Scapolite 1.780ct loose stone
Sale price¥9,800
Pink spinel 0.290ct loose
Sale price¥5,980
Purple spinel 0.210ct loose
Sale price¥3,980
Lavender spinel 0.160ct loose
Sale price¥3,980
[Sold at 10pm on September 15th] Blue sapphire 0.591ct loose stone
Sale price¥9,800
![[On Sale 10/12 at 10 PM] [Limited to 10 stones] Unheated Sapphire (3.5mm, Round Cut) from Theppanawa Mine, Sri Lanka (Loose) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010241_49ec9216-bd5d-41c2-9668-80fa58ec339c.jpg?v=1757669072&width=4000)
0.276ct loose hot pink spinel from Myanmar
Sale price¥19,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥59,800
Spinel 0.545ct loose (rose cut)
Sale price¥6,980
Purple spinel 0.424ct loose (rose cut)
Sale price¥6,980
Bangkacha sapphire (star sapphire) 69.655ct loose
Sale price¥148,000
Pink zircon 0.930ct loose
Sale price¥8,800
Afghanistan Clinozoisite 1.810ct Loose Stone (Phantom Cut)
Sale price¥8,800
[On sale at 10pm on September 18th] 1.476ct loose sphalerite from Spain
Sale price¥29,800
[Sold at 10 PM on September 19th] Blue Sapphire 4.0mm/0.314ct Loose
Sale price¥112,800
![[On sale at 10 PM on September 6th] Limited to 8 stones: Kite cut loose stone (Illusion Sunstone, Sapphire, Emerald, Spessartine Garnet, etc.) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_8c850970-c583-472d-8dd5-c539c04f5dbb.png?v=1756979760&width=2000)
![[Available at 10 PM on September 6th] Limited to 4 stones: One loose pink sapphire (pear shape) from Madagascar [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_e2884259-69c4-4a1e-8a04-94b7e0aa4d98.png?v=1756979238&width=2000)
![[On sale September 6th at 10 PM] [Limited to 7 stones] Madagascar sapphire, 1 loose stone (long hexagonal cut, approximately 5 x 3 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010164.jpg?v=1756867626&width=4000)
![[On Sale at 10 PM on September 5th] Pt950 Myanmar Gray Spinel (Platinum Spinel) 5.5mm/0.685ct Black Diamond Ring](http://store.karatz.jp/cdn/shop/files/collage_9d2c63d9-eb14-4afd-9368-cacc817cec80.png?v=1756858734&width=2000)
Star spinel 1.210ct loose
Sale price¥15,800
Oligoclase Sunstone 26.660ct rough stone
Sale price¥15,800
Bicolor Sphene 4.50ct loose
Sale price¥258,000
Bicolor spinel 1.040ct loose (gray/purple)
Sale price¥69,800
![[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 6th] [Limited to 6 stones] 1 loose unheated sapphire from Sri Lanka (average 0.77 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010228_5399409f-afc5-4b03-b9cb-686160deb62e.jpg?v=1756866456&width=4000)
[Sold at 10 PM on September 5th] Pink sapphire 0.179ct loose stone
Sale price¥6,980
![[On sale at 10pm on October 20th] Pink sapphire 0.115ct loose stone](http://store.karatz.jp/cdn/shop/files/P8255621_463d483c-cdd2-4585-9677-215bae74f400.jpg?v=1760826645&width=2994)
[On sale at 10pm on October 20th] Pink sapphire 0.115ct loose stone
Sale price¥6,980
[On sale at 10pm on October 20th] 0.295ct loose blue sapphire
Sale price¥7,980
![[On sale from 10/20 at 10pm] 0.333ct loose sapphire](http://store.karatz.jp/cdn/shop/files/P8255095_7d63661f-ec88-4c7d-a133-3a2c3f224506.jpg?v=1760826646&width=4000)
[On sale from 10/20 at 10pm] 0.333ct loose sapphire
Sale price¥8,800
Cambodian Zircon 1.860ct Loose
Sale price¥12,800
Oregon Sunstone 2.120ct loose
Sale price¥25,800
Bicolor sapphire 0.856ct loose
Sale price¥18,800
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
Purple sapphire 0.313ct loose
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.