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Coral

Coral is the birthstone for March. It is a gemstone made from coral insects that live under the sea. Colors vary depending on the type, including red, pink, orange, and white. Red coral is also known to be found in the waters around Japan. The coral from Kochi Prefecture is especially famous, and the dark-colored coral is called blood red coral and is prized.

Karatz GemMagazine
" Coral "

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Kochi Prefecture Blood Red Coral Loose (6-8mm / damaged by water pressure during retrieval) "Multiple purchase discount available"

Kochi Prefecture Blood Red Coral Loose (6-8mm / damaged by water pressure during retrieval) "Multiple purchase discount available" Sale price¥12,800
Kochi Prefecture Blood Red Coral Loose (6-8mm / damaged by water pressure during retrieval) "Multiple purchase discount available"

Kochi Prefecture Blood Red Coral Loose (6-8mm / damaged by water pressure during retrieval) "Multiple purchase discount available" Sale price¥8,800
高知県産血赤珊瑚 1.593ctルース

Kochi Prefecture oxblood coral 1.593ct loose Sale price¥9,800
高知県産血赤珊瑚 10.209ctルース

Kochi Prefecture Aka Sango (Red Coral) 10.209ct Loose Stone Sale price¥29,800
高知県産血赤珊瑚 7.815ctルース

Kochi Prefecture deep red coral 7.815ct loose gemstone Sale price¥42,800
高知県産血赤珊瑚 4.485ctルース

[Sales start July 13, 10 PM] Kochi Prefecture red coral 4.485 ct loose stone Sale price¥98,000
高知県産血赤珊瑚 1.348ctルース

【Sales Start: July 18, 10 PM JST】Kochi Prefecture Blood Red Coral 1.348ct Loose Stone Sale price¥12,800
高知県産血赤珊瑚 1.063ctルース

[Sale starts 10 PM, July 17th] High-Grade Red Coral (Kochi Prefecture) 1.063ct Loose Stone Sale price¥12,800
高知県産血赤珊瑚 1.290ctルース

[Sales begin 10 PM on July 18] Kochi Prefecture blood coral, 1.290 ct loose stone Sale price¥12,800
高知県産血赤珊瑚 1.087ctルース

[On sale July 16th at 10 PM] Kochi Prefecture produced oxblood coral, 1.087ct loose gemstone Sale price¥12,800
高知県産血赤珊瑚 1.001ctルース

[On sale July 18, 10 PM JST] Kochi Prefecture Blood Coral 1.001ct Loose Stone Sale price¥12,800
高知県産血赤珊瑚 1.446ctルース

[Sales begin July 21st, 10 PM] Kochi Prefecture Harvested Red Coral 1.446ct Loose Stone Sale price¥12,800
高知県産血赤珊瑚 1.119ctルース

[On sale July 21st, 10 PM JST] Kochi Prefecture natural red coral 1.119ct loose stone Sale price¥11,800
高知県産血赤珊瑚 1.321ctルース

【7/26 22時販売】高知県産血赤珊瑚 1.321ctルース Sale price¥9,800
高知県産血赤珊瑚 1.128ctルース

【7/26 22時販売】高知県産血赤珊瑚 1.128ctルース Sale price¥9,800
高知県産血赤珊瑚 1.439ctルース

【7/26 22時販売】高知県産血赤珊瑚 1.439ctルース Sale price¥9,800
高知県産血赤珊瑚 0.978ctルース

【7/26 22時販売】高知県産血赤珊瑚 0.978ctルース Sale price¥9,800
高知県産血赤珊瑚 1.585ctルース

Kochi Prefecture Blood Coral 1.585ct Loose Gemstone Sale price¥9,800
[Sale starts 6/5 at 10 PM JST] 《Limited to 25 sets》Kochi Prefecture Red Coral Branch (Raw Wood) and 2 Loose Stones Set (March Birthstone, Coral) 《Multiple Purchase Discount Available》

[Sale starts 6/5 at 10 PM JST] 《Limited to 25 sets》Kochi Prefecture Red Coral Branch (Raw Wood) and 2 Loose Stones Set (March Birthstone, Coral) 《Multiple Purchase Discount Available》 Sale price¥6,980
[On sale May 23rd, 10 PM] "Limited 7 Stones" Kochi Prefecture Blood Coral Loose Gemstones (Oval Cut, 4x6~7mm) "Multi-purchase discount available"

[On sale May 23rd, 10 PM] "Limited 7 Stones" Kochi Prefecture Blood Coral Loose Gemstones (Oval Cut, 4x6~7mm) "Multi-purchase discount available" Sale price¥3,980
《Limited to 11 stones》Garnet Coral (Deep Sea Coral) Branch (Raw Stone) 1 stone (March birthstone, coral, average 23ct)《Bulk purchase discount available》

《Limited to 11 stones》Garnet Coral (Deep Sea Coral) Branch (Raw Stone) 1 stone (March birthstone, coral, average 23ct)《Bulk purchase discount available》 Sale price¥7,980
[Sale starts May 24th, 10 PM JST] 9 Limited Edition Kochi Prefecture Red Coral Branches (Rough) (1 Piece) (March Birthstone, Coral, average 6.5ct) (Multiple purchase discount available)

[Sale starts May 24th, 10 PM JST] 9 Limited Edition Kochi Prefecture Red Coral Branches (Rough) (1 Piece) (March Birthstone, Coral, average 6.5ct) (Multiple purchase discount available) Sale price¥6,980
[Sale on June 19th at 10 PM] "Limited to 20 pieces" Kochi Prefecture Blood Coral Branch (raw, unworked) 1 piece (March birthstone, coral, average 5.8ct) "Discounts for multiple purchases available"

[Sale on June 19th at 10 PM] "Limited to 20 pieces" Kochi Prefecture Blood Coral Branch (raw, unworked) 1 piece (March birthstone, coral, average 5.8ct) "Discounts for multiple purchases available" Sale price¥6,980
[Available June 20th at 10 PM] Limited to 21 pieces - Kochi Prefecture Blood Coral Branch (rough) 1 stone (March birthstone, coral, average 4.7ct) - Multiple purchase discount available

[Available June 20th at 10 PM] Limited to 21 pieces - Kochi Prefecture Blood Coral Branch (rough) 1 stone (March birthstone, coral, average 4.7ct) - Multiple purchase discount available Sale price¥5,980
高知県産血赤珊瑚 2.340ctルース

[Sale starts June 13th at 10 PM] Kochi Prefecture Blood Coral 2.340ct Loose Stone Sale price¥19,800
高知県産血赤珊瑚 2.294ctルース

[Sale on June 13 at 10 PM] Kochi Prefecture Red Coral Loose Stone 2.294ct Sale price¥19,800
高知県産血赤珊瑚 2.187ctルース

[Sales start 10 PM on June 8th] High-Grade Red Coral from Kochi Prefecture, 2.187ct Loose Stone Sale price¥19,800
高知県産血赤珊瑚 1.975ctルース

【Sales Start: June 8th, 10 PM JST】Kochi Prefecture-produced Red Coral, 1.975ct Loose Stone Sale price¥18,800
高知県産血赤珊瑚 6.520ct原石

【On sale June 13th at 10 PM】Kochi Prefecture Red Coral Rough Stone 6.520ct Sale price¥8,800
高知県産血赤珊瑚 16.659ct原石

[On Sale June 8th at 10 PM] Kochi Prefecture Blood Coral 16.659ct Branch (Raw Material) Sale price¥18,800
K18 血赤珊瑚 ペンダントトップ（ネックレストップ）

[Available 5/23 10 PM] Colorful K18 Blood Coral 9.9mm Diamond Pendant Top (Necklace Top) with Certificate of Authenticity Sale price¥158,000
K18 血赤珊瑚 ペンダントトップ（ネックレストップ）

[Karafuru] K18 Blood Coral 7.0mm Ring with Appraisal Report Sale price¥98,000
K18WG 血赤珊瑚 0.19ct ブローチ

[Colorful] K18WG Blood Coral and Diamond (0.19ct) Brooch with certificate Sale price¥398,000
Sold out Kochi Prefecture Blood Red Coral Loose (6-8mm / damaged by water pressure during retrieval) "Multiple purchase discount available"

Kochi Prefecture Blood Red Coral Loose (6-8mm / damaged by water pressure during retrieval) "Multiple purchase discount available"

Sold out Limited to 18 items: Deep-sea Coral Branch (raw wood), 1 stone (March birthstone, coral, average 18ct) (bulk purchase discount available)

Limited to 18 items: Deep-sea Coral Branch (raw wood), 1 stone (March birthstone, coral, average 18ct) (bulk purchase discount available)

Sold out 《Limited to 12 Stones》Kochi Prefecture Blood Coral Branch (Raw Coral) 1 Stone (March Birthstone, Coral, average 5.3ct)《Bulk Purchase Discount Available》

《Limited to 12 Stones》Kochi Prefecture Blood Coral Branch (Raw Coral) 1 Stone (March Birthstone, Coral, average 5.3ct)《Bulk Purchase Discount Available》

Sold out [On Sale April 18th, 10 PM JST] [Limited 9 Stones] Tosa Blood Coral Branch (Raw Coral) 1 Stone (March Birthstone, Coral, Average 7ct) [Bulk Purchase Discount Available]

[On Sale April 18th, 10 PM JST] [Limited 9 Stones] Tosa Blood Coral Branch (Raw Coral) 1 Stone (March Birthstone, Coral, Average 7ct) [Bulk Purchase Discount Available]
Sold out Midway coral branch (raw wood) 1 piece (March birthstone, coral, average 26ct, Midway coral) 《Multiple purchase discount available》

Midway coral branch (raw wood) 1 piece (March birthstone, coral, average 26ct, Midway coral) 《Multiple purchase discount available》
Sold out 《Limited to 4 stones》Kochi Prefecture Blood Red Coral Branch (Raw Wood) 1 stone (March birthstone, coral, average 7.2ct) 《Multiple purchase discount available》

《Limited to 4 stones》Kochi Prefecture Blood Red Coral Branch (Raw Wood) 1 stone (March birthstone, coral, average 7.2ct) 《Multiple purchase discount available》
Sold out "Limited to 9" Deep sea coral loose stone (March birthstone, coral, 7mm) "Multiple purchase discount available"

"Limited to 9" Deep sea coral loose stone (March birthstone, coral, 7mm) "Multiple purchase discount available"
Sold out K18血赤珊瑚ペンダント（ネックレス） - カラッツSTORE

K18 blood red coral pendant (necklace)

Sold out K18血赤珊瑚0.37ct リング - カラッツSTORE

K18 blood red coral 0.37ct ring

Sold out 高知県産血赤珊瑚 20.726ct原石

[On Sale 6/8, 10 PM JST] Kochi Prefecture Harvested Red Coral 20.726ct Branch (Raw Material)
Sold out 高知県産血赤珊瑚 6.351ctルース

Kochi Prefecture oxblood coral 6.351ct loose
Sold out 【22602551掲載】K18 血赤珊瑚 0.56ct リング

K18 Blood Coral from Kochi Prefecture (0.56ct), Diamond (0.08ct) Ring
Sold out K18 Red Coral from Kochi Prefecture (0.41ct), Diamond (0.03ct) Ring

K18 Red Coral from Kochi Prefecture (0.41ct), Diamond (0.03ct) Ring
Sold out Red coral (coral) 1.467ct loose stone

Red coral (coral) 1.467ct loose stone
Sold out Red coral (coral) 1.406ct loose stone

Red coral (coral) 1.406ct loose stone

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.