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Princess Cut Lab-Grown Sapphire Engagement Rings

Crafted by our jewellers with care and precision.
Order by 28 October for delivery by December 24Order by 28 Oct for delivery by Dec 24 View all cutoff dates
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Frequently Asked Questions

Your questions, answered.

Princess cuts have a brilliant faceting pattern, so a princess cut sapphire engagement ring can look brighter in direct light and slightly deeper or more shadowed in low light.

Look for even colour saturation, sharp, symmetrical corners and minimal visible inclusions. A well-cut princess cut sapphire engagement ring should show bright, consistent brilliance across the stone.

Yes. Sapphires rank 9 on the Mohs scale, making a princess cut sapphire engagement ring durable, though its pointed corners benefit from a protective prong or bezel setting. For more information about sapphires, read What are Lab-grown Sapphires?

Yes. Princess cut sapphires suit both modern and vintage-inspired designs, pairing especially well with milgrain detailing, halo surrounds or antique-style filigree settings.

Dullness is usually just buildup from lotion, soap or everyday wear. Clean your princess cut sapphire engagement ring with warm water, mild soap and a soft brush. For full guidance, visit our Ring Care Guidance.

Yes. All Cullen princess cut sapphire engagement rings can be personalised across carat weight, metal, setting style, and band width. For a fully tailored design, our custom design service allows you to design from the ground up.

Cullen's princess cut sapphire engagement rings are available in 18k yellow, white and rose gold, as well as platinum and two-tone options, all nickel-free. For more details, visit our Precious Metals Guide.

Made-to-order princess cut sapphire engagement rings are typically crafted within 40 business days, with an estimated completion date shown on each product page. If you need a ring sooner, view our Ready to Ship range. For full details, visit our Crafting Timeframes page.

Yes. Every Cullen ring comes with a Lifetime Manufacturing Warranty covering manufacturing defects, so you can wear your ring with complete peace of mind.

Yes. We offer one complimentary resize within 12 months of your ring's completion, for the perfect fit. Visit our resizing policy for full details.

Exceptional Brilliance Lives In A Princess Cut Sapphire Engagement Ring

A confident alternative to traditional cuts, the princess cut sapphire engagement ring faces up generously compared to a round stone of the same carat weight. Its square outline and deep pavilion create a strong, architectural presence without needing a larger stone. A princess cut sapphire engagement ring suits both minimalist solitaires and halo settings with equal ease.

Superior craftsmanship, thoughtful customisation, and premium materials are the foundation of every Cullen ring. The rest is shaped by you. Our jewellers and ring specialists are here to guide you through every step of finding the one. Each piece is brought to life using premium precious metals and carbon-neutral stones, including lab-grown diamonds, moissanite and lab-grown sapphires, crafted with exceptional care and attention to detail.

Explore our collection of princess cut sapphire engagement rings in Australia. Discover our full range of designs online, or book a personalised consultation with our team to bring your vision to life.

Express Your Devotion With A Princess Cut Sapphire Engagement Ring from Cullen

Cullen specialises in princess cut sapphire engagement rings, combining the expertise of experienced jewellers with an exceptional client care team to guide you from the first conversation through to the finished piece. Every princess cut sapphire is set in nickel-free precious metals for a ring that feels as bold as it is refined. Its clean lines and architectural presence make it a striking, contemporary choice for structured style.

Need help choosing your perfect princess cut sapphire engagement ring in Australia? Book a virtual or in-person appointment at one of our showrooms to speak with one of our friendly engagement ring specialists.

Expert craftsmanship in cherished pieces.

Worldwide Express Shipping No matter where you are in the world, your dream ring will go the distance. We proudly ship our princess cut sapphire engagement rings across Australia and internationally, ensuring your custom piece arrives safely and swiftly.

Free Resizing We offer free resizing on all of our engagement rings, including princess cut sapphire engagement rings, ensuring a perfect fit for something uniquely yours.

Lifetime Warranty Our princess cut sapphire engagement rings are built to last a lifetime. Each piece is backed by our Lifetime Manufacturing Warranty, giving you complete peace of mind.

Tailored Ring Customisation From stone shape to metal type with personalised engravings, we offer an extensive customisation service so you can wear a princess cut sapphire engagement ring that feels entirely one of a kind.

Thoughtfully Designed in Melbourne, Australia All of our rings, including our princess cut sapphire engagement rings, are crafted by our expert jewellers with exceptional attention to detail.

Carbon Neutral Gemstones & Trees For The Future We offset the carbon footprint of every princess cut sapphire engagement ring and plant a tree for each ring sold, supporting global reforestation.

Custom Design Specialists Whether you're dreaming of an elegant princess cut sapphire engagement ring or a custom gold princess cut white sapphire engagement ring, our team specialises in bringing your vision to life with a ring that's unmistakably yours.