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sapphire

Sapphire is the birthstone of September. Isn't this a gemstone that can be said to be the representative blue gemstone? However, there are actually many colors, including ``bicolor sapphire'' that exhibits two colors in one stone, ``color change sapphire'' that has a color change effect, and ``star sapphire'' that shows six lines when exposed to light. There are many types such as ``. It belongs to the same mineral corundum as ruby, and has high Mohs hardness and toughness, making it a gemstone that can be enjoyed as everyday jewelry.

Karatz GemMagazine
" sapphire "

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スターサファイア 6.477ctルース

Sri Lankan Star Sapphire 6.477ct Loose Sale price¥49,800
スターサファイア 7.111ctルース

Sri Lankan Star Sapphire 7.111ct Loose Sale price¥59,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose

Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose Sale price¥9,800
ベトナム産非加熱シルキーピンクサファイア 0.165ctルース

0.165ct Unheated Silky Pink Sapphire from Vietnam Sale price¥6,980
スリランカ産ツインスターサファイア 2.895ctルース

Sri Lankan Twin Star Sapphire 2.895ct Loose Sale price¥69,800
イエローサファイア 0.287ctルース

Yellow sapphire 0.287ct loose stone Sale price¥9,800
ピンクサファイア 0.202ctルース

Pink sapphire 0.202ct loose stone Sale price¥9,800
スリランカ産スターサファイア 2.093ctルース

Sri Lankan Star Sapphire 2.093ct Loose Sale price¥9,800
スリランカ産スターサファイア 1.339ctルース

Sri Lankan Star Sapphire 1.339ct Loose Sale price¥15,800
スリランカ産スターサファイア 1.682ctルース

Sri Lankan Star Sapphire 1.682ct Loose Sale price¥15,800
スリランカ産スターサファイア 1.225ctルース

Sri Lankan Star Sapphire 1.225ct Loose Sale price¥15,800
K18PGイエローサファイア1.927 リング

[Dandelion Cut] K18PG Yellow Sapphire 1.927 Ring Japanese-German Edition Sale price¥298,000
モンタナサファイア 0.254ctルース

Montana Sapphire 0.254ct loose Sale price¥9,800
スリランカ産ツインスターサファイア 3.003ctルース

Twin star sapphire from Sri Lanka 3.003ct loose (Violet star sapphire) Sale price¥59,800
スリランカ産ツインスターサファイア 3.858ctルース

Twin star sapphire from Sri Lanka 3.858ct loose (black star sapphire) Sale price¥59,800
スリランカ産ツインスターサファイア 2.523ctルース

Twin star sapphire from Sri Lanka 2.523ct loose Sale price¥98,000
カラーチェンジサファイア 0.526ctルース

Color change sapphire 0.526ct loose Sale price¥6,980
カラーチェンジサファイア 0.453ctルース

Color change sapphire 0.453ct loose Sale price¥5,980
スリランカ産シルキーサファイア 1.086ctルース

Silky sapphire from Sri Lanka 1.086ct loose Sale price¥15,800
スリランカ産シルキーサファイア 0.632ctルース

Silky sapphire from Sri Lanka 0.632ct loose Sale price¥8,800
スリランカ産シルキーサファイア 0.928ctルース

Silky sapphire from Sri Lanka 0.928ct loose Sale price¥9,800
スリランカ産シルキーサファイア 0.920ctルース

Silky sapphire from Sri Lanka 0.920ct loose Sale price¥14,800
スリランカ産シルキーサファイア 1.036ctルース

Silky sapphire from Sri Lanka 1.036ct loose Sale price¥12,800
スリランカ産シルキーサファイア 0.981ctルース

Silky sapphire from Sri Lanka 0.981ct loose Sale price¥14,800
スリランカ産シルキーサファイア 0.868ctルース

Silky sapphire from Sri Lanka 0.868ct loose Sale price¥12,800
スリランカ産シルキーサファイア 0.627ctルース

Silky sapphire from Sri Lanka 0.627ct loose Sale price¥8,800
スリランカ産シルキーサファイア 1.319ctルース

Silky sapphire from Sri Lanka 1.319ct loose Sale price¥15,800
ツインスターサファイア 4.975ct原石

Twin Star Sapphire from Ratnapura, Sri Lanka 4.975ct loose stone (twin star sapphire) Sale price¥98,000
Sold out 「起源がわかる 宝石大全」初版＆宝石小瓶 2点セット

“An Encyclopedia of Gems that Understand the Origin” & Sapphire 2 Stone Set《Purchased in Chanthaburi, Thailand》

Sold out 《Limited Edition - Pop-up Event Special》Gem Gacha 💎 Win gems such as red sapphire with a certificate, chameleon diamond, imperial topaz, alexandrite, and gems polished by Mr. Sanje. 《Multiple Purchase Discount Available》

《Limited Edition - Pop-up Event Special》Gem Gacha 💎 Win gems such as red sapphire with a certificate, chameleon diamond, imperial topaz, alexandrite, and gems polished by Mr. Sanje. 《Multiple Purchase Discount Available》

Sold out Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available}

Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available}

Sold out Limited to 22 Sapphire Gacha (Includes Sakura In-Cut & Sakura Shape Sapphire, Bonus Hot Pink Sapphire) (Multiple Purchase Discounts Available)

Limited to 22 Sapphire Gacha (Includes Sakura In-Cut & Sakura Shape Sapphire, Bonus Hot Pink Sapphire) (Multiple Purchase Discounts Available)

Sold out [Jeweler's Tools] 3-piece set: Jewelry Loupe (14x magnification), Blue Diamond, and Pink Tourmaline or Sapphire

[Jeweler's Tools] 3-piece set: Jewelry Loupe (14x magnification), Blue Diamond, and Pink Tourmaline or Sapphire
Sold out Limited to 19 stones: Blue sapphire from Madagascar (medium blue, oval cut) Discounts available for multiple purchases

Limited to 19 stones: Blue sapphire from Madagascar (medium blue, oval cut) Discounts available for multiple purchases
Sold out Win two unheated royal blue sapphires (with AIGS certificate) in the Blue Sapphire Lottery (Multiple purchase discounts available)

Win two unheated royal blue sapphires (with AIGS certificate) in the Blue Sapphire Lottery (Multiple purchase discounts available)
Sold out グリーンランド産アイスルビー 1石（ハートシェイプ,4mm,ピンクサファイア）《複数購入割引有》

Greenland Ice Ruby 1 stone (heart shape, 4mm, pink sapphire) {Multiple purchase discount available}

Sold out Limited to 17 stones: Tanzanian bicolor sapphire, loose stone (multiple purchase discounts available)

Limited to 17 stones: Tanzanian bicolor sapphire, loose stone (multiple purchase discounts available)
Sold out 1 loose sapphire from Ratnapura, Sri Lanka (3.0mm-4.0mm, trilliant cut)《Multiple purchase discount available》

1 loose sapphire from Ratnapura, Sri Lanka (3.0mm-4.0mm, trilliant cut)《Multiple purchase discount available》

Sold out [Available at 10 PM on January 1st] [Limited to 16 stones] Win Cornflower Blue and Royal Blue Sapphires with Certificates of Authenticity in the Blue Sapphire Gacha! [Multiple purchase discounts available]

[Available at 10 PM on January 1st] [Limited to 16 stones] Win Cornflower Blue and Royal Blue Sapphires with Certificates of Authenticity in the Blue Sapphire Gacha! [Multiple purchase discounts available]
Sold out Limited Edition of 11 Montana Sapphires (Rock Creek Mine) Gacha! 1 Loose Stone (Oval Cut, 5x3mm) - Multiple Purchase Discounts Available

Limited Edition of 11 Montana Sapphires (Rock Creek Mine) Gacha! 1 Loose Stone (Oval Cut, 5x3mm) - Multiple Purchase Discounts Available
Sold out Red Gemstone Gacha including Pigeon Blood Ruby AIGS worth ¥60,000 💎 Ruby and Hot Pink Sapphire (Multiple Purchase Discounts Available)

Red Gemstone Gacha including Pigeon Blood Ruby AIGS worth ¥60,000 💎 Ruby and Hot Pink Sapphire (Multiple Purchase Discounts Available)
Sold out Limited to 11 stones: One loose, unheated silky pink sapphire from Vietnam (2.0-2.5mm, with lots of inclusions) [Multiple purchase discounts available]

Limited to 11 stones: One loose, unheated silky pink sapphire from Vietnam (2.0-2.5mm, with lots of inclusions) [Multiple purchase discounts available]

Sold out Blue Sapphire Gacha Set Includes Two Unheated Royal Blue Sapphires (with AIGS Certificate) (Plus One Sapphire from the Teppanawa Mine) (Multiple Purchase Discounts Available)

Blue Sapphire Gacha Set Includes Two Unheated Royal Blue Sapphires (with AIGS Certificate) (Plus One Sapphire from the Teppanawa Mine) (Multiple Purchase Discounts Available)
Sold out Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)

Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)
Sold out [Available at 10 PM on March 6th] Limited to 9 stones: Padparadscha Sapphire Gacha (plus a princess-cut sapphire) [Multiple purchase discounts available]

[Available at 10 PM on March 6th] Limited to 9 stones: Padparadscha Sapphire Gacha (plus a princess-cut sapphire) [Multiple purchase discounts available]
Sold out Limited to 16 stones: 1 Montana sapphire loose stone (including teal blue and bicolor) Multiple purchase discounts available

Limited to 16 stones: 1 Montana sapphire loose stone (including teal blue and bicolor) Multiple purchase discounts available
Sold out [Available at 10 PM on January 2nd] [Limited to 11 stones] Bicolor Gacha (Includes Zimbabwean Bicolor Euclase, Bicolor Sapphire, and Bicolor Zoisite) [Multiple purchase discounts available]

[Available at 10 PM on January 2nd] [Limited to 11 stones] Bicolor Gacha (Includes Zimbabwean Bicolor Euclase, Bicolor Sapphire, and Bicolor Zoisite) [Multiple purchase discounts available]
Sold out Limited Edition of 10 Bicolor Gacha! 💎 Includes two Zimbabwean euclase stones (average 0.088ct), a 1.03ct bicolor sapphire, a bicolor chrysoberyl, and more. Discounts available for multiple purchases.

Limited Edition of 10 Bicolor Gacha! 💎 Includes two Zimbabwean euclase stones (average 0.088ct), a 1.03ct bicolor sapphire, a bicolor chrysoberyl, and more. Discounts available for multiple purchases.

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.