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 "

【9/3 22時販売】高知県産血赤珊瑚 1.336ctルース Sale price¥9,800

【9/3 22時販売】高知県産血赤珊瑚 1.235ctルース Sale price¥9,800

[Sales begin August 24 at 10 PM JST] 0.830ct Red Coral Loose Stone from Kochi Prefecture Sale price¥9,800

[Sales begin 8/24 22:00] Kochi Prefecture Produced Deep Red Coral 0.984ct Loose Stone Sale price¥9,800

[On sale August 24th at 10 PM] Kochi Prefecture Red Coral 1.370ct Loose Stone Sale price¥11,800

[On sale August 24th at 10 PM] Kochi Prefecture Blood Coral 0.939ct Loose Stone Sale price¥9,800

Kochi Prefecture Aka Coral 4.627ct Loose Gemstone Sale price¥22,800

[Published as 12564054] Kochi Prefecture Coral 8.132ct Loose Stone Sale price¥69,800

《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

《Limited 9 Stones》Kochi Prefecture Blood Coral Branch (Raw Wood) 1 Stone (March Birthstone, Coral, Average 6.5ct) 《Multiple Purchase Discount Available》 Sale price¥6,980

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

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

《Limited to 21 pieces》Kochi Prefecture Blood Red Coral Branch (Raw Wood) 1 piece (March Birthstone, Coral, average 4.7ct) 《Multiple purchase discount available》 Sale price¥5,980

《Limited to 20 Pieces》High-Quality Red Coral Branch (Raw Material) from Kochi Prefecture, 1 Piece (March Birthstone, Coral, Average 5.8ct)《Multiple Purchase Discount Available》 Sale price¥6,980

Kochi Prefecture Aka Sango (Red Coral) 1.439ct Loose Stone Sale price¥9,800

Kochi Prefecture-produced red coral 0.978ct loose stone Sale price¥9,800

Kochi Prefecture Aka珊瑚 (Red Coral) 1.128ct Loose Stone Sale price¥9,800

【Sales begin August 12, 10 PM JST】Kochi Prefecture-produced Oxblood Coral 0.908ct Loose Stone Sale price¥9,800

[Sale on 8/16 at 10 PM] Kochi Prefecture Blood Coral 1.400ct Loose Stone Sale price¥9,800

Kochi Prefecture-sourced deep red coral, 1.238ct loose stone Sale price¥9,800

[Sale on August 19 at 10 PM] Kochi Prefecture produced "blood red" coral 1.450 ct loose gemstone Sale price¥9,800

Kochi Prefecture Blood Coral 1.286ct Loose Stone Sale price¥9,800

Kochi Prefecture-produced Red Coral 1.379 ct Loose Stone Sale price¥11,800

Kochi Prefecture-produced red coral 1.321ct loose stone Sale price¥9,800

Kochi Prefecture Deep-Red Coral 1.446ct Loose Gemstone Sale price¥12,800

Red Coral from Kochi Prefecture, 1.119ct Loose Stone Sale price¥11,800

Kochi Prefecture oxblood coral 1.001ct loose gemstone Sale price¥12,800

Kochi Prefecture Deep Red Coral 1.290ct Loose Gemstone Sale price¥12,800

Kochi Prefecture-produced red coral 1.063ct loose gemstone Sale price¥12,800

Kochi Prefecture produced oxblood coral 1.087ct loose gemstone Sale price¥12,800

Kochi Prefecture-produced red coral (Boke) 4.485ct loose gemstone Sale price¥98,000

Kochi Prefecture deep red coral 7.815ct loose gemstone Sale price¥42,800

Kochi Prefecture oxblood coral 1.593ct loose Sale price¥9,800

Kochi Prefecture Blood Coral 1.585ct Loose Gemstone Sale price¥9,800

Kochi Prefecture Aka Sango (Red Coral) 10.209ct Loose Stone Sale price¥29,800

Kochi Prefecture Blood Coral 2.340ct Loose Sale price¥19,800

Kochi Prefecture Blood Coral 2.294ct Loose Sale price¥19,800

Kochi Prefecture red coral 2.187ct loose Sale price¥19,800

Kochi Prefecture Deep Red Coral 1.975ct Loose Stone Sale price¥18,800

Uncut Kochi Prefecture Blood Coral 6.520ct Sale price¥8,800

Kochi Prefecture Natural Red Coral, 16.659 ct, Branch (Raw Material) Sale price¥18,800

[Calafri] K18 Blood Coral 9.9mm Diamond Pendant Top (Necklace Top) with Certificate of Authenticity Sale price¥158,000

[Karafuru] K18 Blood Coral 7.0mm Ring with Appraisal Report Sale price¥98,000

[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"

Sold out

"Limited to 25 Sets" Kochi Prefecture Red Coral Branch (Raw Coral) & 2 Stone Loose Coral Set (March Birthstone, Coral) "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)

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》

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.