New Arrivals & Updates on 9/3 (Wed)
【9/16 22時販売】スリランカ産サファリン 0.116ctルース 鑑別書
Sale price¥25,800
【9/16 22時販売】ブラジル産インディゴライトトルマリン 4.0mm/0.240ctルース 鑑別書
Sale price¥29,800
【9/16 22時販売】ブラジル産デュモルチェライトインクォーツ 4.467ctルース
Sale price¥15,800
【9/16 22時販売】【猫カット(豹柄）】琥珀 0.906ctルース
Sale price¥9,800
[Published on 12560233] Blue sapphire 1.141ct loose stone
Sale price¥25,800
![[12560236] Blue sapphire 0.417ct loose stone](http://store.karatz.jp/cdn/shop/files/P8255523_77f5dfad-cf60-41a8-8c6b-f0dc28ff424d.jpg?v=1757896870&width=3075)
[12560236] Blue sapphire 0.417ct loose stone
Sale price¥9,800
![[12560241] Pink sapphire 0.145ct loose stone](http://store.karatz.jp/cdn/shop/files/P8255717_42b384b3-6c7b-4fe9-b981-bd272ba49b48.jpg?v=1757896870&width=3130)
[12560241] Pink sapphire 0.145ct loose stone
Sale price¥6,980
【9/17 22時販売】マダガスカル産ブルーサファイア 0.244ctルース
Sale price¥8,800
[12556659] Oligoclase Sunstone 6.432ct Loose Stone
Sale price¥25,800
【9/15 22時販売】《限定11石》ベトナム産シルキーピンクサファイア1石ルース（2.0-2.5mm,インクル多め）《複数購入割引有》
Sale price¥3,980
![[12560195] American Peridot 0.408ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8083840_cdc67d99-d6ba-48ce-bdbb-e4cd38b8eed5.jpg?v=1757725346&width=3041)
[12560195] American Peridot 0.408ct Loose Stone
Sale price¥6,980
【9/15 22時販売】【さくらインカット】メキシコ産オパール 9mm/1.532ctルース
Sale price¥45,800
【9/15 22時販売】タンザニア産ドラゴンガーネット 0.977ctルース
Sale price¥27,800
![[12560192] American Peridot 0.376ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8083708_29811ebf-a491-487b-99a6-7bd63725243e.jpg?v=1757725346&width=2550)
[12560192] American Peridot 0.376ct Loose Stone
Sale price¥6,980
[Cat cut] Blue green tourmaline 5.5mm loose
Sale price¥8,800
【9/15 22時販売】ブルーサファイア 0.591ctルース
Sale price¥9,800
Spinel 0.545ct loose (rose cut)
Sale price¥6,980
Russian demantoid garnet (horsetail recognized) 5.8mm/0.876ct loose
Sale price¥258,000
Purple spinel 0.424ct loose (rose cut)
Sale price¥6,980
Spinel 0.705ct loose (rose cut)
Sale price¥6,980
Pigeon Blood Ruby 0.590ct Loose AIGS
Sale price¥55,800
Pink tourmaline 0.391ct loose
Sale price¥4,980
Brazilian Blue Topaz 14.890ct Loose
Sale price¥12,800
Fire opal 1.360ct loose
Sale price¥9,800
【9/14 22時販売】タンザニア産ロードライトガーネット 0.801ctルース
Sale price¥9,800
【9/14 22時販売】奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 0.321ctルース（ローズカット）
Sale price¥8,800
【9/14 22時販売】ブラジル産グリーン・スポジュメン 2.029ctルース
Sale price¥12,800
【9/14 22時販売】ブラジル産インペリアルトパーズ 0.563ctルース
Sale price¥15,800
【9/14 22時販売】タンザニア産サンストーン 1.599ctルース
Sale price¥9,800
Mexican Hyalite Opal 0.652ct Loose
Sale price¥25,800
【9/13 22時販売】《限定12石》中国産シンシャ・辰砂1石ルース（全石鑑別書付き,平均1.10ct）1石ルース《複数購入割引有》
Sale price¥22,800
【9/13 22時販売】【さくらシェイプ】シベリアンブルークォーツ（合成クォーツ） 1.171ctルース
Sale price¥39,800
List of new arrivals
Particolor tourmaline 24.147ct loose
Sale price¥49,800
Emerald 15.219ct loose Japanese-German book
Sale price¥298,000
Kunzite Cat's Eye 25.941ct Loose
Sale price¥25,800
Aragonite 2.088ct loose Japanese-German book
Sale price¥25,800
Yellow diamond 2.8mm/0.102ct loose (TLC/VS class equivalent)
Sale price¥9,800
Bicolor Sphene 4.50ct loose
Sale price¥258,000
[Koshu Precious Stone Kiriko] Bicolor Fluorite 6.980ct Loose with Patch
Sale price¥59,800
Red beryl 0.310ct loose
Sale price¥39,800
[Sakura Incut] Moonstone 11mm loose with patch
Sale price¥29,800
Conch pearl 2.018ct loose (with flame pattern)
Sale price¥39,800
Colombian Euclase 548.00ct rough stone
Sale price¥198,000
Kunzite 50.260ct loose
Sale price¥188,000
Tanzanite 4.940ct rough stone
Sale price¥3,980
Kunzite 37.35ct loose
Sale price¥55,800
Bicolor spinel 1.040ct loose (gray/purple)
Sale price¥69,800
[Dandelion Cut] London Blue Topaz 6.570ct Loose with Patch
Sale price¥55,800
![[Dandelion cut] Morganite 7mm/1.02ct loose with patch](http://store.karatz.jp/cdn/shop/files/102ct-439651.jpg?v=1756849922&width=1200)
[Dandelion cut] Morganite 7mm/1.02ct loose with patch
Sale price¥49,800
[Sakura Incut] Ametrine 9.740ct loose with patch
Sale price¥59,800
White topaz 3.780ct loose
Sale price¥9,800
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥128,000
Bicolor Benitoite 0.067ct loose
Sale price¥25,800
![[On Sale] Limited to 15 Stones: Spinel & Friends Gacha - Musgravite, Taaffeite, Cobalt Garnite, and more. Bonus: 1 Platinum Spinel. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/collage_f5f33dc5-5eb0-473e-95ea-b3a1eaca4e19.png?v=1757146047&width=2000)
![[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 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)
![[On sale at 10 PM on September 5th] [Limited to 6 stones] Tanzanian Bicolor Grossular Garnet (1 loose stone, average 0.55 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010132.jpg?v=1756866630&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 31st] [Limited to 9 stones] Brazilian Rainbow Aquamarine Loose Stone (Average 1.0 carat, Pear Sheep Cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_a4d9bef3-5745-4730-8adf-5950e9068581.png?v=1756459860&width=2000)
![[Available at 10 PM on August 30th] Limited to 10 stones: Madagascar Sapphirine (Sapphirine) Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010321_de80d97b-aaa8-4f57-b4f7-655e79ff8b8e.jpg?v=1755939478&width=4000)
[12560287] 1.058ct Brazilian Elestial Amethyst Loose Stone
Sale price¥9,800
[12560281] Brazilian Elestial Amethyst 0.482ct Loose Stone
Sale price¥4,980
[12560280] 2.101ct Elestial Amethyst Loose Stone from Brazil
Sale price¥14,800
[12560279] Brazilian Elestial Amethyst 0.850ct Loose
Sale price¥8,800
[12560278] Brazilian Elestial Amethyst 1.008ct Loose Stone
Sale price¥8,800
《Products eligible for multiple purchase discount》
【9/13 22時販売】《限定12石》中国産シンシャ・辰砂1石ルース（全石鑑別書付き,平均1.10ct）1石ルース《複数購入割引有》
Sale price¥22,800
【9/5 22時販売】《限定7石》ロシア産ノンオイルエメラルド1石ルース(1.6-1.7ｍｍ,プリンセスカット)《複数購入割引有》
Sale price¥9,800
【9/6 22時販売】《限定4石》マダガスカル産ピンクサファイア1石ルース(ペアシェイプ)《複数購入割引有》
Sale price¥5,980
![[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 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)
![[On sale at 10 PM on September 5th] Limited to 4 stones: One loose Russian demantoid garnet (oval cut, approximately 3 x 2 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/S__218431492_56620792-286c-4261-91b5-7c3159b666aa.jpg?v=1756867553&width=1280)
![[Available at 10 PM on August 27th] [Limited to 7 stones] Brazilian Limonite in Quartz (1 loose stone, average 6 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_10790d8c-055f-404e-b91b-4dc8a6f1ff16.png?v=1756029326&width=2000)
![[Available at 10 PM on August 24th] [Limited to 4 stones] Brazilian Blue Topaz Cat's Eye Loose Stone (7.0-7.5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_8bfa0fdf-e296-4b88-babb-a01dd576199f.png?v=1755995326&width=2000)
![[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 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)
【9/15 22時販売】《限定11石》ベトナム産シルキーピンクサファイア1石ルース（2.0-2.5mm,インクル多め）《複数購入割引有》
Sale price¥3,980
Search by category
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 publishes "Gemstone Encyclopedia"
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.