Blue Lock, Jewelry Brand KARATZ Launch Collaborative Collection, Features 3 Jewelry Styles with Gemstones Inspired by Signature Colors of 10 Characters
Blue Lock and Jewelry Brand KARATZ Launch
Collaborative Collection
Features 3 jewelry styles with gemstones
inspired by the signature colors of 10 characters
Tokyo, Japan – July 29, 2025 – BEENOS Inc. announced the global release of a limited-edition jewelry collection born from a collaboration between Blue Lock, the hit soccer anime, and KARATZ, a fine jewelry brand specializing in ethically sourced gemstones. The exclusive line is available to international fans through Buyee's cross-border shopping service.
The 30-piece collection features three distinctive jewelry styles—two rings and an ear cuff—each infused with Blue Lock's signature design motifs. Every item comes in ten unique variations, with colored gemstones chosen to reflect the personality and spirit of 10 of the anime's characters. The use of blue sapphire and blue chalcedony across the line pays homage to the anime's base palette.
Each item includes a premium jewelry box and a collectible illustration card, making these elegant pieces a must- have for fans who want to wear their favorite striker's ego with pride.
Product page : https://store.karatz.jp/en/collections/Blue Lock
Sales end: Sunday, August 31, 2025, at 11:59 p.m. (JST)
Note: Sales may close earlier if stock runs out.
About the Blue Lock × KARATZ collaboration
KARATZ is a Japanese online jewelry brand known for its refined sourcing of gemstones from around the world.
Each stone is carefully curated by expert gemologists and handcrafted into exquisite accessories by seasoned
artisans. Through collaborations with beloved anime series, KARATZ brings pop culture fans collectible, high-end
jewelry that blends storytelling and sophistication.
In this collaboration, Blue Lock's intense competitive spirit and character-driven drama are distilled into three elegant
designs:
• The Mark Ring, with the Blue Lock logo and character-colored accent stones
• The Chain Ring, engraved with a character's name and accented by a blue sapphire and logo charm
• The Lock Ear Cuff, embodying the concept of locking in one's ego, adorned with gems and etched with the character's name
Each piece features a blue gemstone—either blue chalcedony or sapphire—as a nod to Blue Lock's central color theme, complemented by a second stone representing the featured character's essence.
All items come with an exclusive display box and a guarantee card featuring the character's illustration, offering fans a stylish, high-quality tribute to the world of Blue Lock.
Product Details
Expected delivery date: The first production run will be about one week after your order. If the first production run is reached, it will be changed to around late November. (Both dates may be earlier or later.)
■ Mark Ring
A bold design centered around a deep blue chalcedony stone—mirroring the Blue Lock logo—flanked by two brilliant accent stones in the character's color. The name is engraved on the band for a personal touch fans will recognize.
• Stones used:
o Blue Chalcedony (approx. 7mm) ×1
o Character-colored gemstone (approx. 2mm) ×2
• Material: Silver (SV925, rhodium-plated)
• Sizes: Japanese sizes 7–25 (whole sizes only)
• Dimensions:
o Front width: approx. 8.1mm
o Band width: approx. 2.1mm
• Price: ¥22,800 (tax included)
■ Chain Ring
Understated and expressive, this ring features a fine silver band engraved with the character's name, accented by a colored gemstone and a dangling logo charm with blue sapphire. It adds movement, personality, and story to every gesture.
• Stones used:
o Blue Sapphire (approx. 1.2mm) ×1
o Character-colored gemstone (approx. 1.2mm) ×1
• Material: Silver (SV925, rhodium-plated)
• Sizes: Japanese sizes 7–25
• Dimensions:
o Motif: approx. 4.3mm
o Chain width: approx. 1.5mm
o Band width: approx. 1.9mm
• Price: ¥16,500 (tax included)
■ Lock Ear Cuff (Single)
A sleek ear cuff that channels the concept of ego-locking at the heart of Blue Lock. With sapphires on the front and back and a character-colored gemstone and name engraved along the side, it's a bold yet subtle piece of wearable fandom.
• Stones used:
o Blue Sapphire (approx. 1.2mm) ×2
o Character-colored gemstone (approx. 1.2mm) ×1
• Material: Silver (SV925, rhodium-plated)
• Size: One-size-fits-all
o H: approx. 17.5mm
o W: approx. 15.7mm
o Thickness: approx. 2.0mm
• Price: ¥11,000 (tax included, sold individually)
Characters and Their Gemstone Colors
Character Gemstone Color
Yoichi Isagi Green Garnet
Rin Itoshi Apatite
Seishiro Nagi Black Spinel
Kenyu Yukimiya Orange Garnet
Kageya Otoya Peridot
Tabito Karasu Iolite
Meguru Bachira Yellow Sapphire
Hyoma Chigiri Pink Tourmaline
Reo Mikage Amethyst
Shido Hyōri Sky Blue Topaz
[Guarantee card]
All items come with the original guarantee card.
The guarantee card is not random. It will be based on the character of the item you purchased.
Size: 55mm x 91mm
[Jewelry case]
A specially made jewelry case is included with each jewelry purchase.
Size: Approx. 9cm x 9cm
How to Purchase
1. Access the product URL.
2. A Buyee banner and a dedicated linked cart will appear.
3. Add the item to the cart on the selling EC site.
4. Select "Add Item" in the Buyee cart.
5. Proceed to purchase by clicking "Buy Now".
Note: If the Buyee cart does not appear on the selling site's cart page, return to the product page and add the item to the Buyee cart again.
[About BEENOS]
Company Name: BEENOS Inc.
Address: 7F, Gotanda JP Building, 8-4-13 Nishi-Gotanda, Shinagawa-ku, Tokyo, Japan
Business: Various E-Commerce Businesses in Japan and overseas
Representative: Shota Naoi
Collaborative Collection
Features 3 jewelry styles with gemstones
inspired by the signature colors of 10 characters
Tokyo, Japan – July 29, 2025 – BEENOS Inc. announced the global release of a limited-edition jewelry collection born from a collaboration between Blue Lock, the hit soccer anime, and KARATZ, a fine jewelry brand specializing in ethically sourced gemstones. The exclusive line is available to international fans through Buyee's cross-border shopping service.
The 30-piece collection features three distinctive jewelry styles—two rings and an ear cuff—each infused with Blue Lock's signature design motifs. Every item comes in ten unique variations, with colored gemstones chosen to reflect the personality and spirit of 10 of the anime's characters. The use of blue sapphire and blue chalcedony across the line pays homage to the anime's base palette.
Each item includes a premium jewelry box and a collectible illustration card, making these elegant pieces a must- have for fans who want to wear their favorite striker's ego with pride.
Product page : https://store.karatz.jp/en/collections/Blue Lock
Sales end: Sunday, August 31, 2025, at 11:59 p.m. (JST)
Note: Sales may close earlier if stock runs out.
About the Blue Lock × KARATZ collaboration
KARATZ is a Japanese online jewelry brand known for its refined sourcing of gemstones from around the world.
Each stone is carefully curated by expert gemologists and handcrafted into exquisite accessories by seasoned
artisans. Through collaborations with beloved anime series, KARATZ brings pop culture fans collectible, high-end
jewelry that blends storytelling and sophistication.
In this collaboration, Blue Lock's intense competitive spirit and character-driven drama are distilled into three elegant
designs:
• The Mark Ring, with the Blue Lock logo and character-colored accent stones
• The Chain Ring, engraved with a character's name and accented by a blue sapphire and logo charm
• The Lock Ear Cuff, embodying the concept of locking in one's ego, adorned with gems and etched with the character's name
Each piece features a blue gemstone—either blue chalcedony or sapphire—as a nod to Blue Lock's central color theme, complemented by a second stone representing the featured character's essence.
All items come with an exclusive display box and a guarantee card featuring the character's illustration, offering fans a stylish, high-quality tribute to the world of Blue Lock.
Product Details
Expected delivery date: The first production run will be about one week after your order. If the first production run is reached, it will be changed to around late November. (Both dates may be earlier or later.)
■ Mark Ring
A bold design centered around a deep blue chalcedony stone—mirroring the Blue Lock logo—flanked by two brilliant accent stones in the character's color. The name is engraved on the band for a personal touch fans will recognize.
• Stones used:
o Blue Chalcedony (approx. 7mm) ×1
o Character-colored gemstone (approx. 2mm) ×2
• Material: Silver (SV925, rhodium-plated)
• Sizes: Japanese sizes 7–25 (whole sizes only)
• Dimensions:
o Front width: approx. 8.1mm
o Band width: approx. 2.1mm
• Price: ¥22,800 (tax included)
■ Chain Ring
Understated and expressive, this ring features a fine silver band engraved with the character's name, accented by a colored gemstone and a dangling logo charm with blue sapphire. It adds movement, personality, and story to every gesture.
• Stones used:
o Blue Sapphire (approx. 1.2mm) ×1
o Character-colored gemstone (approx. 1.2mm) ×1
• Material: Silver (SV925, rhodium-plated)
• Sizes: Japanese sizes 7–25
• Dimensions:
o Motif: approx. 4.3mm
o Chain width: approx. 1.5mm
o Band width: approx. 1.9mm
• Price: ¥16,500 (tax included)
■ Lock Ear Cuff (Single)
A sleek ear cuff that channels the concept of ego-locking at the heart of Blue Lock. With sapphires on the front and back and a character-colored gemstone and name engraved along the side, it's a bold yet subtle piece of wearable fandom.
• Stones used:
o Blue Sapphire (approx. 1.2mm) ×2
o Character-colored gemstone (approx. 1.2mm) ×1
• Material: Silver (SV925, rhodium-plated)
• Size: One-size-fits-all
o H: approx. 17.5mm
o W: approx. 15.7mm
o Thickness: approx. 2.0mm
• Price: ¥11,000 (tax included, sold individually)
Characters and Their Gemstone Colors
Character Gemstone Color
Yoichi Isagi Green Garnet
Rin Itoshi Apatite
Seishiro Nagi Black Spinel
Kenyu Yukimiya Orange Garnet
Kageya Otoya Peridot
Tabito Karasu Iolite
Meguru Bachira Yellow Sapphire
Hyoma Chigiri Pink Tourmaline
Reo Mikage Amethyst
Shido Hyōri Sky Blue Topaz
[Guarantee card]
All items come with the original guarantee card.
The guarantee card is not random. It will be based on the character of the item you purchased.
Size: 55mm x 91mm
[Jewelry case]
A specially made jewelry case is included with each jewelry purchase.
Size: Approx. 9cm x 9cm
How to Purchase
1. Access the product URL.
2. A Buyee banner and a dedicated linked cart will appear.
3. Add the item to the cart on the selling EC site.
4. Select "Add Item" in the Buyee cart.
5. Proceed to purchase by clicking "Buy Now".
Note: If the Buyee cart does not appear on the selling site's cart page, return to the product page and add the item to the Buyee cart again.
[About BEENOS]
Company Name: BEENOS Inc.
Address: 7F, Gotanda JP Building, 8-4-13 Nishi-Gotanda, Shinagawa-ku, Tokyo, Japan
Business: Various E-Commerce Businesses in Japan and overseas
Representative: Shota Naoi
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