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 "

【3/8 22時販売】ブラジル産ロンドンブルートパーズ 0.985ctルース Sale price¥8,800

【3/8 22時販売】ブラジル産ロンドンブルートパーズ 0.966ctルース Sale price¥8,800

【3/8 22時販売】ブラジル産ロンドンブルートパーズ 0.995ctルース Sale price¥8,800

【3/8 22時販売】ブラジル産スカイブルートパーズ 1.256ctルース Sale price¥8,800

【3/8 22時販売】ブラジル産ロンドンブルートパーズ 6.0mm/1.037ctルース Sale price¥9,800

【3/8 22時販売】ブラジル産スイスブルートパーズ 6.4mm/1.225ctルース Sale price¥9,800

【3/7 22時販売】【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 Sale price¥55,800

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

Swiss blue topaz 1 stone (9.5 x 8mm, special cut)《Multiple purchase discount available》 Sale price¥3,980

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

【甲州貴石切子】ロンドンブルートパーズ 10.514ct《コラボ》ルースワッペン付

[Koshu Precious Stone Kiriko] London Blue Topaz 10.514ct《Collaboration》Loose with emblem Sale price¥79,800

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

[On sale 2/9 at 10pm] Brazilian Swiss Blue Topaz 17.410ct Loose Sale price¥27,800

[On sale 2/9 at 10pm] Brazilian Swiss Blue Topaz 11.536ct Loose Sale price¥14,800

[On sale 2/9 at 10pm] 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) 0.771ct loose stone Sale price¥9,800

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

Brazilian Blue Topaz 2.912ct Loose Sale price¥12,800

Brazilian Swiss Blue Topaz 13.26ct Loose Sale price¥15,800

Brazilian Sky Blue Topaz 5.246ct Loose Stone Sale price¥18,800

Brazilian Sky Blue Topaz (untreated) 1.376ct loose stone Sale price¥12,800

Brazilian Sky Blue Topaz (untreated) 2.116ct loose stone Sale price¥15,800

Brazilian Sky Blue Topaz (untreated) 2.733ct loose stone Sale price¥15,800

[12553607] Swiss Blue Topaz 2.384ct Loose Sale price¥19,800

【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

Sky blue topaz 1.719ct loose stone Sale price¥9,800

Sky blue topaz 0.830ct loose stone Sale price¥6,980

Sky blue topaz 0.563ct loose stone Sale price¥5,980

Swiss Blue Topaz 0.930ct Loose Sale price¥8,800

Sky blue topaz 1.051ct loose stone Sale price¥9,800

【甲州貴石切子plusthree】スカイブルートパーズ 6mm/0.988ctルースワッペン付

[Koshu Precious Stones Plusthree] Sky Blue Topaz 6mm/0.988ct Loose Stone with Patch Sale price¥25,800

Sky blue topaz 10.967ct loose Sale price¥19,800

Sky blue topaz 5.595ct loose Sale price¥18,800

[Koshu Precious Stone Kiriko plusthree] Swiss Blue Topaz <Akatsuki> 4.529ct loose Sale price¥35,800

【甲州貴石切子plus three】スイスブルートパーズ＜彩＞ 4.842ctルース

[Koshu precious stone Kiriko plus three] Swiss blue topaz <Aya> 4.842ct loose Sale price¥35,800

Blue topaz 5mm/0.527ct loose Sale price¥3,980

Blue Topaz 5.1mm/0.511ct Loose Sale price¥4,980

Blue Topaz 4.5mm/0.422ct Loose Sale price¥3,980

【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 Stone Kiriko plusthree] London Blue Topaz 2.461ct《Collaboration》Ruth《Akatsuki》 Patch included Sale price¥29,800

【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¥79,800

【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¥79,800

Brazilian Blue Topaz 14.890ct Loose Sale price¥14,800

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.

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