Login

opal

Opal is the birthstone for October. It is broadly divided into two types: "precious opal" which exhibits play-of-color effect, and "common opal" which does not. The impression changes greatly depending on whether there is a play-of-color effect or not, but the atmosphere also changes depending on the way the play-of-color appears and the pattern, and if you own one, you will want to collect many more, making it a collector's item.

Karatz GemMagazine
" opal "

Sort by
[On sale March 28th, 10 PM JST] Tucson Arrivals - Limited to 28 Stones - Andamooka Black Matrix Opal (Carbonized) from Australia - 1 Loose Stone - Multiple Purchase Discount Available

[On sale March 28th, 10 PM JST] Tucson Arrivals - Limited to 28 Stones - Andamooka Black Matrix Opal (Carbonized) from Australia - 1 Loose Stone - Multiple Purchase Discount Available Sale price¥3,980
[Available at 10 PM on March 8th] [New Arrivals in Tucson - Limited to 13 Stones] Mexican Opals, including imperfect pieces (including egg-in and water opals) [Multiple purchase discounts available]

[Available at 10 PM on March 8th] [New Arrivals in Tucson - Limited to 13 Stones] Mexican Opals, including imperfect pieces (including egg-in and water opals) [Multiple purchase discounts available] Sale price¥2,980
メキシコ産ファイアオパール 1.833ctルース

Mexican Fire Opal 1.833ct Loose Sale price¥39,800
メキシコ産ファイアオパール 1.424ctルース

Mexican Fire Opal 1.424ct Loose Sale price¥39,800
メキシコ産ファイアオパール 2.235ctルース

Mexican Fire Opal 2.235ct Loose Sale price¥19,800
メキシコ産ファイアオパール 1.743ctルース

Mexican Fire Opal 1.743ct Loose Sale price¥18,800
メキシコ産ファイアオパール 3.425ctルース

Mexican Fire Opal 3.425ct Loose Sale price¥22,800
[On sale March 28 at 10 PM] Tucson New Arrivals - Limited 18 pieces! 1 Peruvian Blue Opal stone (multi-item discount available)

[On sale March 28 at 10 PM] Tucson New Arrivals - Limited 18 pieces! 1 Peruvian Blue Opal stone (multi-item discount available) Sale price¥3,980
メキシコ産カンテラオパール 15.195ctルース

Mexican Cantera Opal 15.195ct Loose Sale price¥12,800
メキシコ産オパール 0.502ctルース

Mexican Opal 0.502ct Loose (Faceted Cut) Sale price¥9,800
Australian black opal 2.277ct loose stone (play of color on both sides)

Australian black opal 2.277ct loose stone (play of color on both sides) Sale price¥34,800
メキシコ産エッグインオパール 0.865ctルース

Mexican egg-in-opal 0.865ct loose stone Sale price¥12,800
メキシコ産エッグインオパール 0.672ctルース

Mexican egg-in-opal 0.672ct loose stone Sale price¥11,000
【12562540掲載】オーストラリア産ブラックオパール 0.336ctルース

[On Sale March 18th, 10 PM JST] Australian Black Opal 0.336 ct Loose Stone Sale price¥19,800
【12562539掲載】オーストラリア産ブラックオパール 0.415ctルース

[On Sale April 3rd, 10 PM JST] Australian Black Opal 0.415ct Loose Stone Sale price¥18,800
【12562538掲載】オーストラリア産ブラックオパール 0.548ctルース

[On sale March 19th at 10 PM] Australian Black Opal 0.548ct Loose Stone Sale price¥18,800
【12562537掲載】オーストラリア産ブラックオパール 0.744ctルース

[On Sale 3/21 at 10 PM] Australian Black Opal 0.744ct Loose Stone Sale price¥18,800
【12562536掲載】オーストラリア産ブラックオパール 0.618ctルース

【Sale starts March 23rd at 10 PM JST】Australian Black Opal 0.618ct Loose Stone Sale price¥15,800
【12562535掲載】オーストラリア産ブラックオパール 1.311ctルース

[On sale March 21 at 10 PM] Australian Black Opal 1.311ct Loose Stone Sale price¥18,800
【12562534掲載】オーストラリア産ブラックオパール 0.387ctルース

[On sale 3/13 10 PM JST] Australian Black Opal 0.387ct Loose Stone Sale price¥18,800
【12562532掲載】オーストラリア産ブラックオパール 0.605ctルース

[On sale March 21st at 10 PM] Australian Black Opal 0.605ct Loose Stone Sale price¥22,800
【12562531掲載】オーストラリア産ブラックオパール 0.754ctルース

[On sale April 3rd, 10 PM] Australian Black Opal 0.754ct Loose Stone Sale price¥22,800
【12562529掲載】オーストラリア産ブラックオパール 0.940ctルース

[On sale March 18 at 10 PM] Australian Black Opal 0.940ct Loose Stone Sale price¥18,800
【12562528掲載】オーストラリア産ブラックオパール 1.539ctルース

[On sale March 19th, 10 PM] Australian black opal loose stone, 1.539 ct Sale price¥15,800
【12562527掲載】オーストラリア産ブラックオパール 0.754ctルース

[On sale April 3rd, 10 PM JST] Australian Black Opal 0.754ct Loose Stone Sale price¥22,800
【12562526掲載】オーストラリア産ブラックオパール 0.768ctルース

【On sale March 19, 10 PM JST】Australian Black Opal 0.768 ct Loose Stone Sale price¥25,800
【12562525掲載】オーストラリア産ブラックオパール 0.956ctルース

[Sale on March 17 at 10 PM JST] Australian Black Opal 0.956ct Loose Gemstone Sale price¥39,800
【12562524掲載】オーストラリア産ブラックオパール 0.758ctルース

[On Sale March 13, 10 PM JST] Australian Black Opal 0.758ct Loose Stone Sale price¥35,800
【12562523掲載】オーストラリア産ブラックオパール 1.168ctルース

[Sales on April 3rd at 10 PM] Australian Black Opal 1.168ct Loose Stone Sale price¥39,800
ピンクオパール・ブルーオパール2石セット（小・大サイズ） - KARATZ STORE｜カラッツSTORE

Pink opal/blue opal 2 stone set (small/large size)《Discount available for multiple purchases》 Sale priceFrom ¥1,980
1 green opal from Amazon《Discount available for multiple purchases》

1 green opal from Amazon《Discount available for multiple purchases》 Sale price¥2,980
【5/21 22時販売】【KEN氏】 メキシコ産オパール1石（約3.5mm）《複数購入割引有》 - カラッツSTORE

1 Mexican opal (approx. 3.5mm) {Multiple purchase discounts available} Sale price¥3,980
[Available at 10 PM on February 22nd] Limited to 10 Opals - Australian Opal Lottery with Certificate of Authenticity (including Australian Black Opal) (Plus 1 Mexican Fire Opal) [Multiple Purchase Discounts Available]

[Available at 10 PM on February 22nd] Limited to 10 Opals - Australian Opal Lottery with Certificate of Authenticity (including Australian Black Opal) (Plus 1 Mexican Fire Opal) [Multiple Purchase Discounts Available] Sale price¥6,980
Limited to 8 stones: Mexican Hyalite Opal Loose (Large 4ct, Fluorescent even in sunlight) Multiple purchase discounts available

Limited to 8 stones: Mexican Hyalite Opal Loose (Large 4ct, Fluorescent even in sunlight) Multiple purchase discounts available Sale price¥4,980
[Available at 10 PM on February 22nd] Limited to 13 stones: Mexican Opal (Cabochon Cut) Gacha [Multiple purchase discounts available]

[Available at 10 PM on February 22nd] Limited to 13 stones: Mexican Opal (Cabochon Cut) Gacha [Multiple purchase discounts available] Sale price¥2,980
Limited to 12 stones: Mexican opal (custom faceted cut) - 1 loose stone (multiple purchase discounts available)

Limited to 12 stones: Mexican opal (custom faceted cut) - 1 loose stone (multiple purchase discounts available) Sale price¥3,980
Limited to 11 stones: Sakura-shaped Contralus Opal and a specially cut Opal Gacha with one loose stone. Discounts available for multiple purchases.

Limited to 11 stones: Sakura-shaped Contralus Opal and a specially cut Opal Gacha with one loose stone. Discounts available for multiple purchases. Sale price¥3,980
Limited to 9 stones: 1 loose Australian opal (faceted cut) [Multiple purchase discounts available]

Limited to 9 stones: 1 loose Australian opal (faceted cut) [Multiple purchase discounts available] Sale price¥3,980
Limited to 8 stones: 1 Mexican fire opal loose stone with unique color (up to 2.2ct) Multiple purchase discounts available

Limited to 8 stones: 1 Mexican fire opal loose stone with unique color (up to 2.2ct) Multiple purchase discounts available Sale price¥3,980
Limited to 23 stones: Ethiopian Opal, 1 loose sphere (4.5-5.0mm) - Multiple purchase discounts available

Limited to 23 stones: Ethiopian Opal, 1 loose sphere (4.5-5.0mm) - Multiple purchase discounts available Sale price¥5,980
Opal 0.123ct loose stone

Opal 0.123ct loose stone Sale price¥5,980
Limited to 7 stones: 1 loose Australian iron opal (average 7ct, October birthstone opal) Multiple purchase discounts available

Limited to 7 stones: 1 loose Australian iron opal (average 7ct, October birthstone opal) Multiple purchase discounts available Sale price¥4,980
Limited to 7 stones: 1 loose Australian boulder opal (average 25 carats) Multiple purchase discounts available

Limited to 7 stones: 1 loose Australian boulder opal (average 25 carats) Multiple purchase discounts available Sale price¥8,800
Limited to 12 stones Tanzanian Milky Opal Cat's Eye (7.5 x 5.5 mm) Multiple purchase discounts available

Limited to 12 stones Tanzanian Milky Opal Cat's Eye (7.5 x 5.5 mm) Multiple purchase discounts available Sale price¥3,980
Mexican Hyalite Opal 2.592ct loose

Mexican Hyalite Opal 2.592ct loose Sale price¥9,800
【12562397掲載】メキシコ産ファイアオパール 1.458ctルース

[On sale March 15 at 10 PM JST] "Rouge Cut" Mexican Fire Opal 1.458ct Loose Stone Sale price¥18,800
オーストラリア産シェルオパール 53.277ct原石

Australian shell opal 53.277ct rough stone Sale price¥59,800
【12562002掲載】メキシコ産エッグインオパール 3.646ctルース

[On Sale at 10 PM on March 1st] Mexican Egg-in Opal 3.646ct Loose Sale price¥25,800

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'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.