Princess Cut Vintage Engagement Rings in Platinum Under £4,000

The princess cut's sharp, modern lines set in platinum create a contemporary engagement ring with geometric precision. The square shape and brilliant-cut facets deliver exceptional sparkle in a clean, architectural package.

The princess cut is a square or near-square brilliant-cut diamond that offers exceptional sparkle in a modern, geometric profile. It retains more rough diamond weight during cutting than a round brilliant, making it a strong value proposition without sacrificing fire or brilliance.

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.

Under £4,000, natural diamond engagement rings become a strong option — 0.7ct to 1ct stones in classic solitaire or elegant halo settings. Lab-grown opens the door to 1.5ct–2ct showpieces.

Princess cut diamonds offer excellent value per carat due to high rough retention during cutting.

Vintage rings with a 1ct lab-grown diamond start from £4,022

At 1ct, even lab-grown vintage rings start above £4,000.

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

Pricing Guide

Princess Diamond Price Guide

0.50ct

Ring from

£4,006

0.70ct

Ring from

£4,007

1ct

Ring from

£4,052

1.50ct

Ring from

£4,185

2ct

Ring from

£4,430

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

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The princess cut engagement ring is a timeless style that never goes out of fashion. With sharp angles and clean lines that bring a contemporary elegance, princess cut diamonds have earned their place as one of the most popular fancy diamond shapes.

Discover our selection of princess cut designs or create your own through our ring builder. Explore solitaire and vintage settings in 18kt white, yellow, or rose gold, or platinum.

Princess Cut Vintage Engagement Rings in Platinum Under £4,000 — FAQs

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