White sapphire 0.338ct 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
Ruby 0.213ct loose
Sale price¥7,980
Green tourmaline cat's eye 6.480ct loose
Sale price¥8,800
Tourmaline cat's eye 4.790ct loose
Sale price¥6,980
Purple spinel 0.825ct loose stone
Sale price¥5,980
Zircon 0.654ct loose stone
Sale price¥8,800
Morganite 0.960ct loose (Asscher cut)
Sale price¥9,800
Aquamarine 0.940ct loose stone
Sale price¥8,800
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)
![[Available at 10 PM on August 10th] Limited Quantity: Brazilian Yellow Danburite Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010296_93b18168-adac-4046-a787-5526f00e9467.jpg?v=1755047677&width=4000)
![[Available at 10 PM on August 14th] [Limited to 10 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010244_bcc49139-ef12-4373-ab57-65a246bbdbeb.jpg?v=1755049700&width=4000)
![[Available from 10/8] [Limited to 7 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010216_202f7339-09bc-46f1-9dcd-7ec0e44b5b2e.jpg?v=1754619579&width=4000)
![[Available at 10 PM on August 9th] Limited Quantity: 1.5mm Pink Spinel from Myanmar (including Hot Pink Spinel) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010178_cfebbbd9-0116-4cc1-be32-c12acb39a6ea.jpg?v=1754628360&width=4000)
![[Available at 10 PM on August 10th] Limited to 27 stones: Peridot (Trilliant Cut) 1 stone (5.0-5.5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010084_4a2e1c44-445d-4bac-be57-eee3a0f8374b.jpg?v=1754617992&width=4000)
![[Available at 10 PM on August 9th] Limited to 4 stones: Peridot (Flanders Cut) x 1 stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010034_c266f18c-8a8f-48c1-8bf0-9b5c098111b7.jpg?v=1754627168&width=4000)
![[On sale at 10pm on September 15th] Pakistani Peridot 0.408ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8083840_cdc67d99-d6ba-48ce-bdbb-e4cd38b8eed5.jpg?v=1757725346&width=3041)
![[On sale at 10pm on September 15th] Pakistani Peridot 0.376ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8083708_29811ebf-a491-487b-99a6-7bd63725243e.jpg?v=1757725346&width=2550)
[Sold at 10 PM on September 12th] Ethiopian Opal 6.6mm/0.635ct Loose
Sale price¥9,800
[8/8 22:00] Brazilian Dumortierite in Quartz 1.117ct Loose Stone
Sale price¥8,800
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.