Should I Get Lab Diamond or Moissanite for My Engagement Ring?
Choosing an engagement ring involves many exciting decisions, but one of the most common questions couples ask is whether they should choose lab diamonds or moissanite. Both gemstones offer exceptional brilliance, modern sustainability, and outstanding value compared to traditional mined diamonds.
Here at Lily Arkwright, we specialise in both lab grown diamonds and our own Lily Arkwright Moissanites, giving couples the freedom to select the stone that best suits their style, priorities, and budget.
While these two gemstones may look similar at first glance, there are important differences in their composition, appearance, and price. Understanding the pros and cons of each can help you make a confident decision when selecting your engagement ring.
Lulu 10x8mm Elongated Cushion Cut Moissanite Engagement Ring
What Are Lab Grown Diamonds?
Lab grown diamonds are real diamonds created in a laboratory using advanced technology that replicates the natural diamond formation process. They have the same chemical, physical, and optical properties as mined diamonds and are graded according to the same standards of cut, colour, clarity, and carat weight.
Because they are genuine diamonds, lab diamonds offer the classic look many people associate with traditional engagement rings. Their brilliance, durability, and timeless appeal make them a popular choice for couples who want the authenticity of a diamond with a more modern and ethical origin.
Lab diamonds are also significantly more affordable than mined diamonds of the same quality, allowing couples to choose a larger carat size or higher clarity while staying within budget.
Isabella 4ct Oval Lab Diamond Engagement Ring
What Is Moissanite?
Moissanite is a gemstone in its own right, originally discovered in meteorite fragments and now grown in laboratories. At Lily Arkwright, we offer our own premium Lily Arkwright Moissanites, carefully crafted to deliver exceptional brilliance and consistency.
One of moissanite’s most distinctive features is its incredible sparkle. Moissanite has a higher refractive index than diamond, meaning it disperses light in a way that produces more rainbow flashes. This gives the stone a lively, fiery appearance that many people love.
Moissanite is also highly durable, ranking 9.25 on the Mohs hardness scale, making it well suited to everyday wear in engagement rings.
Lulu 9x9mm Square Cushion Cut Moissanite Engagement Ring
The Pros of Lab Diamonds
Lab diamonds appeal to many couples because they are identical to natural diamonds in every scientific sense. They offer the traditional diamond look and are recognised as being physically, chemically, and optically identical to mined diamonds.
They are also extremely durable, scoring a 10 on the Mohs hardness scale, which makes them the hardest gemstone available for jewellery. This durability ensures they can withstand everyday wear for a lifetime.
Another major advantage is their timeless value and familiarity. For couples who have always imagined a natural diamond engagement ring, lab diamonds allow them to enjoy that classic look while benefiting from modern sustainability and better value than mined stones.
Lily Arkwright Eden 2.5ct Round Lab Diamond Engagement Ring
The Pros of Moissanite
Moissanite offers exceptional brilliance and sparkle, often appearing even more vibrant than diamonds due to its higher light dispersion. For those who love a dazzling, eye-catching engagement ring, moissanite can be an exciting option.
Affordability is another key benefit. Moissanite typically costs less than lab diamonds, meaning couples can choose a larger centre stone without significantly increasing their budget.
Lily Arkwright Moissanites are also carefully cut to maximise brilliance and ensure consistent colour and clarity, offering a high-quality alternative for those seeking a modern, ethical gemstone.
Lily Arkwright Allure 9x7mm Oval Moissanite Engagement Ring
The Key Differences Between Lab Diamonds and Moissanite
The most noticeable difference between these two gemstones is their sparkle. Lab diamonds produce the crisp white brilliance most people associate with diamonds, while moissanite creates more rainbow flashes due to its higher dispersion.
There are also subtle visual differences under certain lighting conditions, although these are often difficult to detect without a trained eye. Many couples find that both stones look stunning once set into a beautifully designed engagement ring.
Lily Arkwright Engagement Ring Collection
Which Should You Choose?
Ultimately, the choice between lab diamonds and moissanite comes down to personal preference. If you want a gemstone that is chemically identical to a traditional diamond and offers timeless prestige, a lab diamond may be the perfect choice.
If you love exceptional sparkle and want to maximise carat size while staying within a comfortable budget, moissanite can be an equally beautiful and practical option.
At Lily Arkwright, we are proud to offer both lab grown diamonds and our own Lily Arkwright Moissanites, giving couples the opportunity to compare these gemstones and choose the one that feels right for you.
Whether you are drawn to the classic brilliance of a diamond or the vibrant sparkle of moissanite, our expert jewellery consultants are always happy to guide you through the options and help you find the perfect engagement ring to mark the beginning of your story.