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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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マダガスカル産サファイア 0.375ctルース

[On sale at 22:00 on 2/5] Madagascar sapphire 0.375ct loose stone Sale price¥8,800
ブルーサファイア 0.329ctルース

[On sale from 22:00 on 2/8] Sri Lankan blue sapphire 4.0mm/0.329ct loose stone Sale price¥22,800
スターサファイア 0.796ctルース

[On sale at 22:00 on 2/10] Sri Lankan star sapphire 0.796ct loose stone Sale price¥9,800
スリランカ産スターサファイア 0.897ctルース

[On sale from 22:00 on 2/11] Sri Lankan star sapphire 5.0mm/0.897ct loose stone Sale price¥8,800
スリランカ産スターサファイア 0.681ctルース

[On sale from 22:00 on 2/11] Sri Lankan star sapphire 0.681ct loose stone Sale price¥8,800
スリランカ産スターサファイア 0.753ctルース

[On sale from 22:00 on 2/11] Sri Lankan star sapphire 0.753ct loose stone Sale price¥8,800
スリランカ産バイカラーサファイア 0.390ctルース

[On sale from 22:00 on 2/11] Sri Lankan bicolor sapphire 0.390ct loose stone Sale price¥12,800
ベトナム産非加熱シルキーピンクサファイア 0.191ctルース

[On sale at 22:00 on 2/11] Vietnam unheated silky pink sapphire 3.2mm/0.191ct loose stone Sale price¥8,800
ベトナム産非加熱シルキーピンクサファイア 0.181ctルース

[On sale at 22:00 on 2/10] Vietnam unheated silky pink sapphire 3.3mm/0.181ct loose stone Sale price¥9,800
マダガスカル産ピンクサファイア 1.082ctルース

[On sale at 22:00 on 2/9] Madagascar pink sapphire 1.082ct loose stone (briolette cut) Sale price¥49,800
バンカチャサファイア（スターサファイア） 2.735ctルース

[On sale from 22:00 on 2/14] Bankacha sapphire (star sapphire) 2.735ct loose stone Sale price¥18,800
ホワイトサファイア 0.242ctルース

[On sale at 22:00 on 2/14] Sri Lankan white sapphire 4.0mm/0.242ct loose stone Sale price¥12,800
スリランカ産シルキーサファイア 1.079ctルース

[On sale at 22:00 on 2/14] Sri Lankan Silky Sapphire 1.079ct Loose Sale price¥12,800
マダガスカル産ピンクサファイア 0.284ctルース

[On sale at 22:00 on 2/21] Madagascar pink sapphire 0.284ct loose stone Sale price¥12,800
マダガスカル産ホワイトサファイア 0.485ctルース

[On sale from 10pm on 2/21] Madagascar white sapphire 0.485ct loose stone Sale price¥19,800
ブルーサファイア 0.326ctルース

[On sale at 22:00 on 2/15] Madagascar blue sapphire 4.0mm/0.326ct loose stone Sale price¥11,000
マダガスカル産パープルサファイア 0.311ctルース

[On sale from 22:00 on 2/15] Madagascar purple sapphire 0.311ct loose stone Sale price¥9,800
タンザニア産バイカラーサファイア 0.623ctルース

[On sale at 22:00 on 2/19] Tanzanian bicolor sapphire 0.623ct loose stone Sale price¥16,800
タンザニア産バイカラーサファイア 0.571ctルース

[On sale at 22:00 on 2/19] Tanzanian bicolor sapphire 0.571ct loose stone Sale price¥15,800
タンザニア産バイカラーサファイア 0.923ctルース

[On sale at 22:00 on 2/19] Tanzanian bicolor sapphire 0.923ct loose stone Sale price¥25,800
タンザニア産バイカラーサファイア 0.598ctルース

[On sale at 22:00 on 2/19] Tanzanian bicolor sapphire 0.598ct loose stone Sale price¥16,800
タンザニア産バイカラーサファイア 0.707ctルース

[On sale at 22:00 on 2/19] Tanzanian bicolor sapphire 0.707ct loose stone Sale price¥18,800
タンザニア産バイカラーサファイア 0.950ctルース

[On sale at 22:00 on 2/19] Tanzanian bicolor sapphire 0.950ct loose stone Sale price¥25,800
バイカラーサファイア 0.524ctルース

[On sale at 22:00 on 2/19] Tanzanian bicolor sapphire 0.524ct loose stone Sale price¥14,800
タンザニア産バイカラーサファイア 0.658ctルース

[On sale at 22:00 on 2/20] Tanzanian bicolor sapphire 0.658ct loose stone Sale price¥14,800
タンザニア産バイカラーサファイア 0.597ctルース

[On sale at 22:00 on 2/16] Tanzanian bicolor sapphire 0.597ct loose stone Sale price¥18,800
スリランカ産スターサファイア 0.892ctルース

【2/24 22時販売】スリランカ産スターサファイア 5.0mm/0.892ctルース Sale price¥9,800
マダガスカル産ピンクサファイア 0.466ctルース

【2/24 22時販売】マダガスカル産ピンクサファイア 0.466ctルース Sale price¥12,800
マダガスカル産サファイア 0.229ctルース

【2/24 22時販売】マダガスカル産サファイア 0.229ctルース Sale price¥8,800
イエローサファイア 0.557ctルース

【2/24 22時販売】スリランカ産イエローサファイア 0.557ctルース Sale price¥12,800
《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
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: Blue sapphire from Madagascar (cornflower blue color, oval cut) Multiple purchase discounts available

Limited to 14 stones: Blue sapphire from Madagascar (cornflower blue color, oval cut) Multiple purchase discounts available Sale price¥3,980
Limited to 13 stones: 1 black star sapphire loose stone (including 2 8-line star sapphires) Multiple purchase discounts available

Limited to 13 stones: 1 black star sapphire loose stone (including 2 8-line star sapphires) Multiple purchase discounts available Sale price¥4,980
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》 Sale price¥5,980
サファイア原石 1石（イエロー系） - KARATZ STORE｜カラッツSTORE

1 rough sapphire stone (yellow)《Discount available for multiple purchases》 Sale price¥2,280
サファイア1石ルース（ロゼンジカット）《複数購入割引有》

《Limited to 7 stones》 1 loose sapphire stone (lozenge cut, approx. 6 x 4 mm) 《Discount available for multiple purchases》 Sale price¥5,980
Heart-shaped beryllium-diffused sapphire, 1 loose stone (3mm, September birthstone) {Multiple purchase discounts available}

Heart-shaped beryllium-diffused sapphire, 1 loose stone (3mm, September birthstone) {Multiple purchase discounts available} Sale price¥1,280
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 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
Princess cut beryllium-treated sapphire, 1 loose stone (3mm, September birthstone) {Multiple purchase discounts available}

Princess cut beryllium-treated sapphire, 1 loose stone (3mm, September birthstone) {Multiple purchase discounts available} Sale price¥1,280
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 Sale price¥4,980
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
ピンクスターサファイア 0.619ctルース

Pink star sapphire 0.619ct loose Sale price¥7,980
モンタナサファイア（ヨーゴ産） 0.675ct原石

Montana Sapphire (from Yogo) 0.675ct rough stone Sale price¥14,800
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

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.

KARATZ・Five Commitments