DIANA - Princess Diana Inspired Blue Sapphire & Lab Diamond Platinum Engagement Ring
Compare the stone arrangement and complete dimensions, with fit and care checked for this selected design.
View this designBlue Sapphire Engagement Rings
Blue sapphire engagement rings bring a timeless depth of colour to contemporary jewellery. Explore lab-grown blue sapphires in platinum and gold, from Princess Diana-inspired halos to refined solitaires and diamond-set shoulders. The precise shade can vary from softer cornflower blue to a richer royal tone, with the stone's cut and the surrounding metal shaping its appearance.
ROSA
Blue Sapphire & Diamond 950 Platinum Halo
From €2.846,95 EUR
EDEN
Oval Blue Sapphire & Diamond 18k Yellow Gold Vine Solitaire Ring
From €2.213,95 EUR
DARLEY
Blue Sapphire Elongated Cushion Micro Pavé 950 Platinum Halo
From €2.846,95 EUR
HARLOW
Pear Blue Sapphire & Diamond 950 Platinum Halo
From €2.457,95 EUR
VIOLA
Blue Sapphire Oval & Diamond 950 Platinum Shoulder Set Ring
From €2.541,95 EUR
EDEN
Round Blue Sapphire & Diamond 18k Yellow Gold Vine Ring
From €2.350,95 EUR
MACY
Princess Blue Sapphire 18k Yellow Gold Petite Pavé Shoulder Set Ring
From €1.679,95 EUR
MACY
Princess Blue Sapphire 18k White Gold Petite Pavé Shoulder Set Ring
From €1.679,95 EUR
MACY
Princess Blue Sapphire 18k Rose Gold Petite Pavé Shoulder Set Ring
From €1.679,95 EUR
MACY
Princess Blue Sapphire 950 Platinum Petite Pavé Shoulder Set Ring
From €1.679,95 EUR
EDEN
Princess Blue Sapphire & Diamond 950 Platinum Vine Solitaire Ring
From €2.078,95 EUR
EDEN
Princess Blue Sapphire & Diamond 18k Rose Gold Vine Solitaire Ring
From €2.078,95 EUR
EDEN
Princess Blue Sapphire & Diamond 18k Yellow Gold Vine Solitaire Ring
From €2.078,95 EUR
Choose your blue sapphire engagement ring
A blue sapphire gives a familiar engagement ring silhouette a distinctive centre. This collection focuses on blue designs, so you can compare the details that make each ring feel different: the gemstone outline, the contrast of accent diamonds and the colour of the metal around it.
A solitaire, a halo or a line of diamonds
A blue sapphire solitaire gives the gemstone a clear, uncluttered setting. A diamond halo creates a bright border, while shoulder set designs carry sparkle along the band. The DIANA design offers an oval sapphire framed by lab grown diamonds; compare it with the more open outline of a solitaire if you are choosing between a decorative frame and a simpler composition.
Find the shape and scale you prefer
Round stones create a balanced outline. Oval and pear shapes draw the eye along the finger, while rectangular cuts bring a more architectural character. Compare the listed millimetre measurements as well as the carat weight, and view the ring from the side to assess the setting height. Product and model photographs may show a different stone size from your selected option.
Frame the blue in gold or platinum
Platinum and white gold give blue sapphire a cool, bright surround. Yellow gold adds warmth and a stronger colour contrast; rose gold creates a softer pairing. Use the metal and style filters to narrow your selection, then check the specifications of the individual ring, including whether its accent diamonds are natural or lab grown.
Finish the choice with fit and care
Confirm your ring size and consider how the engagement ring will sit beside a wedding band. The sapphire is resistant to scratching, but the setting and gemstone still need protection from impact and regular care. Our team can help compare two designs, explain the proportions and confirm sizing options for the ring you love.
If your colour choice is still open, explore sapphire engagement rings in other colours before returning to your favourite blue design.
Designs to compare
EDEN - Round Blue Sapphire & Diamond 18k Yellow Gold Vine Ring
Compare the stone arrangement and complete dimensions, with fit and care checked for this selected design.
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We’re proud to be recognised consistently by the UK jewellery industry’s leading awards programmes. In 2026, Lily Arkwright has been shortlisted for Branded Boutique of the Year at the Professional Jeweller Awards and Bridal Jewellery Retailer of the Year at the UK Jewellery Awards, reflecting our continued commitment to exceptional customer service, product innovation, and ethical craftsmanship.
These latest nominations build on previous industry recognition, including being shortlisted for Bridal Jewellery Retailer of the Year at the 2025 UK Jewellery Awards and Independent Retailer of the Year at the Professional Jeweller Awards 2025. We were also finalists for Retail Team of the Year at both the Retail Jeweller Awards and Professional Jeweller Awards in 2024, recognising the passion, expertise, and dedication of our team.
We’re honoured to be recognised for helping thousands of couples find the perfect engagement rings and wedding rings, with a strong focus on choice, transparency, and personalisation. As an award-winning jeweller, we remain committed to delivering exceptional service, exceptional craftsmanship, and responsibly sourced lab-grown diamonds, moissanite, and natural diamonds, ensuring every customer can find a ring that perfectly reflects their love story.
Blue Sapphire Engagement Rings (Lab Grown) FAQs
How do I choose the right colour for a lab-grown blue sapphire ring?
Blue sapphire comes in a lovely range of shades, from softer cornflower tones to deep, dramatic blues. We'd encourage you to compare the actual stones in daylight and indoor light, as a very dark blue can appear almost inky in subdued conditions. Yellow gold brings warmth, while platinum and white gold create a cooler contrast. If you're considering a different colour of corundum, our lab-grown ruby engagement rings offer a beautiful red alternative.
Is lab-grown blue sapphire a genuine gemstone?
Yes. Lab-grown blue sapphire is genuine sapphire, made of corundum, with the same essential mineral composition as natural blue sapphire. The difference is that it is grown in a laboratory. We'd look beyond the origin to the actual shade, transparency and cut, because those are the characteristics you'll notice when the ring is worn. Our jewellery specialists can explain the individual stone specification if you're comparing several shades of blue.
Is a blue sapphire engagement ring practical to wear every day?
Blue sapphire is a very appealing choice for an everyday engagement ring because it is hard and resists scratching well. That doesn't make it immune to chips or knocks, particularly at exposed corners. We'd look at whether the stone is held in claws or a bezel and consider the wearer's routine. You can explore other setting styles within our coloured gemstone engagement rings if you'd like to compare how much protection each provides.
Need help choosing your jewellery?
Our jewellery specialists would be delighted to help you compare designs at our London or Manchester showrooms, or in a virtual consultation.