About KVL Co., Ltd.
About KVL Co., Ltd. KVL Co., Ltd. is a Japan-based gemstone studio specializing in precision-cut colored gemstones, with a particular focus on proprietary cutting designs developed in-house. Our work centers on the creation of original gemstone cuts that balance optical performance with sculptural beauty. Among them is Radiant Kiriko Cut™, a signature design inspired by traditional Japanese Kiriko glass craftsmanship, reinterpreted through modern precision faceting. Each gemstone is individually selected, studied, and finished with a clear design intent. Rather than p...Read More
KVL Co., Ltd.
Established in 20201stDibs seller since 2025
Featured Pieces
GIA Certified Red Spinel 2.56ct Burma No Heat Oval Loose Gemstone
Located in 足立区, JP
A 2.56 carat GIA-certified natural red spinel from Burma (Myanmar), offered as a loose gemstone.
This spinel is accompanied by a GIA Spinel Origin Report, confirming Burma (Myanmar)...
Category
21st Century and Contemporary Burmese Loose Gemstones
Materials
Spinel
GIA Certified Royal Blue Sapphire 3.69ct Madagascar Cushion Loose Gemstone
Located in 足立区, JP
A 3.69 carat GIA-certified Royal Blue sapphire from Madagascar, offered as a loose gemstone.
This natural sapphire is accompanied by a GIA Sapphire Origin Report, confirming Madagas...
Category
21st Century and Contemporary Loose Gemstones
Materials
Blue Sapphire
Radiant Kiriko Cut Pink Sapphire 1.49 Carats, Custom Precision Cut
Located in 足立区, JP
This 1.49-carat unheated pink sapphire showcases KVL's original **Radiant Kiriko Cut**, a custom precision cut inspired by the refined aesthetics of traditional Edo Kiriko craftsmans...
Category
21st Century and Contemporary Japanese Contemporary Loose Gemstones
Materials
Pink Sapphire
Radiant Kiriko Cut Blue Spinel 0.73 Carats, Custom Precision Cut
Located in 足立区, JP
This 0.73-carat blue spinel features the original **Radiant Kiriko Cut**, a custom precision cut developed by KVL and inspired by the refined aesthetics of traditional Edo Kiriko cra...
Category
21st Century and Contemporary Japanese Contemporary Loose Gemstones
Materials
Spinel
Radiant Kiriko Cut Blue Sapphire 0.96 Carats, Custom Precision Cut
Located in 足立区, JP
This 0.96-carat blue sapphire showcases a rich blue hue enhanced by the distinctive Radiant Kiriko Cut, KVL's original cutting style inspired by the aesthetics of Edo Kiriko. Combini...
Category
21st Century and Contemporary Japanese Contemporary Loose Gemstones
Materials
Blue Sapphire
Radiant Kiriko Cut Mint Garnet 1.25 Carats, Custom Precision Cut
Located in 足立区, JP
This 1.25-carat mint garnet displays a refreshing mint-green hue and lively transparency, enhanced by the distinctive Radiant Kiriko Cut developed by KVL. Inspired by the refined aes...
Category
21st Century and Contemporary Japanese Contemporary Loose Gemstones
Materials
Garnet
Radiant Kiriko Cut Pink Spinel 0.97 Carats, Custom Precision Cut
Located in 足立区, JP
This 0.97-carat pink spinel presents a vibrant yet refined pink hue, brought to life through the Radiant Kiriko Cut, KVL's original cutting style inspired by the aesthetics of Edo Ki...
Category
21st Century and Contemporary Japanese Contemporary Loose Gemstones
Materials
Spinel
Radiant Kiriko Cut Morganite 4.12 Carats, Custom Precision Cut
Located in 足立区, JP
More than a gemstone, this 4.12-carat morganite is an exploration of light. Displaying a delicate light pink hue, it features the Radiant Kiriko Cut, KVL's original cutting style ins...
Category
21st Century and Contemporary Japanese Contemporary Loose Gemstones
Materials
Morganite
Radiant Kiriko Cut Tanzanite 2.12 Carats, Custom Precision Cut
Located in 足立区, JP
This 2.12-carat tanzanite showcases a captivating blend of purple and blue hues, enhanced by the distinctive Radiant Kiriko Cut developed by KVL. Inspired by the refined aesthetics o...
Category
21st Century and Contemporary Japanese Contemporary Loose Gemstones
Materials
Tanzanite
Radiant Kiriko Cut Aquamarine 8.11 Carats, Custom Precision Cut
Located in 足立区, JP
Radiant Kiriko Cut Aquamarine – 8.11 Carats
This natural aquamarine weighs an impressive 8.11 carats and has been fashioned in the distinctive Radiant Kiriko Cut.
Aquamarine is cel...
Category
21st Century and Contemporary Loose Gemstones
Materials
Aquamarine
Radiant Kiriko Cut Red Spinel 0.79 Carat, Custom Precision Cut
Located in 足立区, JP
Radiant Kiriko Cut Red Spinel – 0.79 Carats
This natural red spinel weighs 0.79 carats and is cut in the distinctive Radiant Kiriko Cut.
Spinel is admired for its vivid color and exceptional brilliance, and this gemstone displays a vibrant red tone that is enhanced by the complex geometry of the cut. Inspired by the refined patterns of traditional Japanese Edo Kiriko...
Category
21st Century and Contemporary Japanese Loose Gemstones
Materials
Spinel
Radiant Kiriko Cut Tsavorite Garnet 1.25 Carat, Custom Precision Cut
Located in 足立区, JP
Radiant Kiriko Cut Tsavorite Garnet – 1.25 Carats
This natural tsavorite garnet weighs 1.25 carats and features the distinctive Radiant Kiriko Cut.
Tsavorite is celebrated for its vivid green color and exceptional brilliance. In this gemstone, the Radiant Kiriko Cut enhances these qualities by introducing a complex internal geometry inspired by traditional Japanese Edo Kiriko...
Category
21st Century and Contemporary Loose Gemstones
Materials
Tsavorite
More About KVL Co., Ltd.
Video Loading