Marquise Lab-Grown Diamond Bridal Set Engagement Rings in Platinum
Marquise Lab-Grown Diamond Bridal Set Engagement Rings in Platinum
Platinum and lab-grown diamonds together represent the pinnacle of modern engagement ring design — the purest metal paired with the smartest diamond choice. Platinum's neutral white lets the lab-grown diamond's brilliance shine without colour interference.
The marquise cut features a distinctive elongated shape with pointed ends, offering the largest face-up area of any diamond shape for its carat weight. Its boat-like silhouette creates a dramatic, regal presence on the finger and makes the stone appear significantly larger than other shapes of the same weight.
The purest choice for a lifetime of wear. Platinum is 95% pure, naturally white, and will never fade or yellow over time. It is denser and heavier than gold, giving your ring a satisfying weight and substance. Platinum is hypoallergenic, making it ideal for sensitive skin.
The platinum premium is more than offset by lab-grown diamond savings — delivering luxury without compromise.
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Marquise engagement rings feature a distinctive elongated shape with pointed ends, embodying both tradition and modern sophistication. Originally inspired by the lips of the Marquise de Pompadour, this cut creates maximum visual impact and finger coverage, making the diamond appear larger than its carat weight suggests.
Discover our selection of marquise designs or create your own through our ring builder. Explore solitaire and vintage settings in 18kt white, yellow, or rose gold, or platinum.
Marquise Lab-Grown Diamond Bridal Set Engagement Rings in Platinum — FAQs
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Understand the 4Cs, shapes, and certification — everything you need to choose with confidence.
Read GuideStyles, settings, and how to find the ring that tells your story.
Read GuideWhat to expect at every price point — from £500 to £10,000+.
Read GuideThe complete comparison — properties, pricing, and which is right for you.
Read GuidePlatinum, white gold, yellow gold, rose gold — properties, care, and pricing.
Read GuidePractical tips, ring sizing, and what to look for when buying online.
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