![[Limited to 24 stones] Tourmaline Gacha💎Indigolite tourmaline, clover cut, and other single loose stones {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P3260066_db1fef34-9e00-4e51-bd72-9465f452c506.jpg?v=1711842063&width=4000)
![[On sale September 5th at 10 PM] Limited to 20 stones: Russian Demantoid Garnet (Horsetail inclusions, approximately 2mm) Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010052_5323a44e-e18e-4219-94e5-7d7bb0ecab84.jpg?v=1756867452&width=4000)
Diamond loose/certificate transfer fee
Sale price¥5,000
![[On sale from 10/10 at 10 PM] [Limited to 10 stones] Brazilian Bicolor Tourmaline Loose Stone (Baguette Cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/14_15be1edf-3bee-4b6c-a802-65c04eb4d4a9.png?v=1759454008&width=1500)
![[Available at 10 PM on September 7th] [Limited to 10 stones] Koshu Precious Stone Kiriko "Broom" plusthree 45ct Dendritic Quartz Gacha (Includes 1 Copper Rutile in Quartz) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_fe736b42-aa9a-43cd-a50b-5c83289024ea.png?v=1757203501&width=2000)
Diamond loose sorting transition fee
Sale price¥3,000
![[Option] Paraiba Tourmaline component analysis sorting issuance fee](http://store.karatz.jp/cdn/shop/products/P6062508_58dd99d0-190a-4656-98c6-53c5ff54428e.jpg?v=1680959036&width=4000)
[Option] Paraiba Tourmaline component analysis sorting issuance fee
Sale price¥5,000
![[Available at 10 PM on September 28th] [Limited to 16 stones] Loose tourmaline gacha featuring special cuts including Sakura in cut (from Congo) and Dandelion cut (from Brazil) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/6_ec410839-be94-4f88-8ee8-2aecc42a03a1.png?v=1758170824&width=1500)
![[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 September 20th] Limited to 20 stones: Russian Demantoid Garnet (Round Cut, 2.0mm) Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010340_32f4e447-1f0f-4beb-865b-16a913ef2777.jpg?v=1758173969&width=4000)
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥18,800
Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm)
Sale price¥188,000
![[Option] Paraiba tourmaline analysis report attached identification certificate issuance fee](http://store.karatz.jp/cdn/shop/products/f763614f5a2c22bc430c_a6f4f3a6-fd1b-4378-a11f-025dc9964731.jpg?v=1633481198&width=4000)
![[On sale at 10 PM on September 29th] [Limited to 14 stones] Brazilian Dendritic Quartz Loose Stone (Average 7 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010182_dba92f7a-563c-4cb3-8248-3f75fd0cdc47.jpg?v=1759117806&width=4000)
![[On sale from 10/3 at 10 PM] [Limited to 9 stones] Tanzanite loose stone from Tanzania (5x7mm, oval cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010262_29e03c94-ed12-4e3a-ab52-597ab956c1da.jpg?v=1759117281&width=4000)
[Koshu precious stone Kiriko plusthree] Swiss blue topaz 26.821ct loose
Sale price¥59,800
[Posted in 12547848] Green tourmaline 0.869ct loose
Sale price¥15,800
[12547847 published] Bicolor tourmaline 0.398ct loose
Sale price¥8,800
[12547844 published] Pink tourmaline 0.605ct loose
Sale price¥8,800
[Posted 12547829] Brazilian Dumortierite in Quartz 0.975ct loose
Sale price¥9,800
[Posted 12546182] Triplite 0.231ct loose
Sale price¥12,800
Pink zoisite from Tanzania 6.7mm/1.393ct loose (peach tanzanite)
Sale price¥128,000
Brazilian Paraiba tourmaline 0.370ct loose (CuO:1.0%, MnO:1.2%)
Sale price¥59,800
Paraiba tourmaline from Mozambique 0.266ct loose
Sale price¥25,800
Bicolor tanzanite 1.165ct rough stone from Tanzania
Sale price¥7,980
Bicolor tanzanite 1.121ct rough stone from Tanzania
Sale price¥6,980
Bicolor tanzanite 0.492ct raw stone from Tanzania
Sale price¥6,980
Bicolor tourmaline 0.418ct loose
Sale price¥3,980
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.