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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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[On sale from 10pm on 4/5] [Jeweler's Tools] {Only a few left} 3-piece set: Jewelry loupe (14x magnification), blue diamond, and pink tourmaline or sapphire

[On sale from 10pm on 4/5] [Jeweler's Tools] {Only a few left} 3-piece set: Jewelry loupe (14x magnification), blue diamond, and pink tourmaline or sapphire Sale price¥3,980
【4/21 22時販売】タンザニア産バイカラーサファイア 0.262ctルース

【4/21 22時販売】タンザニア産バイカラーサファイア 0.262ctルース Sale price¥19,800
[On sale from 10pm on 4/20] Cornflower Blue Sapphire 4.9mm/0.55ct Loose AIGS

[On sale from 10pm on 4/20] Cornflower Blue Sapphire 4.9mm/0.55ct Loose AIGS Sale price¥110,000
[On sale at 10pm on 4/20] Sri Lankan bicolor sapphire 0.193ct loose stone

[On sale at 10pm on 4/20] Sri Lankan bicolor sapphire 0.193ct loose stone Sale price¥12,800
【12525256掲載】バイカラーサファイア 0.148ctルース

[On sale at 10pm on 4/20] Sri Lankan bicolor sapphire 0.148ct loose stone Sale price¥9,800
[On sale at 22:00 on 4/20] Sri Lankan bicolor sapphire 0.244ct loose stone

[On sale at 22:00 on 4/20] Sri Lankan bicolor sapphire 0.244ct loose stone Sale price¥12,800
[On sale from 10pm on 4/20] {Limited to 3 stones} Gem gacha💎Black star sapphire (including 12-ray star) loose stone from Bangkacha, Thailand

[On sale from 10pm on 4/20] {Limited to 3 stones} Gem gacha💎Black star sapphire (including 12-ray star) loose stone from Bangkacha, Thailand Sale price¥6,980
【さくらシェイプ】タンザニア産カラーチェンジサファイア 7.1mm/1.667ctルース

[On sale from 10pm on 4/20] [Sakura Shape] Tanzanian Color Change Sapphire 7.1mm/1.667ct Loose Sale price¥29,800
サファイア 4.096ctルース

[On sale at 10pm on 4/20] [Cat cut] Sapphire 4.096ct loose stone Sale price¥19,800
マダガスカル産ヴァイオレットサファイア 0.462ctルース

[On sale at 10pm on 4/12] Madagascar Violet Sapphire 4.6mm/0.462ct Loose Sale price¥9,800
ヴァイオレットサファイア 0.265ctルース

[On sale at 10pm on 4/15] Violet sapphire 3.9mm/0.265ct loose stone Sale price¥8,800
ヴァイオレットサファイア 0.300ctルース

[On sale at 22:00 on 4/15] Madagascar Violet Sapphire 4.0mm/0.300ct Loose Sale price¥8,800
ブルーサファイア 1.162ctルース

[On sale from 10pm on 4/15] Sri Lankan blue sapphire 1.162ct loose stone (rainbow inclusions) Sale price¥15,800
ブルーサファイア 0.816ctルース

[On sale from 10pm on 4/15] Sri Lankan blue sapphire 0.816ct loose stone (rainbow inclusions) Sale price¥11,000
ブルーサファイア 0.827ctルース

[On sale at 10pm on 4/15] Sri Lankan blue sapphire 0.827ct loose stone Sale price¥12,800
マダガスカル産パープルサファイア 0.315ctルース

[On sale from 10pm on 4/16] 0.315ct loose purple sapphire from Madagascar Sale price¥12,800
モンタナサファイア 0.275ctルース

[On sale at 10pm on 4/13] Montana Sapphire 0.275ct Loose (Blue Sapphire) Sale price¥8,800
モンタナサファイア 0.217ctルース

[On sale at 10pm on 4/13] Montana Sapphire 0.217ct Loose (Blue Sapphire) Sale price¥8,800
ピンクスターサファイア 0.391ctルース

[On sale 4/4 at 10pm] Sri Lankan pink star sapphire 0.391ct loose stone Sale price¥12,800
ピンクスターサファイア 0.270ctルース

[On sale 4/4 at 10pm] Sri Lankan pink star sapphire 0.270ct loose stone Sale price¥12,800
ロイヤルブルーサファイア 1.340ctルース

[On sale at 22:00 on 3/30] Royal Blue Sapphire 1.340ct Loose AIGS Sale price¥89,800
K18PG ブラジル産カラーシフトアメジスト・ハックマナイト・ピンクサファイアリング

[On sale from 10pm on 4/5] K18PG Brazilian color shift amethyst, hackmanite and pink sapphire ring Sale price¥79,800
ブルーサファイア 3.9mm/0.280ctルース

[On sale 4/2 at 10pm] Blue sapphire 3.9mm/0.280ct loose stone 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
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
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
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
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
[On sale from 22:00 on 3/8] {Limited to 25 stones} 1 unheated Yogo sapphire rough stone {Multiple purchase discounts available}

[On sale from 22:00 on 3/8] {Limited to 25 stones} 1 unheated Yogo sapphire rough stone {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
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 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
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
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
カラーチェンジサファイア 0.265ctルース

[On sale 3/19 at 10pm] Color change sapphire 0.265ct loose stone Sale price¥18,800
バイカラーサファイア 0.244ctルース

[On sale at 22:00 on March 19th] Bicolor sapphire 0.244ct loose stone Sale price¥15,800
バイカラーサファイア 0.180ctルース

[On sale at 22:00 on March 19th] Bicolor sapphire 0.180ct loose stone Sale price¥12,800
バイカラーサファイア 0.246ctルース

[On sale at 22:00 on March 19th] Bicolor sapphire 0.246ct loose stone Sale price¥15,800
バイカラーサファイア 0.225ctルース

[On sale 3/25 at 10pm] Bicolor sapphire 0.225ct loose stone Sale price¥15,800
バイカラーサファイア 0.203ctルース

[On sale at 22:00 on 3/25] Bicolor sapphire 0.203ct loose stone Sale price¥14,800
バイカラーサファイア 0.080ctルース

[On sale 3/24 22:00] Bicolor sapphire 0.080ct loose stone Sale price¥8,800
バイカラーサファイア 0.140ctルース

[On sale 22/3 at 10pm] Bicolor sapphire 0.140ct loose stone Sale price¥8,800
バイカラーサファイア 0.480ctルース

[On sale 22/3 at 10pm] Bicolor sapphire 0.480ct loose stone Sale price¥28,800
バイカラーサファイア 0.404ctルース

[On sale 3/26 at 10pm] Bicolor sapphire 0.405ct loose stone Sale price¥25,800
バイカラーサファイア 0.404ctルース

[On sale 3/26 at 10pm] Bicolor sapphire 0.404ct loose stone Sale price¥39,800

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Bicolor Fluorite 6.1mm/0.869ct Loose Stone

Bicolor Fluorite 6.1mm/0.869ct Loose Stone Sale price¥6,980
Sold out [Sales end on Friday, April 18th] TV anime "I went to a blind date and there were no women" x KARATZ collaboration pair image rings Suou x Tokiwa image

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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