Blue topaz

Topaz is the birthstone for November and has a blue color. Natural blue topaz with a deep color is very rare, and those on the market are mainly irradiated. Depending on the shade of color, it can be divided into three types: sky blue, Swiss blue, and London blue.

Karatz GemMagazine
" Blue topaz "

【8/24 22時販売】《限定4石》ブラジル産ブルートパーズキャッツアイ1石ルース（7.0-7.5mm）《複数購入割引有》 Sale price¥5,980

[8/12 22:00 Sale] Brazilian London Blue Topaz 0.429ct Loose Sale price¥6,980

[8/13 22:00 Sale] Brazilian London Blue Topaz 0.389ct Loose Sale price¥6,980

[8/12 22:00 Sale] Brazilian London Blue Topaz 0.579ct Loose Sale price¥6,980

【甲州貴石切子】《月型切子》】ブルートパーズ 33.591ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》]Blue Topaz 33.591ct《Collaboration》Loose with emblem Sale price¥59,800

【甲州貴石切子】《月型切子》スイスブルートパーズ 27.829ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》Swiss Blue Topaz 27.829ct《Collaboration》Loose with emblem Sale price¥59,800

[On Sale at 10 PM on August 15th] Brazilian London Blue Topaz 0.429ct Loose Sale price¥6,980

[On Sale at 10 PM on August 15th] Brazilian London Blue Topaz 0.321ct Loose Sale price¥5,980

On sale from 10 PM on Saturday, August 16th: "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Ginoza Nobuchika Model] with London Blue Topaz Sale priceFrom ¥25,800

Sky blue topaz 1 stone (10mm, flower cut)《Discount available for multiple purchases》 Sale price¥5,980

Brazilian London Blue Topaz 1 Stone Loose (6mm, Round Cut) {Multiple Purchase Discounts Available} Sale price¥2,980

Limited to 8 stones: Swiss blue topaz (4mm, rose cut) 1 loose stone. Discounts available for multiple purchases. Sale price¥3,980

[Koshu precious stone Kiriko plusthree] Swiss blue topaz 26.821ct loose Sale price¥59,800

1 sky blue topaz stone (10mm, flower cut)《Discount available for multiple purchases》 Sale price¥4,980

【甲州貴石切子plusthree】ロンドンブルートパーズ 2.461ct《コラボ》ルース《暁》ワッペン付

[Koshu Precious Stones Plusthree] Brazilian London Blue Topaz 2.461ct Loose Sale price¥25,800

Brazilian Swiss Blue Topaz 1.062ct Loose Stone Sale price¥9,800

Brazilian Swiss Blue Topaz 1.090ct Loose Sale price¥9,800

Brazilian Swiss Blue Topaz 1.179ct Loose Stone Sale price¥8,800

Brazilian Swiss Blue Topaz 0.957ct Loose Stone Sale price¥8,800

Brazilian Swiss Blue Topaz 0.827ct Loose Stone Sale price¥8,800

Brazilian Swiss Blue Topaz 0.889ct Loose Stone Sale price¥8,800

Brazilian Swiss Blue Topaz 0.890ct Loose Sale price¥8,800

Brazilian Swiss Blue Topaz 1.193ct Loose Sale price¥9,800

Brazilian Swiss Blue Topaz 1.042ct Loose Stone Sale price¥9,800

Brazilian Swiss Blue Topaz 0.983ct Loose Stone Sale price¥8,800

Brazilian Swiss Blue Topaz 1.395ct Loose Sale price¥8,800

Brazilian Swiss Blue Topaz 0.724ct Loose Stone Sale price¥8,800

Brazilian Swiss Blue Topaz 1.043ct Loose Stone Sale price¥8,800

Brazilian Blue Topaz 1.355ct Loose Sale price¥8,800

Brazilian Blue Topaz 0.766ct Loose Stone Sale price¥6,980

Brazilian Sky Blue Topaz 1.086ct Loose Sale price¥8,800

Brazilian Sky Blue Topaz (untreated) 2.560ct loose stone Sale price¥12,800

[Koshu Precious Stone Cutting] Brazilian Sky Blue Topaz 10.60ct Loose Stone [Collaboration] Patch Sale price¥49,800

[On sale from 22:00 on 5/5] Pt950 Brazilian Swiss Blue Topaz 0.756ct Aquamarine Ring Sale price¥79,800

【さくらインカット】ブルートパーズ 15.640ctルース - カラッツSTORE

Sakura Incut Brazilian Blue Topaz 16mm/15.640ct {Collaboration} Loose Patch Sale price¥39,800

Brazilian London Blue Topaz 0.985ct Loose Sale price¥8,800

Brazilian London Blue Topaz 0.966ct Loose Stone Sale price¥8,800

Brazilian Sky Blue Topaz 1.256ct Loose Stone Sale price¥8,800

Brazilian Swiss Blue Topaz 6.4mm/1.225ct Loose Stone Sale price¥9,800

【甲州貴石切子《桜切子》】ブラジル産スカイブルートパーズ 8.169ctルースワッペン

[Koshu Precious Stone Cutting "Sakura Cutting"] Brazilian Sky Blue Topaz 8.169ct Loose Patch Sale price¥55,800

Brazilian Swiss Blue Topaz 17.410ct Loose Sale price¥27,800

Brazilian Swiss Blue Topaz 11.536ct Loose Sale price¥14,800

Brazilian Swiss Blue Topaz 10.958ct Loose Sale price¥14,800

[Sakura Incut] Brazilian Blue Topaz 16mm/15.329ct Loose Patch Sale price¥39,800

Brazilian Sky Blue Topaz (untreated) 2.013ct loose stone Sale price¥12,800

Brazilian Sky Blue Topaz (untreated) 3.085ct loose stone Sale price¥19,800

Brazilian Sky Blue Topaz (untreated) 0.968ct loose stone Sale price¥12,800

Brazilian Sky Blue Topaz (untreated) 1.470ct loose stone Sale price¥12,800

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.

KARATZ・Five Commitments

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.