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DETAILS & MATERIALS

The customizable 18k diamond engagement ring is designed to celebrate your unique love story. Crafted from exquisite 18k rose gold, this ring is not just a piece of jewelry; it is a beautiful representation of your life together. Each diamond added symbolizes a year, a memory, or a significant chapter in your journey. As time goes on, the ring grows along with your relationship, making it a truly personalized treasure.

In addition to its stunning appearance, this customizable 18k diamond engagement ring is meticulously handmade in Portugal by skilled artisans who take pride in their craftsmanship. You can choose the number of diamonds to incorporate into the ring, allowing you to customize it to match your personal narrative. With every new diamond added each year, you can celebrate your shared memories and milestones, creating a timeless piece that evolves together.

Imagine the joy of celebrating anniversaries with a ring that expands and reflects your journey. This ring is more than a token of love; it is a growing symbol of commitment and the memories made along the way. Its soft yet strong tones highlight the affection contained within, making it a perfect choice for those looking to express their love in a meaningful way. The customizable 18k diamond engagement ring is part of an exclusive wedding collection that captures the essence of love and personal connection.

Order now and start building your personal story with our customizable 18k diamond engagement ring, a masterpiece tailored for the love of your life.
INFORMATION

18k Gold Crafted in solid 18k gold, this piece is made to last a lifetime — and beyond. Wear it every day, everywhere, without limitations. 

Diamonds Every diamond selected by CINCO is chosen for its clarity and brilliance — natural mined stones that elevate each piece to another level. Set by hand in Portugal by artisans with decades of experience.

Made in Portugal Designed and handcrafted in Portugal with our expertise and unique craftsmanship. All CINCO pieces are hallmarked for authenticity and certified by the INCM (where applicable).

The value of gold fluctuates daily. Check the current gold price here.

SIZE & FIT

gemstones 17 diamonds size 1.50 mm carat 0.26 ct finish polished weight 1.80 gr size 14, 15, 16 or 17 metal 18k yellow gold  finish polished weight 3.3 gr the number of diamonds can be set individually

JEWELRY TO LAST A LIFETIME

CERTIFIED INCM

FAQs

Please read our FAQs page to find out more.

How long will my order take to arrive?

Orders are usually prepared within 1–2 business days. Once your order has been dispatched, you’ll receive an email with tracking details. Delivery times vary by destination and will be shown at checkout. Personalized/ Engraved and On-Demand pieces may require additional preparation time, as indicated on the product page.

Can I return my order?

Yes. You may return your order within 14 days of delivery, provided the pieces are unworn, unaltered and returned in their original condition. You can use your preferred tracked courier or ask us to arrange a return service, with the cost deducted from your refund. Once your return reaches us, please allow 7–10 business days for the refund to be processed.

Does CINCO jewelry have a warranty?

Yes. Every CINCO piece is covered by a 3-year warranty from the date of delivery against manufacturing defects. Your invoice and order number serve as proof of warranty. The warranty does not cover loss, accidental damage, improper use, normal wear or the natural fading of gold plating. If you experience an issue, contact us with your order number and photos so our team can assess the piece.