Marquise Lab-Grown Diamond Three Stone Engagement Rings Under £2,000

Lab-grown diamonds are chemically, physically, and optically identical to mined diamonds. They have the same crystal structure, hardness (10 on the Mohs scale), refractive index, and thermal conductivity. The only difference is their origin — grown in a controlled laboratory environment in 6–10 weeks rather than formed over billions of years. Lab-grown diamonds are typically 60–80% less expensive than equivalent natural diamonds, allowing you to choose a larger, higher-quality stone within your budget.

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.

Under £2,000, you can find a 1ct lab-grown diamond engagement ring in your choice of metal and setting style. This price point represents the most popular budget for lab-grown diamond engagement rings — genuine luxury without compromise.

Three Stone rings with a 1ct lab-grown diamond start from £3,384

At 1ct, even lab-grown three stone rings start above £2,000.

Need help finding the perfect ring? Book a free consultation — our experts can work with any budget.

Pricing Guide

Marquise Diamond Price Guide

0.50ct

Ring from

£3,380

0.70ct

Ring from

£3,412

1ct

Ring from

£3,468

1.50ct

Ring from

£3,599

2ct

Ring from

£3,995

Marquise diamond prices updated daily. Book a free consultation to see diamonds in person at our Hatton Garden atelier.

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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 Three Stone Engagement Rings Under £2,000 — FAQs

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