• Login/New registration
  • All items
  • FAQ
  • inquiry
  • See reviews

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 "

Sort by
[On sale from 10pm on November 3rd] {Limited to 14 stones} Blue sapphire from Madagascar (cornflower blue color, oval cut) {Multiple purchase discounts available}

[On sale from 10pm on November 3rd] {Limited to 14 stones} Blue sapphire from Madagascar (cornflower blue color, oval cut) {Multiple purchase discounts available} Sale price¥3,980
[On sale from 10pm on November 3rd] {Limited to 19 stones} Blue sapphire from Madagascar (medium blue, oval cut) {Multiple purchase discounts available}

[On sale from 10pm on November 3rd] {Limited to 19 stones} Blue sapphire from Madagascar (medium blue, oval cut) {Multiple purchase discounts available} Sale price¥2,980
[On sale from 10/20 at 10pm] Tanzanian bi-color sapphire 0.510ct loose stone

[On sale from 10/20 at 10pm] Tanzanian bi-color sapphire 0.510ct loose stone Sale price¥12,800
スリランカ産ホワイトサファイア 0.385ctルース

[On sale at 10pm on 10/22] Sri Lankan white sapphire 0.385ct loose Sale price¥14,800
イエローサファイア 0.261ctルース

[On sale from 10/26 at 10pm] Sri Lankan yellow sapphire 0.261ct loose stone Sale price¥12,800
イエローサファイア 0.299ctルース

[On sale at 10pm on 10/26] Sri Lankan yellow sapphire 0.299ct loose stone Sale price¥12,800
イエローサファイア 0.593ctルース

[On sale at 10pm on 10/26] Sri Lankan yellow sapphire 0.593ct loose stone Sale price¥15,800
ブルーサファイア 0.226ctルース

[On sale from 10/31 at 22:00] Sri Lankan blue sapphire 0.226ct loose stone Sale price¥14,800
イエローサファイア 0.300ctルース

[On sale from 10/31 at 22:00] Sri Lankan yellow sapphire 0.300ct loose stone Sale price¥8,800
イエローサファイア 0.344ctルース

[On sale from 10/31 at 22:00] Sri Lankan yellow sapphire 0.344ct loose stone Sale price¥8,800
モンタナサファイア 0.207ctルース

[On sale at 10pm on 10/28] Montana Sapphire (Blue Sapphire) 0.207ct Loose Sale price¥6,980
ピンクサファイア 0.273ctルース

[On sale at 10pm on 10/29] Madagascar pink sapphire 0.273ct loose stone Sale price¥5,980
[On sale from 10pm on November 1st] Limited to 9 sets: Sri Lankan sapphire (3.0-3.5mm, round cut) and Sri Lankan glass body set of 2 stones [Multiple purchase discounts available]

[On sale from 10pm on November 1st] Limited to 9 sets: Sri Lankan sapphire (3.0-3.5mm, round cut) and Sri Lankan glass body set of 2 stones [Multiple purchase discounts available] Sale price¥5,980
[On sale from 10pm on November 1st] Limited to 4 sets: Sri Lankan sapphire (2.5mm, round cut) and Sri Lankan glass body set of 2 stones [Multiple purchase discounts available]

[On sale from 10pm on November 1st] Limited to 4 sets: Sri Lankan sapphire (2.5mm, round cut) and Sri Lankan glass body set of 2 stones [Multiple purchase discounts available] Sale price¥3,980
モンタナサファイア 0.272ctルース

[On sale 11/4 at 10pm] Montana Sapphire 3.7mm/0.272ct Loose (Blue Sapphire) Sale price¥9,800
モンタナサファイア 0.119ctルース

[On sale 11/4 at 22:00] Montana Sapphire 3.0mm/0.119ct Loose (Blue Sapphire) Sale price¥6,980
バンカチャサファイア 1.413ct ルース

[On sale 11/2 at 10pm] Bankacha Sapphire 1.413ct Loose Sale price¥15,800
マダガスカル産サファイア 0.126ルース

[On sale 11/2 at 10pm] Madagascar sapphire 3.0mm/0.126ct loose stone Sale price¥8,800
モンタナサファイア 0.158ctルース

[On sale 11/4 at 10pm] Montana Sapphire 3.3mm/0.158ct loose stone (green sapphire) Sale price¥15,800
[On sale 11/4 at 10pm] Montana Sapphire 2.5mm/0.073ct Loose Stone (Blue Sapphire)

[On sale 11/4 at 10pm] Montana Sapphire 2.5mm/0.073ct Loose Stone (Blue Sapphire) Sale price¥8,800
スリランカ産イエローサファイア 0.543ctルース

[On sale 11/10 at 22:00] Sri Lankan yellow sapphire 0.543ct loose stone Sale price¥29,800
イエローサファイア 0.272ctルース

[On sale at 10pm on 11/14] Sri Lankan Yellow Sapphire 0.272ct Loose (Bi-Color) Sale price¥12,800
イエローサファイア 0.226ctルース

[On sale at 10pm on 11/14] Sri Lankan yellow sapphire 0.226ct loose stone Sale price¥8,800
イエローサファイア 0.253ctルース

[On sale at 10pm on 11/14] Sri Lankan yellow sapphire 0.253ct loose stone Sale price¥8,800
ブルーサファイア 0.187ctルース

[On sale 11/10 at 22:00] Sri Lankan blue sapphire 0.187ct loose stone (ice blue sapphire) Sale price¥6,980
[On sale at 10pm on 11/10] {Limited to 4 stones} 1 loose sapphire from Madagascar (Padparadscha color) {Multiple purchase discounts available}

[On sale at 10pm on 11/10] {Limited to 4 stones} 1 loose sapphire from Madagascar (Padparadscha color) {Multiple purchase discounts available} Sale price¥3,980
[On sale 11/12 22:00] Sri Lankan pink sapphire 0.175ct loose stone {Video available} (blind twin facets) {Multiple purchase discounts available}

[On sale 11/12 22:00] Sri Lankan pink sapphire 0.175ct loose stone {Video available} (blind twin facets) {Multiple purchase discounts available} Sale price¥6,980
【KEN氏】バイカラーサファイア 2.040ctルース - カラッツSTORE

【11/15 22時販売】バイカラーサファイア 2.040ctルース Sale price¥59,800
【11/15 22時販売】スリランカ産バイカラーサファイア 0.260ctルース

【11/15 22時販売】スリランカ産バイカラーサファイア 0.260ctルース Sale price¥12,800
【11/17 22時販売】タンザニア産ブルーサファイア 1.064ctルース（カラーシフト）　

【11/17 22時販売】タンザニア産ブルーサファイア 1.064ctルース（カラーシフト）　 Sale price¥24,800
【11/17 22時販売】マダガスカル産ピンクサファイア 0.409ctルース

【11/17 22時販売】マダガスカル産ピンクサファイア 0.409ct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
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
ブラウンスターサファイア1石ルース

Gem Gacha💎Brown Star Sapphire 1 Loose Stone《Multiple Purchase Discounts Available》 Sale price¥6,980
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
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 time sale: Lozenge cut Madagascar sapphire, 1 piece loose. Multiple purchase discounts available. Sale price¥1,980
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
Limited to 16 stones Gem gacha💎 Cut by Sanjay, a Sri Lankan polisher (1 in 2 people will win a Sanjay sapphire) Multiple purchase discounts available

Limited to 16 stones Gem gacha💎 Cut by Sanjay, a Sri Lankan polisher (1 in 2 people will win a Sanjay sapphire) Multiple purchase discounts available Sale price¥4,980
《Limited to 8 items》 1 stone loose sapphire from Sri Lanka (heart shape, 5.5mm) 《Discount available for multiple purchases》

《Limited to 8 items》 1 stone loose sapphire from Sri Lanka (heart shape, 5.5mm) 《Discount available for multiple purchases》 Sale price¥6,980
スリランカ産ホワイトサファイア1石ルース（ペアシェイプ,5×3mm）

Limited to 23 pieces: Sri Lankan white sapphire, 1 loose stone (pear shape, 5 x 3 mm) Multiple purchase discounts available Sale price¥3,980
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
Limited time sale: Sri Lankan white sapphire, 1 loose stone (oval cut, 5 x 3 mm) Multiple purchase discounts available

Limited time sale: Sri Lankan white sapphire, 1 loose stone (oval cut, 5 x 3 mm) Multiple purchase discounts available Sale price¥1,980
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
Gemstone Encyclopedia Playing Cards + Gemstone Ballpoint Pen Set (Unheated Ruby, Unheated Sapphire, etc.)

Gemstone Encyclopedia Playing Cards + Gemstone Ballpoint Pen Set (Unheated Ruby, Unheated Sapphire, etc.) Sale price¥7,000
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

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