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Engagement ring 18K gold

An 18K gold engagement ring is a symbol of love that lasts a lifetime. With the perfect balance of durability and elegance, 18K gold enhances the brilliance of any diamond, making it a timeless choice for those looking to mark one of life’s most meaningful moments. 

At Royal Coster Diamonds, we understand that choosing an engagement ring is a very personal decision. Whether you prefer a classic yellow gold, sophisticated white gold, or romantic rose gold ring, we are here to assist you toward the perfect ring that reflects your love story. 

Why choose an 18k gold engagement ring?

Gold has been used in fine jewelry for centuries, but 18K gold is the ideal choice for engagement rings because it is both luxurious and long-lasting. While pure gold is too soft for everyday wear, 18K gold—crafted from 75% pure gold and 25% alloy metals—ensures both beauty and durability. 

No matter your preference, there is a perfect shade of 18K gold to complement your style: 

- An 18K yellow gold engagement ring embodies warmth and tradition, enhancing both classic and modern designs. 

- For a soft, romantic touch, an 18K rose gold engagement ring offers a unique and contemporary look. 

- If you prefer a sleek and modern style, an 18K white gold engagement ring provides a refined, polished finish. 

How to choose the right diamond for your ring

The perfect engagement ring is more than just its setting—it is also about the diamond that brings it to life. We help you select the ideal stone based on the 4C’s: 

- Carat – The weight of the diamond, which influences its size and overall presence. 

- Color – While colorless diamonds are highly valued, slightly warmer hues blend beautifully with 18K yellow gold engagement rings. 

- Clarity – Higher clarity ensures fewer inclusions, leading to exceptional sparkle. 

- Cut – The craftsmanship of the cut defines how light reflects within the diamond. Our patented Royal 201 Cut offers unparalleled brilliance with 201 precisely angled facets. 

All of our diamonds are certified by respected institutions like GIA and IGI, ensuring verified authenticity and exceptional quality. 

Design your own bespoke ring in 15-30 minutes

At Royal Coster Diamonds, we offer bespoke rings that reflect your personal style. In just 15 to 30 minutes, you can create a custom ring that perfectly represents your commitment. 

With expert guidance, you can: 

- Choose from a variety of settings, from classic solitaires to intricate vintage designs. 

- Select the ideal diamond shape, carat, and clarity to complement your engagement ring. 

- Add a personal engraving to make your ring even more meaningful. 

If you are looking for a ready-made piece, we also offer a curated collection of engagement rings 18K gold. 

Warranty, resizing, and engraving services

We want you to feel completely confident in your choice. That is why we offer: 

- A 14-day return policy on all non-engraved rings. 

- One complimentary resizing to ensure a perfect fit. 

- Free engraving after the proposal, so you can add a personal touch once your partner says yes. 

Please note that custom-engraved rings cannot be returned, but we will always ensure a flawless fit with free resizing. 

Visit Royal Coster Diamonds and find your perfect ring

Experience Royal Coster Diamonds in person at our boutique at Paulus Potterstraat 6, Amsterdam. Our expert consultants will guide you through our collection to help you find the perfect ring. 

For a personal consultation, book an appointment with one of our specialists. Enjoy a glass of champagne or a freshly brewed coffee while we assist you in selecting the ring that will symbolize your love forever. 

If you are unable to visit in person, we also offer virtual consultations, so you can explore our collection and receive expert advice from anywhere in the world. 

For inquiries or to schedule an appointment, click here or call +31 20 305 5555. Let us help you find the perfect 18K gold engagement ring, so you can walk out with confidence, knowing you have made the right choice. 

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