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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.

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[On sale from 10/4 at 10 PM] [Limited to 17 stones] Tanzanian Bicolor Sapphire Loose Stone [Multiple purchase discounts available]

[On sale from 10/4 at 10 PM] [Limited to 17 stones] Tanzanian Bicolor Sapphire Loose Stone [Multiple purchase discounts available] Sale price¥4,580
【10/17 22時販売】《残り僅か》カラーチェンジガチャ💎ミャンマー産カラーチェンジジルコン、カラーシフトサファイア、カラーシフトコバルトスピネルなど《複数購入割引有》

【10/17 22時販売】《残り僅か》カラーチェンジガチャ💎ミャンマー産カラーチェンジジルコン、カラーシフトサファイア、カラーシフトコバルトスピネルなど《複数購入割引有》 Sale price¥4,980
【10/12 22時販売】《限定15石》ベトナム産非加熱シルキーピンクサファイア1石ルース（2.5mm,ラウンドカット）《複数購入割引有》

【10/12 22時販売】《限定15石》ベトナム産非加熱シルキーピンクサファイア1石ルース（2.5mm,ラウンドカット）《複数購入割引有》 Sale price¥3,980
【10/12 22時販売】《限定14石》モザンビーク産ホットピンクサファイア1石ルース(ペアシェイプ,約4×3mm)《複数購入割引有》

【10/12 22時販売】《限定14石》モザンビーク産ホットピンクサファイア1石ルース(ペアシェイプ,約4×3mm)《複数購入割引有》 Sale price¥4,980
coming soon マダガスカル産バイカラーサファイア 0.633ctルース

【10/31 22時販売】マダガスカル産バイカラーサファイア 0.633ctルース Sale price¥39,800
スリランカ産スターサファイア 1.323ctルース

Sri Lankan star sapphire 1.323ct loose Sale price¥3,980
スリランカ産スターサファイア 1.061ctルース

Sri Lankan star sapphire 1.061ct loose Sale price¥3,980
カラーチェンジサファイア 0.283ctルース

Color change sapphire 0.283ct loose Sale price¥3,980
カラーチェンジサファイア 0.401ctルース

Color change sapphire 0.401ct loose Sale price¥3,980
K18PG ピンクサファイア 0.32ct リング

【10/22 22時販売】K18PGピンクサファイア0.32ct・ブラウンダイヤモンドリング Sale price¥69,800
【10/12 22時販売】「紫陽夜」アイスブルーサファイア、アメシスト、ベキリーブルーガーネット、タンザナイト１３石ハーフエタニティリングセット（2.0mm)

【10/12 22時販売】「紫陽夜」アイスブルーサファイア、アメシスト、ベキリーブルーガーネット、タンザナイト１３石ハーフエタニティリングセット（2.0mm) Sale price¥98,000
非加熱ロイヤルブルーサファイア 0.640ctルース AIGS

[10/12 22:00 Sale] Unheated Royal Blue Sapphire 0.640ct Loose AIGS Sale price¥158,000
スリランカ産スターサファイア 1.093ctルース

[10/12 22:00 Sale] Sri Lankan Star Sapphire 1.093ct Loose Sale price¥8,800
パパラチアサファイア 0.251ctルース

Padparadscha sapphire 0.251ct loose stone Sale price¥45,800
パパラチアサファイア 0.376ctルース

Padparadscha sapphire 0.376ct loose stone Sale price¥55,800
スリランカ産サファイアキャッツアイ 3.739ctルース

[Posted 12549094] Sri Lankan sapphire cat's eye 3.739ct loose Sale price¥59,800
スターサファイア 1.325ctルース

[12548587 published] Star sapphire from Sri Lanka 1.325ct loose Sale price¥5,980
タンザニア・ウィンザー産バイカラーサファイア 1.030ctルース

Bicolor sapphire 1.030ct loose from Windsor, Tanzania Sale price¥89,800
タンザニア産パープルサファイア 0.355ctルース

[10/10 22:00 Sale] Tanzanian Purple Sapphire 0.355ct Loose Sale price¥9,800
《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
Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available}

Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available} Sale price¥3,333
"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 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 Sale price¥2,980
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
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
[3 sets left] Gemstone Gacha 💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires [Multiple purchase discounts available]

[3 sets left] Gemstone Gacha 💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires [Multiple purchase discounts available] Sale price¥6,980
Limited to 8 stones: 1 Sri Lankan star sapphire loose stone (5mm, round cabochon cut) Multiple purchase discounts available

Limited to 8 stones: 1 Sri Lankan star sapphire loose stone (5mm, round cabochon cut) Multiple purchase discounts available Sale price¥7,980
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
[Available at 10 PM on September 15th] Limited to 11 stones: One loose silky pink sapphire from Vietnam (2.0-2.5mm, heavy inclusions) [Multiple purchase discounts available]

[Available at 10 PM on September 15th] Limited to 11 stones: One loose silky pink sapphire from Vietnam (2.0-2.5mm, heavy inclusions) [Multiple purchase discounts available] Sale price¥1,980
Rose-cut beryllium-treated sapphire, 1 loose stone (4mm, September birthstone) {Multiple purchase discounts available}

Rose-cut beryllium-treated sapphire, 1 loose stone (4mm, September birthstone) {Multiple purchase discounts available} Sale price¥1,580
[On sale at 10 PM on September 28th] [Limited to 14 stones] 3mm Unheated Sapphire from Theppanawa Mine, Sri Lanka (Multiple purchase discounts available)

[On sale at 10 PM on September 28th] [Limited to 14 stones] 3mm Unheated Sapphire from Theppanawa Mine, Sri Lanka (Multiple purchase discounts available) 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
スリランカ産ホワイトサファイア 2.9mm/0.086ctルース（ローズカット）

Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut) Sale price¥3,980
ロイヤルブルーサファイア 1.44ctルース GIA

Royal blue sapphire 1.44ct loose GIA Sale price¥188,000
モゴック産バイカラーピンクスターサファイア 0.360ctルース

Bicolor pink star sapphire from Mogok 0.360ct loose Sale price¥24,800
非加熱ブルーサファイア 0.862ctルース

[12549429] Blue sapphire 0.862ct loose stone Sale price¥25,800
[On sale at 10 PM on September 21st] Limited to 14 stones: Beryllium-heated Sapphire (3.5mm, KEN Cut) - Single Loose Stone [Multiple purchase discounts available]

[On sale at 10 PM on September 21st] Limited to 14 stones: Beryllium-heated Sapphire (3.5mm, KEN Cut) - Single Loose Stone [Multiple purchase discounts available] Sale price¥1,580
【12559786掲載】ブルーサファイア 0.332ctルース

[On Sale at 10 PM on October 4th] Blue Sapphire 4.1mm/0.332ct Loose Sale price¥25,800
ブルーサファイア 0.291ctルース

[On sale at 10pm on September 30th] Blue sapphire 0.291ct loose stone Sale price¥18,800
ピンクスターサファイア 0.619ctルース

Pink star sapphire 0.619ct loose Sale price¥5,980
ミャンマー産バイカラースターサファイア 1.190ctルース（ピンクサファイア）

Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire) Sale price¥25,800
シエラレオネ産サファイア 1.210ctルース

Sierra Leone sapphire 1.210ct loose Sale price¥7,980
シエラレオネ産サファイア 1.470ctルース

Sierra Leone sapphire 1.470ct loose Sale price¥9,800
ピンクサファイア 0.934ctルース

Pink sapphire 0.934ct loose Sale price¥15,800
ブルーサファイア 0.591ctルース

[Sold at 10pm on September 15th] Blue sapphire 0.591ct loose stone Sale price¥9,800

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.