Grace | Moissanite
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Castlefield Collection is proud to donate a portion of each order to animal rescue non-profits around the world! Click here to read more.
The Knife-Edge 6 Prong Two-Tone Moissanite Engagement Ring is a sculptural take on a classic. A crisp knife-edge band adds structure, while six white gold claw prongs hold the sparkling center stone securely in place. The yellow gold band provides contrast in this two-tone engagement ring. Designed for long-lasting comfort, it’s a timeless setting built to endure a lifetime of wear.
Stone size shown: 9.5 mm (approx. 3.3 carats)
Band width: 2.5 mm
What are the differences between lab-grown diamonds and moissanite?
Lab-grown diamonds and moissanite are both beautiful, ethical alternatives to mined diamonds, but they’re made of different materials. Lab-grown diamonds are real diamonds, created from pure carbon and identical to mined diamonds in every way except origin. Moissanite is a separate gemstone made from silicon carbide.
Both offer incredible sparkle and durability. Lab diamonds have the classic diamond look, while moissanite offers a slightly different light performance with high brilliance. It comes down to your style, values, and budget.
What are the differences between 14k, 18k, and platinum?
14k, 18k and platinum are all excellent, durable options, with very slight differences.
14k gold has a great balance of gold content and durability, making it the most popular choice for everyday jewelry.
18k gold contains more pure gold, making 18k yellow and rose gold appear slightly richer in tone than 14k, and also slightly softer. There is no visible difference between 14k and 18k white gold.
Platinum is a naturally white, hypoallergenic metal that is also very durable.
What if the ring doesn’t fit?
If your ring isn’t fitting quite right, don’t worry - we’ll take care of it. We're happy to offer one complimentary resizing within 90 days of delivery to ensure your ring fits perfectly. Please note that rings or bands with stones the full way around cannot be resized.
Simply contact us and our team will guide you through the resizing process and provide a prepaid label for you to safely return your ring. Click here to read more about our resizing policy.
What if my ring gets lost in the mail?
Your peace of mind matters to us. We guarantee safe delivery and will ensure any issue is resolved quickly and smoothly.
In the rare event that a package is delayed, lost, or appears to be missing, please contact us right away.
Our team will work with the carrier to investigate and track the shipment. If the package cannot be located and qualifies under our shipping insurance policy, we’ll remake your ring and send it to you at no additional cost. Click here to learn more about our delivery guarantee.
Are your diamonds and gemstones ethically sourced?
All of our lab-grown diamonds and moissanite are created in controlled, traceable environments, with no mining involved. This ensures a conflict-free, environmentally responsible alternative to traditionally mined stones, without compromising on beauty or quality.
I created Castlefield Collection after seeing how overwhelming engagement ring shopping can be. My goal is simple: to help you find a ring that's as durable as it is beautiful, so you can feel confident in your choice for years to come.
Our shipping boxes are discrete, but inside, each order is packaged in a picture-perfect pink velvet box and outer box, adorned with a bow.
Each piece is crafted by a team of jewellers with over 20 years of expertise, creating heirloom-quality pieces designed to last for generations.
When only something truly personal will do, our design experts will bring your dream ring to life with a completely custom creation.
