18k Solid Gold Rainbow Sapphire Cuban Chain Bracelet – 5 mm
£4,248.00
A bold 5 mm Cuban chain bracelet in 18K solid gold, set with a vivid spectrum of natural rainbow sapphires for standout colour and shine.
Bracelet Size Guide
| SIZES | LENGTH (INCHES) | LENGTH (MM) |
| Extra Small (XS) | 5-5.5 | 12.7-14 |
| Small (S) | 5.5-6 | 14-15.2 |
| Medium (M) | 6-6.5 | 15.2-16.5 |
| Large (L) | 6.5-7 | 16.5-17.8 |
| Extra Large (XL) | 7-7.5 | 17.8-19 |
| 2X-Large (2XL) | 7.5-8 | 19-20.3 |
| 3X-Large (3XL) | 8-8.5 | 20.3-21.6 |
Bring immediate impact to your wrist with this Rainbow Sapphire Cuban Chain Bracelet, handcrafted in solid 18K gold with a luxe, chunky Cuban link profile. A kaleidoscope of natural sapphires—rich reds, sunny yellows, ocean blues and fresh greens—creates a striking, conversation-starting finish.
Designed for everyday confidence and lasting wear, the bracelet balances statement style with fine jewellery craftsmanship. With a total sapphire weight of 2.40 CTW, it looks exceptional worn solo or layered with your favourite bangles and chains.
Available in yellow, rose, or white gold, this piece is supplied with a Lab Certificate.
Key Highlights
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Vibrant Rainbow Sapphires: A spectrum of natural sapphires for eye-catching colour.
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Bold Cuban Link Style: Chunky, modern links with a premium 5 mm look.
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Statement Carat Weight: 2.40 CTW total sapphire sparkle for maximum impact.
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Solid 18K Gold Options: Choose yellow, rose, or white gold to suit your style.
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Certified Gemstones: Supplied with a Lab Certificate for added reassurance.
Product Details Summary
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Metal: 18K Solid Gold (Yellow Gold / Rose Gold / White Gold)
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Stone: Natural Sapphires (Rainbow)
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Total Sapphire Carat Weight: 2.40 CTW
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Bracelet Thickness: 5.2 mm
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Bracelet Height: 2.3 mm
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Style: Cuban chain bracelet
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Certification: Lab Certificate
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Shipping Time: 15–25 business days
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Customer Support: Live chat & video call assistance
We offer free shipping across the USA on all orders—no minimum required.
Processing & Handling: 5–10 business days
Shipping Time: 10–15 business days
Total Delivery Time: 15–25 business days from the date of order
Carriers: USPS & UPSÂ
Please inspect your package upon delivery for any damage or tampering before signing.
For assistance, contact us at contact@thekaratstore.uk.
Thank you for shopping with The Karat Store US!
We take pride in offering high-quality jewelry and providing the necessary certifications to ensure your peace of mind. Below is a breakdown of the certification process for each product type:
Lab-Grown Solitaire Jewelry:Â Certified by the International Gemological Institute (IGI)Â for authenticity and quality.
Gemstone Jewelry:Â Accompanied by a detailed Gemologist Report.
- Certified by YGA (Your Gemologist Associatio.
- Optional Certification: For IGI or GIA certification, available upon request. Please note that this comes with a 30-40 day waiting period and an additional charge.
Moissanite Jewelry:Â Certified by the Gemological Research Association (GRA)Â with a comprehensive report.
For more details, Check out our certification information page.
To keep your jewelry from The Karat Store looking its best, follow these simple care tips:
- Clean Regularly: Use a mild soap and water solution, gently scrub with a soft brush, rinse, and dry with a soft cloth.
- Store Safely: Keep your jewelry in a dry place, in a jewelry box or soft pouch, and separate pieces to avoid scratches.
- Avoid Chemicals: Remove jewelry before swimming or using cleaning products to prevent exposure to harsh chemicals.
- Handle with Care: Avoid wearing jewelry during activities that may cause damage, such as exercising or heavy lifting.
- Inspect Periodically: Check for loose stones or worn settings. Contact us for repairs if needed.
By following these tips, you can ensure your 14k gold jewelry remains beautiful for years to come. For any questions, contact us at thekaratstore@gmail.com.

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