![[Item 12564511] Russian Alexandrite 0.103ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_8950e635-7458-4b04-8032-290eff4c3e36.png?v=1790680066&width=2000)
[Item 12564511] Russian Alexandrite 0.103ct Loose Stone
Sale price¥128,000
![[Deadline: Mon, 9/14, 10:00 AM: Lottery Sale_07] Madagascar Royal Blue Sapphire 4.0mm/0.377ct Loose Stone with Identification Report](http://store.karatz.jp/cdn/shop/files/P9014220_5d47f0c0-ec60-46bc-8c5d-336a6fd9bdb7.jpg?v=1790686912&width=3253)
[Item 12564367] Unheated Sri Lankan Purple Sapphire 0.870ct Loose Stone GIA
Sale price¥128,000
![[Deadline: Sat, Sep 5, 10:00 AM: Lottery Sale_09] Sri Lankan Unheated Color-Change Sapphire 1.170ct Loose Stone, GIA certified](http://store.karatz.jp/cdn/shop/files/P8190474_85f15fc6-334e-4507-a1a6-912d7be55dbc.jpg?v=1790680531&width=2995)
Brazilian green tourmaline loose stone 0.146ct
Sale price¥14,800
![[Item 12561581] Tanzanian Almandine Garnet 1.210ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9171356_6d67c41a-a086-45ef-9588-d7d4a6ea0de5.jpg?v=1790573562&width=2995)
[Item 12561581] Tanzanian Almandine Garnet 1.210ct Loose Stone
Sale price¥18,800
【12564324 listed】Burmese Red Spinel 0.210ct Loose Stone
Sale price¥18,800
![[Item 12561430] Unheated Pigeon Blood Ruby 0.510ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9171368_72c4d9eb-78d7-436e-8ba8-cb741e9ffb3d.jpg?v=1790573248&width=2394)
[Item 12561430] Unheated Pigeon Blood Ruby 0.510ct Loose Stone
Sale price¥89,800
![[Item 12564454] Brazilian Elestial Amethyst 3.684ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9240725.jpg?v=1790303219&width=4000)
[Item 12564454] Brazilian Elestial Amethyst 3.684ct Loose Stone
Sale price¥8,800
![[Item 12564452] Ametrine 4.815ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9240634.jpg?v=1790303093&width=4000)
[Item 12564452] Ametrine 4.815ct Loose Stone
Sale price¥12,800
![[Item 12564422] Jeremejevite from Namibia, 0.061ct loose stone](http://store.karatz.jp/cdn/shop/files/P9149826_6233574d-56e3-4dab-930c-b690dc00d0f2.jpg?v=1790573964&width=3089)
[Item 12564422] Jeremejevite from Namibia, 0.061ct loose stone
Sale price¥15,800
[Item No. 12564460] Nepal Kyanite 1.216ct Loose Gemstone
Sale price¥15,800
Malawi Moonstone (Malawi Moonstone) 1.388ct Loose Stone
Sale price¥8,800
![[Listing 22602762] [Colorify] Pt900 Alexandrite 0.15ct, Diamond 0.08ct Pendant Top (Necklace Top) with Appraisal Report](http://store.karatz.jp/cdn/shop/files/collage_aa865b67-a255-44f2-947b-0d55c43f0650.png?v=1790602153&width=2000)
![[Item No. 22602766] [Colorful] Pt900 1ct Diamond Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9140329.jpg?v=1789531021&width=4000)
[Item No. 22602766] [Colorful] Pt900 1ct Diamond Ring with Appraisal Report
Sale price¥128,000
![[Item 22602768] [Color-Full] K18 0.35ct Diamond Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9150423_9c95bd1a-2123-44df-9d6a-d2454e0e96f7.jpg?v=1790602949&width=2940)
[Item 22602768] [Color-Full] K18 0.35ct Diamond Ring with Appraisal Report
Sale price¥128,000
Royal Blue Sapphire 0.530ct Loose Stone
Sale price¥69,800
[Listed 12564447] Teal Blue Sapphire 0.555ct Loose Stone
Sale price¥19,800
![[Item 12564301] Phenakite loose stone from Malyshevo, Russia, 0.428ct](http://store.karatz.jp/cdn/shop/files/P9110971_2588b3e5-bb24-4902-a5c8-3cabe4634652.jpg?v=1790603856&width=4000)
[Item 12564301] Phenakite loose stone from Malyshevo, Russia, 0.428ct
Sale price¥14,800
![[Item 12564363] Bi-color Euclase from Zimbabwe, 0.100ct loose stone](http://store.karatz.jp/cdn/shop/files/P9090511_6c543b34-4352-4bfa-aa38-0ce6f2cf1c84.jpg?v=1790603923&width=3082)
[Item 12564363] Bi-color Euclase from Zimbabwe, 0.100ct loose stone
Sale price¥19,800
![[Item 12564253] Sri Lankan Green Zircon 0.424ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P9080920.jpg?v=1789524088&width=4000)
[Item 12564253] Sri Lankan Green Zircon 0.424ct Loose Gemstone
Sale price¥8,800
![[Item 12564344] Cinnabar from Hunan Province, China, 0.646ct loose stone](http://store.karatz.jp/cdn/shop/files/P9080457.jpg?v=1789523500&width=4000)
[Item 12564344] Cinnabar from Hunan Province, China, 0.646ct loose stone
Sale price¥18,800
![[Item 12564343] Cinnabar from Hunan, China, 0.577ct loose gemstone](http://store.karatz.jp/cdn/shop/files/P9080405.jpg?v=1789523429&width=4000)
[Item 12564343] Cinnabar from Hunan, China, 0.577ct loose gemstone
Sale price¥15,800
![[12550563] Aquamarine 0.424ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P9170416_397f9a13-0180-4b25-b7f4-1587da435415.jpg?v=1790548721&width=2495)
[12550563] Aquamarine 0.424ct Loose Gemstone
Sale price¥7,980
![[Item 22602770] K18 Imperial Topaz Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9150519_ffae7013-3f0d-4fdb-8f9f-5eb90aa529ac.jpg?v=1790385052&width=2808)
[Item 22602770] K18 Imperial Topaz Ring with Appraisal Report
Sale price¥128,000
![[Item #22602735] [Colorifi] Pt900 Ice Blue Diamond (Treated) 0.24ct Diamond Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P8250622_1.jpg?v=1790468757&width=2909)
![[Item 22602816] [Colorify] 18K White Gold Brazilian Alexandrite 0.3ct and Diamond 0.15ct Pendant Top (Necklace Top) with Identification Report](http://store.karatz.jp/cdn/shop/files/collage_8f046476-0baf-4d8c-85e5-c5191a034f5b.png?v=1790384579&width=2000)
![[Item No. 22602776] [Colorify] K18WG Synthetic Alexandrite 3ct, Diamond 0.12ct Pendant Top (Necklace Top) with Appraisal Report](http://store.karatz.jp/cdn/shop/files/collage_34da1274-798c-43e8-8f6f-f24bf2453003.png?v=1790384145&width=2000)
![[Item 22602774] [Color-Full] K18WG 0.5ct Diamond Pendant Top (Necklace Top) with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9150979_f68cd6ee-1b43-48e4-869e-e1b048b3c891.jpg?v=1790383542&width=3197)
![[Item No. 22602792] [Colorify] Pt900 Spinel 0.35ct / Diamond 0.09ct Pendant Top (Necklace Top) with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9030056_6105baad-c7e9-4dce-a79d-7a2bc0fcad87.jpg?v=1790468168&width=4000)
[Available 9/27 at 10 PM] Oregon Sunstone 3.492ct Loose Gemstone
Sale price¥55,800
[9/27 10:00 PM Release] Colombian Emerald 0.079ct Loose Stone
Sale price¥8,800
[9/27 10 PM Sale] Colombian Emerald 0.148ct Loose Stone
Sale price¥29,800
Brazilian Bicolor Topaz 1.932ct Loose Stone
Sale price¥19,800
[12545339] Sphene from Madagascar, 0.625ct loose stone
Sale price¥15,800
Indian Moonstone 2.791ct Loose Stone
Sale price¥12,800
[Item 12552467] Sky Blue Topaz 0.830ct Loose Gemstone
Sale price¥12,800
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.