![[On sale 10/19 at 10 PM] {Limited to 10 stones} Paraiba Tourmaline Gacha 💎 Paraiba Tourmaline or Paraiba Tourmaline in Quartz (1 loose stone) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/18_261a657f-9dba-46a6-9a8b-1805ad2c5b57.png?v=1760745196&width=4000)
![[4 stones left] Brazilian Dendritic Quartz Kitten Cut Loose Stone (For Beginners) (5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_bee5ee11-c26d-47e0-9e94-2c270bbdf768.png?v=1760169992&width=2250)
【11/2 22時販売開始】《限定8石》コロンビア産マンゴークォーツ（最大60ct含む,平均21.6ct）《複数購入割引有》
Sale price¥1,980
Kunzite from Afghanistan 0.753ct loose stone
Sale price¥9,800
[12559552] Brazilian Dumortierite in Quartz 2.074ct Loose Stone
Sale price¥25,800
[12559446] Tanzanian Kornerupine 0.241ct Loose Stone
Sale price¥45,800
[On Sale 11/1 at 10pm] Tanzanian Kornerupine 0.324ct Loose Stone
Sale price¥29,800
[On sale from 10/28 at 10pm] Rhodolite Garnet 1.270ct Loose Stone
Sale price¥7,980
[11/1 22:00 Sale] Mozambique Rhodolite Garnet 0.835ct Loose Stone
Sale price¥12,800
[11/1 22:00 Sale] Tanzanian Spessartine Garnet 0.383ct Loose Stone
Sale price¥12,800
![[12558274] Brazilian Medusa Quartz (Paraiba Quartz) 0.614ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA231129.jpg?v=1762157407&width=4000)
Tinker Bell Quartz (Pink Fire Quartz) 8.5mm/1.715ct Loose
Sale price¥25,800
Color change sapphire 0.283ct loose
Sale price¥3,980
Rutilated Quartz (Rutilated Quartz) 6.402ct Loose
Sale price¥3,980
Color change sapphire 0.401ct loose
Sale price¥3,980
Kunzite 8.4mm/2.908ct loose stone
Sale price¥19,800
Lepidocrocite in quartz 1.555ct loose
Sale price¥12,800
Lepidocrocite in Quartz 1.227ct Loose Stone
Sale price¥9,800
Lepidocrocite in quartz 0.692ct loose
Sale price¥8,800
Rose quartz 18.410ct loose (pineapple cut)
Sale price¥5,980
Green quartz 10.330ct loose (pineapple cut)
Sale price¥4,980
Hollandite in quartz 7.300ct loose
Sale price¥22,800
![[10/12 22:00 Sale] Tanzanian Kornerupine (total 1.151ct) 9-stone half eternity ring set (3.0mm)](http://store.karatz.jp/cdn/shop/files/collage_52d6da24-8637-46b4-93b7-078a0ed43a0c.png?v=1760178594&width=2250)
![[10/12 22:00] Tanzanian Kornerupine (total 1.103ct) 9-stone half eternity ring set (3.0mm)](http://store.karatz.jp/cdn/shop/files/collage_1f3d8852-2934-436a-ac72-3ac8ed95361a.png?v=1760178790&width=2250)
![[Available at 10:00 PM on October 12th] "Purple Sun" Ice Blue Sapphire, Amethyst, Bekiri Blue Garnet, and Tanzanite 13-Stone Half Eternity Ring Set (2.0mm)](http://store.karatz.jp/cdn/shop/files/collage_4817d101-289e-499a-a1ca-24bbaf1ded7c.png?v=1760146246&width=2250)
[Lottery Sale] 0.192ct Russian Demantoid Garnet Loose Stone
Sale price¥98,000
[12549595 published] Goshenite 1.080ct loose
Sale price¥8,800
[Posted 12548489] Cornell pin from Tanzania 0.286ct loose
Sale price¥19,800
[Posted 12548486] Cornerpine from Tanzania 0.312ct loose
Sale price¥25,800
![[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery](http://store.karatz.jp/cdn/shop/files/collage_c90ad5e1-b47a-49f9-b7d7-d75e04cd883a.png?v=1724920180&width=2000)
![[Available at 10 PM on August 11th] Limited to 10 stones: Pakistani Oil-in-Quartz (Moving Bubbles) - Single Loose Stone (Multiple Purchase Discounts Available)](http://store.karatz.jp/cdn/shop/files/collage_fbd2cd6c-14c7-44a3-a8fc-8a78ec33fd37.png?v=1754828598&width=2000)
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.