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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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《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》 Sale price¥3,980
ブラックスターサファイア 1.665ctルース ネックレス

ブラックスターサファイア 1.665ctルース ネックレス Sale price¥19,800
【4/14 22時販売】スリランカ産ブルーサファイア（アイスブルー） 0.289ctルース

【4/14 22時販売】スリランカ産ブルーサファイア（アイスブルー） 0.289ctルース Sale price¥9,800
[Listed as 12562521] Sri Lankan Unheated Star Sapphire 0.238ct Loose Stone

[Listed as 12562521] Sri Lankan Unheated Star Sapphire 0.238ct Loose Stone Sale price¥3,980
[Posted 12562520] Sri Lankan Unheated Star Sapphire 0.354ct Loose

[Posted 12562520] Sri Lankan Unheated Star Sapphire 0.354ct Loose Sale price¥6,980
[Listed on 12562519] Unheated Sri Lankan Star Sapphire 0.361ct Loose Stone

[Listed on 12562519] Unheated Sri Lankan Star Sapphire 0.361ct Loose Stone Sale price¥6,980
ブルーサファイア 0.485ctルース

Blue Sapphire 0.485ct Loose Stone Sale price¥9,800
Sri Lankan Blue Sapphire 0.329ct Loose Stone

Sri Lankan Blue Sapphire 0.329ct Loose Stone Sale price¥15,800
0.264 ct Loose Blue Sapphire from Sri Lanka

0.264 ct Loose Blue Sapphire from Sri Lanka Sale price¥14,800
[Listed as 12559819] Blue Sapphire 0.133ct Loose Gemstone

[Listed as 12559819] Blue Sapphire 0.133ct Loose Gemstone Sale price¥18,800
【12558285掲載】ブルーサファイア 0.455ctルース

[Featured on 12558285] Blue Sapphire 0.455ct Loose Stone Sale price¥25,800
【Listed as 12562675】Sri Lankan Blue Sapphire 0.442ct Loose

【Listed as 12562675】Sri Lankan Blue Sapphire 0.442ct Loose Sale price¥22,800
[Listed as 12562674] Sri Lankan blue sapphire 0.345 ct loose stone

[Listed as 12562674] Sri Lankan blue sapphire 0.345 ct loose stone Sale price¥12,800
【12562679掲載】スリランカ産ブルーサファイア 0.557ctルース

[Listed as 12562679] Sri Lankan Blue Sapphire, 0.557ct loose stone Sale price¥22,800
【12562678掲載】スリランカ産ブルーサファイア 0.517ctルース

【Sales begin April 5th at 10 PM JST】Sri Lankan Blue Sapphire 0.517ct Loose Gemstone Sale price¥18,800
【12562517掲載】スリランカ産非加熱スターサファイア 0.450ctルース

[Posted on 12562517] Unheated Sri Lankan Star Sapphire 0.450ct Loose Stone Sale price¥8,800
【12562516掲載】スリランカ産非加熱スターサファイア 0.499ctルース

[Posted on 12562516] Untreated Sri Lankan Star Sapphire 0.499ct Loose Stone Sale price¥8,800
【12562507掲載】スリランカ産非加熱スターサファイア 0.961ctルース

【Sales begin April 3rd at 10 PM JST】Unheated Sri Lankan Star Sapphire 0.961ct Loose Stone Sale price¥11,800
【12562506掲載】スリランカ産非加熱スターサファイア 1.016ctルース

[Sales on 4/3 at 10 PM] Unheated Sri Lankan Star Sapphire Loose Stone, 1.016 ct Sale price¥11,000
【12552988掲載】タンザニア産イエローサファイア 0.281ctルース

[Sales on April 3rd at 10 PM] Tanzanian Yellow Sapphire 0.281ct Loose Stone Sale price¥6,980
【12548841掲載】スリランカ産イエローサファイア 0.835ctルース

【Sales start 3/26 10 PM JST】Ceylon yellow sapphire 0.835ct loose gemstone Sale price¥16,800
《再入荷》【宝石商の道具】ゲルタックケース3個セット《透明・黒背景の2種類有》（ブルーサファイア3石付） - カラッツSTORE

[Jeweler's Tools] Set of 3 gel tack cases (2 types: transparent and black background) (includes 3 blue sapphires) (discount available for multiple purchases) Sale price¥3,980
ベリリウム拡散処理サファイア1石（約2.5mm,ラウンドカット）

1 beryllium diffused sapphire stone (approximately 2.5mm, round cut)《Multiple purchase discounts available》 Sale price¥1,580
"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device Image Ring - Enforcer Design [Yayoi Rokuitsuka Model] "Ice Blue Sapphire"

"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device Image Ring - Enforcer Design [Yayoi Rokuitsuka Model] "Ice Blue Sapphire" Sale priceFrom ¥25,800
スリランカ産サファイア《ラトゥナプラ》1石ルース(平均0.75ct)

Gem Gacha💎 Sri Lankan Sapphire《Ratnapura》1 loose stone (average 0.75ct)《Multiple purchase discount available》 Sale price¥5,980
Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases.

Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases. Sale price¥1,580
Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases.

Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases. Sale price¥1,580
Limited to 25 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases.

Limited to 25 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases. Sale price¥4,980
[On sale March 7th at 10 PM] Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]

[On sale March 7th at 10 PM] Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available] Sale price¥2,980
Limited to 8 stones: 1 unheated silky pink sapphire from Vietnam (including silky ruby) Discounts for multiple purchases available

Limited to 8 stones: 1 unheated silky pink sapphire from Vietnam (including silky ruby) Discounts for multiple purchases available Sale price¥4,980
Limited to 15 stones: One loose, unheated silky pink sapphire from Vietnam (2.5mm, round cut) [Multiple purchase discounts available]

Limited to 15 stones: One loose, unheated silky pink sapphire from Vietnam (2.5mm, round cut) [Multiple purchase discounts available] Sale price¥3,980
Limited to 6 stones: 1 loose, unheated silky pink sapphire from Vietnam (milky pink sapphire) Multiple purchase discounts available

Limited to 6 stones: 1 loose, unheated silky pink sapphire from Vietnam (milky pink sapphire) Multiple purchase discounts available Sale price¥5,980
Limited to 14 stones: 3mm single unheated sapphire from the Theppanawa mine in Sri Lanka. Discounts available for multiple purchases.

Limited to 14 stones: 3mm single unheated sapphire from the Theppanawa mine in Sri Lanka. Discounts available for multiple purchases. Sale price¥5,980
Limited to 10 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases.

Limited to 10 stones: 1 unheated yogo sapphire rough stone. Discounts available for multiple purchases. Sale price¥5,980
Limited to 5 stones: 1 loose Madagascar sapphire (3mm, hexagonal cut) Multiple purchase discounts available

Limited to 5 stones: 1 loose Madagascar sapphire (3mm, hexagonal cut) Multiple purchase discounts available Sale price¥3,980
Limited to 8 stones: 1 loose kite cut stone (illusion sunstone, sapphire, emerald, spessartine garnet, etc.) Multiple purchase discounts available

Limited to 8 stones: 1 loose kite cut stone (illusion sunstone, sapphire, emerald, spessartine garnet, etc.) Multiple purchase discounts available Sale price¥5,980
Limited to 4 stones: 1 loose silky sapphire from Sri Lanka. Discounts available for multiple purchases.

Limited to 4 stones: 1 loose silky sapphire from Sri Lanka. Discounts available for multiple purchases. Sale price¥3,980
Limited to 9 sets: Sri Lankan sapphire (3.0-3.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases.

Limited to 9 sets: Sri Lankan sapphire (3.0-3.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases. Sale price¥5,980
[On Sale 3/7 at 10pm] Madagascar Blue Sapphire 0.347ct Loose Stone with Certificate of Authenticity

[On Sale 3/7 at 10pm] Madagascar Blue Sapphire 0.347ct Loose Stone with Certificate of Authenticity Sale price¥25,800
【12561935掲載】バイカラーサファイア 0.900ctルース

[On Sale 3/7 at 10pm] Sri Lankan Bicolor Sapphire 0.900ct Loose Stone with Certificate of Authenticity Sale price¥29,800
Montana Sapphire 0.515ct loose (bicolor sapphire)

Montana Sapphire 0.515ct loose (bicolor sapphire) Sale price¥15,800
Montana Sapphire 0.361ct loose (yellow sapphire)

Montana Sapphire 0.361ct loose (yellow sapphire) Sale price¥12,800
Montana Sapphire 0.397ct loose (bicolor sapphire)

Montana Sapphire 0.397ct loose (bicolor sapphire) Sale price¥12,800
Montana Sapphire 0.449ct loose (bicolor sapphire)

Montana Sapphire 0.449ct loose (bicolor sapphire) Sale price¥14,800
[12548259 published] Padparadscha sapphire 0.524ct loose

[12548259 published] Padparadscha sapphire 0.524ct loose Sale price¥59,800
【12548254掲載】パパラチアサファイア 0.474ctルース

[12548254 published] Padparadscha sapphire 0.474ct loose Sale price¥49,800
[On sale March 22nd, 10 PM JST] Synthetic Blue Sapphire 1.551ct Loose Stone (Synthetic Sapphire)

[On sale March 22nd, 10 PM JST] Synthetic Blue Sapphire 1.551ct Loose Stone (Synthetic Sapphire) Sale price¥15,800
[On Sale March 23rd at 10 PM] Lab-Grown Blue Sapphire 2.012 ct Loose Stone (Synthetic Sapphire)

[On Sale March 23rd at 10 PM] Lab-Grown Blue Sapphire 2.012 ct Loose Stone (Synthetic Sapphire) 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.