![[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)
![[On sale at 10 PM on September 9th] Limited to 20 stones: Fire Opal Gacha, 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/7_cf8144ee-7ac5-4965-b93c-f9f618bb4cbf.png?v=1758172271&width=1500)
![[September 10 PM Sale] [Limited to 6 stones] Rainbow Garnet (Rose Cut, 3.0-5.5mm) Loose Stone from Tenkawa Village, Nara Prefecture [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/5_6da161f9-2525-4fc5-a277-9a7adb122a53.png?v=1758169841&width=4000)
![[On sale from 10 PM on September 21st] Limited to 14 stones: Diffused Heated Sapphire (3.5mm, KEN Cut) Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010016_abbaadd4-abc6-4f95-9926-76bbf33dc3a4.jpg?v=1758169059&width=4000)
Tanzanian Clinozoisite 0.950ct Loose Stone (Phantom Cut)
Sale price¥3,980
Tanzanian Clinozoisite 0.710ct Loose Stone (Phantom Cut)
Sale price¥3,980
Tanzanian Clinozoisite 0.560ct Loose Stone (Phantom Cut)
Sale price¥3,980
American fluorite 0.842ct loose stone
Sale price¥2,980
Purple spinel 0.210ct loose
Sale price¥3,980
Lavender spinel 0.160ct loose
Sale price¥3,980
![[Available at 10 PM on September 15th] Limited to 11 stones: One loose silky pink sapphire from Vietnam (2.0-2.5mm, heavy inclusions) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010309_f939fd9d-57ed-4420-a19a-23e3a82d54b6.jpg?v=1757670663&width=4000)
Pink tourmaline 0.391ct loose
Sale price¥4,980
![[On sale at 10 PM on September 13th] Limited to 8 stones: Mini Kite Cut Loose Stone (Includes 2 Paraiba Tourmalines, Green Beryl, Ruby, Peridot, etc.) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/2ce9f9727de9532a55237668af9f2b6d_9dbca62e-a627-41af-833b-5b9486008221.png?v=1757210739&width=4000)
![[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)
Fire Opal 2 Stone Pair 4mm/0.336ct Loose
Sale price¥3,980
Tanzanite 4.940ct rough stone
Sale price¥3,980
![[On sale at 10 PM on September 5th] [Limited to 3 stones] Brazilian Elestial Amethyst (1 loose stone, 3.5-3.9mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_a4907829-a1ef-40d2-ae34-572edef35c78.png?v=1756866168&width=2000)
![[On Sale at 10 PM on September 5th] [Limited to 6 stones] 1 Unheated Sri Lankan Sapphire Loose with Silk Inclusions (Average 0.31ct) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010278.jpg?v=1756866383&width=4000)
![[On sale at 10 PM on September 5th] Limited to 10 stones: One Saint-Jay cut amethyst (5.0-5.5mm, special cut round) loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010004_fc3d5eba-9590-4a99-adb5-34ab662d33d3.jpg?v=1756867308&width=4000)
![[Available at 10 PM on August 30th] Limited to 8 stones: One loose Brazilian rainbow aquamarine (average 0.9 carat, pear cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_9316de3e-a74f-47cf-b228-cb256a0050fc.png?v=1756458978&width=2000)
Purple sapphire 0.220ct loose
Sale price¥3,980
Purple sapphire 0.240ct loose
Sale price¥4,980
Sphene 0.590ct loose
Sale price¥3,980
Goethite in quartz 1.020ct loose
Sale price¥2,980
Rose quartz 15mm/10.950ct loose
Sale price¥3,980
Rose quartz 15mm/10.850ct loose
Sale price¥3,980
Sphane 4.3mm/0.275ct loose
Sale price¥3,980
Sphene 4.3mm/0.360ct loose
Sale price¥3,980
![[Available at 10 PM on August 24th] Limited to 12 stones: Madagascar Sapphirine (Sapphirine) Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010371_a123a6b4-46a8-4394-9eac-427d8a3707ec.jpg?v=1755996019&width=4000)
![[Available at 10 PM on August 23rd] [Limited to 8 stones] Brazilian Rainbow Aquamarine Loose Stone (Pear Shape) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_c2752ed8-4e3e-4837-9ef8-a02a86ef0a25.png?v=1755867372&width=2000)
![[Available at 10 PM on August 23rd] Limited to 3 stones: Indian Andesine and Labradorite (Rainbow Moonstone) Flower Carving, 6mm, 1 stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010023.jpg?v=1755868377&width=4000)
Fluorite 1.420ct loose stone
Sale price¥3,980
Hessonite Garnet 0.309ct Loose Stone
Sale price¥4,980
Brazilian citrine 1.337ct loose stone
Sale price¥3,980
![[Available at 10 PM on August 10th] Brazilian Rainbow Aquamarine Loose Stone (Iridescent Aquamarine) {Multiple Purchase Discounts Available}](http://store.karatz.jp/cdn/shop/files/collage22.10.05.png?v=1754699109&width=1000)
![[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 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)
Prehnite 0.818ct loose stone
Sale price¥3,980
Synthetic Moissanite 0.358ct loose stone
Sale price¥3,980
Synthetic Moissanite 0.491ct loose stone
Sale price¥4,980
Montana Sapphire 1.9mm/0.033ct loose
Sale price¥4,980
Labradorite 6mm/0.741ct loose (rose cut)
Sale price¥3,980
Brazilian rainbow scapolite 3mm/0.133ct loose (rose cut)
Sale price¥3,980
Andalusite from Sri Lanka 0.408ct loose
Sale price¥3,980
Andalusite from Sri Lanka 0.361ct 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.