Vertical: Above 10.0mm

[On sale 11/2 at 10pm] Brazilian Rubellite (Red Tourmaline) 3.844ct Loose Stone Sale price¥128,000

[On sale at 10pm on 10/24] Afghanistan Hackmanite 15.600ct rough stone Sale price¥8,800

《Yurakucho Marui 2024112 Takeout》【Yurakucho Marui 202411 Request Withdrawn】【10/24 22:00 Sale】Brazilian Romanesite in Quartz 4.331ct Loose Sale price¥9,800

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） 12.770ctルース

[On sale at 10pm on 10/22] 12.770ct loose Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture Sale price¥8,800

[On sale at 10pm on 10/21] Brazilian bicolor tourmaline 16.088ct loose stone (tricolor) Nikkei Sale price¥298,000

ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 4.807ctルース

[On sale from 10/20 at 10pm] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct loose stone Sale price¥15,800

【甲州貴石切子】ルチルクォーツ（ルチルレイテッドクォーツ） 12.860ctルース《コラボ》ワッペン

[On sale from 10/21 at 10pm] [Koshu Precious Stone Cut] Brazilian Rutile Quartz (Rutile-Rated Quartz) 12.860ct Loose Stone [Collaboration] Patch Sale price¥59,800

【甲州貴石切子】アフガニスタン産クンツァイト 4.630ctルース《コラボ》ワッペン

[On sale from 10/21 at 10pm] [Koshu Precious Stones Cut] Kunzite from Afghanistan 4.630ct loose stone [Collaboration] Patch Sale price¥49,800

【甲州貴石切子】ルチルクォーツ（ルチルレイテッドクォーツ） 2.270ctルースワッペン

[On sale from 10/21 at 10pm] [Koshu Precious Stones Cut] Brazilian Pink Amethyst 3.71ct Loose Irodori [Collaboration] Patch Sale price¥39,800

【甲州貴石切子】アフガニスタン産クンツァイト 7.040ctルース《コラボ》ワッペン

[On sale from 10/21 at 10pm] [Koshu Precious Stone Cutting] Kunzite from Afghanistan 7.040ct loose stone [Collaboration] patch Sale price¥49,800

[On sale at 10pm on 10/20] Colombian emerald 3.1mm/0.097ct loose stone Sale price¥22,800

[On sale at 10pm on 10/19] Oregon Sunstone from the USA 11mm/4.05ct loose stone (vortex cut) Sale price¥39,800

[On sale at 10pm on 10/19] Mexican Danburite 2.866ct loose stone (very light pink) Sale price¥9,800

[On sale at 10pm on 10/22] Argentine Inca Rose 5.022ct loose stone Sale price¥12,800

[On sale at 10pm on 10/22] Australian Opal 1.916ct Loose Sale price¥8,800

[On sale at 10pm on 10/22] Australian Opal 3.639ct Loose Sale price¥14,800

[On sale 11/2 at 10pm] Mexican Cantera Opal 5.647ct loose stone Sale price¥19,800

[On sale 11/2 at 10pm] Mexican Cantera Opal 2.809ct loose stone Sale price¥25,800

[12555409] Mexican Cantera Opal 3.280ct Loose Sale price¥9,800

[On sale at 10pm on 10/24] Mexican Cantera Opal 4.973ct loose stone Sale price¥15,800

[On sale 11/13 at 22:00] Mexican Cantera Opal 7.460ct Loose Sale price¥29,800

[On sale at 10pm on 10/18] Mexican Cantera Opal 2.219ct loose stone Sale price¥9,800

[On sale at 10pm on 10/18] Mexican Cantera Opal 1.534ct loose stone Sale price¥8,800

[On sale at 10pm on 10/18] Mexican Cantera Opal 4.542ct loose stone Sale price¥12,800

[On sale 10/23 22:00] Mexican Cantera Opal 11.105ct Loose Sale price¥12,800

Australian Shell Opal (Shell Opal) 51.801ct Rough Stone Sale price¥25,800

《Yurakucho Marui 2024112 takeout》【10/11 22:00 sale】Brazilian quartz in quartz 10.349ct loose stone Sale price¥15,800

[On sale 10/13 at 22:00] Brazilian bicolor tourmaline cat's eye 22.056ct loose stone Sale price¥198,000

[On sale at 10pm on 13/10] Brazilian Rubellite 3.022ct loose stone Sale price¥98,000

[On sale at 10pm on 14/10] Afghanistan Green Tourmaline 11.5mm/5.854ct Loose Sale price¥198,000

[On sale at 10pm on 14th October] 1.706ct loose rubellite from Mozambique Sale price¥39,800

ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 4.569ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.569ct loose Sale price¥12,800

[On sale at 10pm on 14/10] Australian Chrysoprase 11.3mm/5.280ct loose stone Sale price¥12,800

[On sale at 10pm on 12/10] Argentine Inca Rose 15.960ct loose stone Sale price¥12,800

[On sale at 10pm on 12/10] Argentine Inca Rose 20.650ct loose stone Sale price¥15,800

[On sale at 10pm on 12/10] Argentine Inca Rose 15.190ct loose stone Sale price¥12,800

[On sale 11/9 at 22:00] Tanzanian rhodolite garnet 10.608ct loose stone Sale price¥98,000

[On sale at 10pm on 15/10] Mozambique aquamarine 3.301ct loose stone Sale price¥59,800

[12555234] Brazilian Paraiba Tourmaline in Quartz 2.622ct Loose Stone Sale price¥49,800

[On sale at 10pm on November 9th] Brazilian Paraiba Tourmaline in Quartz 2.674ct loose stone Sale price¥54,800

[12555232] Brazilian Paraiba Tourmaline in Quartz 2.827ct Loose Stone Sale price¥49,800

[12555231] Brazilian Paraiba Tourmaline in Quartz 3.049ct Loose Stone Sale price¥49,800

[On sale at 10/14 22:00] Brazilian dendritic quartz 3.650ct loose stone Sale price¥5,980

[On sale at 10pm on 10/17] Brazilian Limonite in Topaz 3.399ct loose stone Sale price¥8,800

《Yurakucho Marui 2024112 takeout》Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct loose stone Sale price¥54,800

Brazilian Medusa Quartz (Paraiba Quartz) 2.089ct loose stone Sale price¥16,800

Indian Cavansite 1.717ct loose stone Sale price¥8,800

Synthetic Moissanite 12.5mm/6.579ct Loose Stone Sale price¥29,800

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