![[Jeweler's Tools] 3-piece set: Jewelry Loupe (14x magnification), Blue Diamond, and Pink Tourmaline or Sapphire](http://store.karatz.jp/cdn/shop/files/collage_bd83e868-fedf-4eb9-ab5d-dd5251559969.png?v=1788516975&width=2000)
【9/7 22時販売】《限定10石》ラタナキリブルージルコン・2.4ctローズカットなどが当たるブルージルコンガチャ《複数購入割引有》
Sale price¥3,980
![[On sale May 29th at 10 PM] "Checker x Sui" Koshu Kiseki Cut Mexican Fire Opal (usually 79,800 yen) Gacha with only 10 stones available. Win a Fire Opal (and receive one Contraluz!). [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P8200767.jpg?v=1787563557&width=4000)
![[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/collage_3d96f963-1f94-4b66-8bf1-1414be53a8fe.png?v=1788571431&width=2000)
【テスト】購入不可
Sale price¥100
【8/30 22時販売】《残り2石》コロンビア産エメラルド原石（平均0.25ct）《複数購入割引有》
Sale price¥7,980
![[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/collage_54f1201f-a7d6-499e-81e2-40cbbbfb1f86.png?v=1789795072&width=2000)
【9/19 22時販売】《限定26石》パキスタン産オイルインクォーツ《複数購入割引有》
Sale price¥1,580
【9/7 22時販売】《限定10石》鑑定書付きダイヤモンドが当たるダイヤモンドガチャ（全石VSクラス相当）《複数購入割引有》
Sale price¥3,980
【8/29 22時販売】《限定11石》コロンビア・ムゾー産エメラルド原石（平均0.20ct）《複数購入割引有》
Sale price¥5,980
【9/5 22時販売】《限定4石》ローズカットのターコイズ（訳ありサンジェ氏カット,最大12mm）《複数購入割引有》
Sale price¥2,980
![Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_1dfb1fff-9549-47b5-bbc8-60266f46a8a7.png?v=1788427815&width=2000)
【9/4 22時販売】《限定16石》コロンビア産エメラルド原石（平均0.35ct）《複数購入割引有》
Sale price¥5,980
![[On sale May 29th at 10 PM] "Checker x Sui" Koshu Kiseki Cut Mexican Fire Opal (usually 79,800 yen) Gacha with only 10 stones available. Win a Fire Opal (and receive one Contraluz!). [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P8200827.jpg?v=1787563629&width=4000)
【9/20 22時販売】《限定3石》ブラジル産モスグリーンベリルガチャ（平均0.8ct,ローズカット）《複数購入割引有》
Sale price¥2,980
【9/18 22時販売】《限定13石》アフガニスタン産アフガナイト1石ルース（平均2.0ct,カボションカット）《複数購入割引有》
Sale price¥2,980
![[On sale August 16th at 10 PM JST] Limited to 4 stones: Swiss Blue Topaz (Star of David/Hexagram Cut, approx. 8mm) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/collage_538f8612-0b8f-4695-9de5-c35b848960aa.png?v=1788921228&width=2000)
【9/12 22時販売】《限定16石》ブルートパーズ・サンジェ氏新作「ミルキーウェイスターカット」《複数購入割引有》
Sale price¥5,980
【9/5 22時販売】《限定3石》トップクオリティのアメリカ産ベニトアイト（プリンセスカット,2mm）《複数購入割引有》
Sale price¥12,800
【9/4 22時販売】《限定7石》コロンビア産ミントカラーエメラルド原石（平均0.51ct）《複数購入割引有》
Sale price¥6,980
【9/20 22時販売】《限定13石》マダガスカル産アパタイト原石１石（平均3.8ct）《複数購入割引有》
Sale price¥1,580
![[Calafri] K18 Blood Coral 9.9mm Diamond Pendant Top (Necklace Top) with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P5010184_2e0f4100-be3a-4e4e-8354-0fb58ddb3576.jpg?v=1789823540&width=3073)
【Calafuri】Pt900 Ice Blue Diamond (Treated) 1.00ct Ring
Sale price¥158,000
【9/22 22時販売】非加熱ピジョンブラッドルビー 0.310ctルース AIGS
Sale price¥49,800
【9/20 22時販売】【カラフリ】Pt950レッドベリル0.20ct・ダイヤモンド0.23ctリング鑑別書
Sale price¥98,000
【9/20 22時販売】【カラフリ】K18 アクアマリン 0.65ct・ダイヤモンド0.02ctリング 鑑別カード
Sale price¥89,800
【9/20 22時販売】【カラフリ】K18WG タンザナイト1.79ct・ダイヤモンド0.07ctペンダント（ネックレス）
Sale price¥98,000
【9/20 22時販売】【カラフリ】 K18WGダイヤモンド 0.09ct ト音記号モチーフ ペンダントトップ（ネックレストップ）
Sale price¥39,800
[Lottery Sale 0818_12] Loose 0.251ct Red Beryl (USA) with Certificate
Sale price¥98,000
[Posted on 12564085] Brazilian Spessartine Garnet 1.592ct Loose
Sale price¥39,800
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.