Journal — Gemstone Education

What is The Bow Tie Effect? The bow tie effect appears as a darkened shape across the centre of some fancy-cut diamonds. This occurs when light entering the diamond from one side is not effectively reflected or refracted out the other, resulting in a central shadow that diminishes the brilliance of your lab-grown diamond engagement ring. Diamonds are cut with a series of facets, each meticulously angled to reflect and refract light in a way that maximises fire and sparkle. However, the asymmetrical nature of fancy shapes means light may not always be distributed evenly throughout the stone. The result:...

The Moissanite Company Signature Moissanite 4 C’s True luxury should reflect your values. With a fire that rivals diamonds, a durability made for a lifetime of love, and an ethical footprint you can feel proud of, our Signature Moissanite redefines modern heirlooms. With expert growth and gem-cutting technologies at the core of our practices, our Signature Moissanite is grown and cut to the exacting standards set by TMC Fine Jewellers to create the most diamond-like alternative, in terms of quality and appearance. All The Moissanite Company Signature Moissanite gemstones we produce and utilise are D colour and VVS1 clarity, equivalent...

Understanding Lab-Grown Diamond Ratios When designing your forever ring, every detail matters, and that includes your diamond’s ratio. While often overlooked, gemstone ratios are essential to the overall look and feel of your lab-grown diamond. The ratio refers to the length divided by the width of the stone, and it plays a key role in how your diamond appears on the hand, whether more elongated, perfectly balanced, or softly compact. Though the difference between ratios might seem subtle at first glance, they can have a meaningful visual impact. Choosing your desired lab-grown diamond ratio can add a beautiful layer of...

At TMC Fine Jewellers, we are proud to offer an exquisite selection of laboratory-grown gemstones, sourced from ethical origins. As bespoke jewellers, we prioritise sustainability, crafting heirloom pieces you'll cherish forever. Our commitment to cultured gemstones (moissanite and lab-grown diamonds) reflects our dedication to sustainable practices with minimal impact on the planet. But what exactly sets moissanite and lab-grown diamonds apart, and which is the right choice for your heirloom piece? Let's explore the unique characteristics and key differences of each… Moissanite: The Ethical Diamond Alternative Celebrated for its distinctive sparkle, the moissanite gemstone is the highest quality diamond alternative....