quartz, 1 loose stone (average 6 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_10790d8c-055f-404e-b91b-4dc8a6f1ff16.png?v=1756029326&width=2000)
[12560244] Bicolor Zoisite 0.508ct Loose Stone
Sale price¥7,980
Colombian mint-colored emerald, 4.3mm/0.306ct loose stone
Sale price¥8,800
[12560252] Zambian emerald 0.138ct loose stone
Sale price¥8,800
Bicolor sapphire 0.334ct loose
Sale price¥9,800
Bicolor sapphire 0.149ct loose
Sale price¥6,980
Bicolor sapphire 0.323ct loose
Sale price¥9,800
California Axinite 1.150ct Loose Stone (Phantom Cut)
Sale price¥8,800
Fluorite 1.420ct loose stone
Sale price¥3,980
Afghanite 0.210ct loose
Sale price¥6,980
Diamond 0.054ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Colombian emerald cat's eye 0.112ct loose
Sale price¥9,800
Colombian emerald cat's eye 0.094ct loose
Sale price¥8,800
White sapphire 0.464ct loose
Sale price¥9,800
Yellow sapphire 0.385ct loose
Sale price¥9,800
White sapphire 0.364ct loose
Sale price¥9,800
White sapphire 0.271ct loose
Sale price¥7,980
White sapphire 0.212ct loose
Sale price¥6,980
White sapphire 4.5mm/0.462ct loose
Sale price¥9,800
Sweet Home rhodochrosite 2 stone set 2.6mm/0.228ct loose
Sale price¥9,800
Brazilian citrine 1.337ct loose stone
Sale price¥3,980
Violet spinel 0.514ct loose stone
Sale price¥6,980
Tourmaline cat's eye 4.790ct loose
Sale price¥6,980
Purple spinel 0.825ct loose stone
Sale price¥5,980
Morganite 0.960ct loose (Asscher cut)
Sale price¥9,800
Bicolor tourmaline 0.880ct loose
Sale price¥8,800
Diamond 2.810ct rough stone
Sale price¥9,800
![[Available on August 31st at 22:00 PM] Limited to 14 sets: Myanmar jadeite 3-color set [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010511_5e5e4da4-d3a6-4544-a408-c0d58f453413.jpg?v=1755050285&width=4000)
![Limited to 4 stones: 1 peridot (Flanders cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010034_c266f18c-8a8f-48c1-8bf0-9b5c098111b7.jpg?v=1754627168&width=4000)
Zimbabwean sphene 0.457ct loose stone
Sale price¥8,800
Zimbabwean sphene 0.393ct loose stone
Sale price¥8,800
Zimbabwean sphene 4.1mm/0.294ct loose stone
Sale price¥6,980
Zimbabwean sphene 4.0mm/0.276ct loose stone
Sale price¥6,980
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.