














Red Coral from Kochi Prefecture (6.833ct Loose Stone)
Coral comes in a variety of colors such as pink, white, red, and black, and is used not only in jewelry but also in obi clips and seals. It is a gemstone that can be found in Japan, and is also the birthstone for March in Japan. Due to a play on words, it is sometimes given as a commemorative stone for 35th wedding anniversaries or as a gift for childbirth. This is red coral from Kochi Prefecture.
・Type: Loose stone (natural stone)
・Stone name: Sango (Coral)
・Weight: 6.833ct
・Size: 16.2×12.0㎜
・Shape: Cabochon cut
・Scratches/Chips: S
・Inclusions: ー
・Remarks: ---
・Accessories: Karatz quality guarantee, loose stone case (if it doesn't fit, a clear zip case)
※ While we strive to make the photos the same color as the actual product, due to the lighting conditions during shooting and your monitor environment, the actual product may look slightly different. Also, some photos may have been taken using a penlight.
※ For information on scratches, chips, treatments, and inclusions, please see here.
※ For other frequently asked questions, please see here.
karatz_item_id: 12561717
Choose options







![[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/2026-06-0412.31.27.png?v=1780543913&width=1282)





















![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/P4130575.jpg?v=1776126091&width=4000)
![[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery](http://store.karatz.jp/cdn/shop/files/collage_c90ad5e1-b47a-49f9-b7d7-d75e04cd883a.png?v=1724920180&width=2000)
