¥50,000 - ¥100,000

Grandidierite from Madagascar 0.278ct loose stone Sale price¥98,000

Myanmar Taaffeite 6.9mm/1.408ct loose stone Sale price¥98,000

Unheated Padparadscha Sapphire from Madagascar 0.250ct Loose Sale price¥55,800

《Yurakucho Marui 2024112 takeout》Pakistani lazurite (blue sapphire) 0.375ct loose stone Sale price¥59,800

Sri Lankan Star Sapphire 5.225ct Loose Sale price¥98,000

Pink diamond 0.072ct loose (FANCY DEEP PURPLE PINK, I1) Sale price¥69,800

非加熱ブラジル産パライバトルマリン 0.067ctルース（CuO:1.4%、MnO:2.4%）

Unheated Brazilian Paraiba Tourmaline 0.067ct loose stone (CuO: 1.4%, MnO: 2.4%) Sale price¥59,800

K18YG Alexandrite Cat's Eye 0.515ct Alexandrite Ring Sale price¥69,800

Unheated Brazilian Paraiba Tourmaline 0.071ct loose stone (CuO: 2.1%, MnO: 2.2%) Sale price¥59,800

【さくらシェイプ】カンボジア産ブルージルコン 8mm/2.909ct《コラボ》ルースワッペン

[Sakura Shape] Cambodian Blue Zircon 8mm/2.909ct {Collaboration} Loose Patch Sale price¥59,800

[Sakura Shape] Tanzanite from Tanzania 6mm/0.889ct {Collaboration} Loose Patch Sale price¥59,800

Brazilian Paraiba Tourmaline 0.200ct loose stone (CuO: 1.7%, MnO: 2.8%) Sale price¥98,000

Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror Sale price¥98,000

Canadian Catapleite 0.421ct Loose Stone, Japan-Germany Mirror Sale price¥69,800

非加熱ブラジル産パライバトルマリン 0.051ctルース（CuO:2.0%、MnO:2.3%）

[On sale at 10pm on 7/27] Unheated Brazilian Paraiba Tourmaline 0.051ct loose stone (CuO: 2.0%, MnO: 2.3%) Sale price¥55,800

非加熱ブラジル産パライバトルマリン 0.079ctルース（CuO:1.8%、MnO:2.6%）

Unheated Brazilian Paraiba Tourmaline 0.079ct loose stone (CuO: 1.8%, MnO: 2.6%) Sale price¥69,800

Pigeon Blood Ruby 0.44ct Ruby AIGS Sale price¥55,800

Pigeon Blood Ruby 0.38ct Loose AIGS Sale price¥59,800

非加熱ブラジル産パライバトルマリン 0.078ctルース（CuO:1.9%、MnO:2.2%）

Unheated Brazilian Paraiba Tourmaline 0.078ct loose stone (CuO: 1.9%, MnO: 2.2%) Sale price¥79,800

Colombian emerald 0.261ct loose stone Sale price¥59,800

Unheated Padparadscha Sapphire 0.520ct Loose GIA Sale price¥98,000

South African Rhodochrosite 0.939ct Loose Stone by Nikkei Sale price¥79,800

Brazilian Indigolite Tourmaline 1.514ct Loose Stone, Japan-Germany Exchange Sale price¥59,800

Namibian Dioptase 0.134ct Loose Stone, Japan-Germany Mirror Sale price¥59,800

Brazilian parti-color Paraiba tourmaline 0.136ct loose stone (CuO: 2.0%, MnO: 1.3%) Sale price¥79,800

Tasmanian Crocoite 0.292ct Loose Stone, Japan-Germany Exchange Sale price¥98,000

[Koshu Precious Stone Cut] Scololite 6.039ct Loose Stone Patch Sale price¥69,800

【クローバーインカット】コロンビア産ミントカラーエメラルド 8mm/1.576ct《コラボ》ルース　ワッペン

[Clover in cut] Colombian mint color emerald 8mm/1.576ct {Collaboration} Loose patch Sale price¥59,800

Pigeon Blood Ruby 0.40ct Loose AIGS Sale price¥59,800

【さくらインカット】パープルスピネル 7mm/1.262ct《コラボ》ルースワッペン日独鑑

[Sakura Incut] Purple Spinel 7mm/1.262ct {Collaboration} Loose Patch Nihon-Dokukan Sale price¥59,800

Purple zoisite from Tanzania 1.103ct loose Japanese German edition Sale price¥98,000

【さくらインカット】パープルスピネル 5.5mm/0.609ct《コラボ》ルースワッペン

[Sakura Incut] Purple Spinel 5.5mm/0.609ct {Collaboration} Loose Patch Sale price¥55,800

[Camellia Cut] Ametrine 12mm/5.411ct {Collaboration} Loose Stone Patch Sale price¥55,800

メキシコ産ファイアオパール 6.117ctルース (バイカラーファイアオパール)

Mexican Fire Opal 6.117ct Loose (Bicolor Fire Opal) Sale price¥98,000

【甲州貴石切子pluesthree】合成モアッサナイト 10mm/4.198ctルースワッペン

[Koshu Precious Stone Cutting Plusthree] Synthetic Moissanite 10mm/4.198ct Loose Patch Sale price¥69,800

【カメリアカット】オレゴンサンストーン 2.102ct《コラボ》ルース　ワッペン

[Camellia Cut] Oregon Sunstone 14mm/2.102ct {Collaboration} Loose Patch Sale price¥79,800

イエローダイヤモンド 4mm/0.261ctルース(LIGHT YELLOW, VS-2, VeryGood)（セミオーダーメイドセット）

[Staff Selection] Yellow Diamond 4mm/0.261ct Loose (LIGHT YELLOW, VS-2, Very Good) (Semi-Custom Made Set) Sale price¥59,800

Paraiba tourmaline, pink sapphire, opal, pink spinel 13 stone half eternity ring set (2.0mm) Sale price¥98,000

Royal Blue Sapphire 1.182ct Loose (Calfshead) AIGS Sale price¥98,000

モザンビーク産エルバイトトルマリン 1.371ctルース（CuO:0.2%,MnO:2.6%）

[On sale at 10pm on 10/25] Elbaite tourmaline from Mozambique, 1.371ct loose stone (CuO: 0.2%, MnO: 2.6%) Sale price¥59,800

Peridot 147.268ct loose stone Sale price¥59,800

【甲州貴石切子plusthree】メキシコ産ファイアオパール 4.633ctルース《コラボ》ワッペン

[Koshu Precious Stones plusthree] Mexican Fire Opal 4.633ct Loose Stone [Collaboration] Patch Sale price¥59,800

Australian black opal 3.242ct loose stone Sale price¥69,800

Australian black opal 3.322ct loose stone Sale price¥98,000

【甲州貴石切子plusthree】スイスブルートパーズ 21.690ctルース《コラボ》ワッペン

[Koshu Precious Stones plusthree] Swiss Blue Topaz 21.690ct Loose Stone [Collaboration] Patch Sale price¥69,800

【甲州貴石切子plusthree】メキシコ産ファイアオパール 3.056ctルース　ワッペン

[Koshu Precious Stones plusthree] Mexican Fire Opal 3.056ct Loose Stone [Collaboration] Patch Sale price¥69,800

【スターインカット】ライモナイトインクォーツ（オーロラクォーツ） 12mm/5.136ctルース《コラボ》ワッペン

[Star in cut] Limonite in quartz (Aurora quartz) 12mm/5.136ct loose stone {Collaboration} Patch Sale price¥55,800

KARATZ Custom Made

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

KARATZ・Five Commitments