Radiant Diamond · Engagement Ring

Platinum Fancy Blue Radiant Cut Solitaire Engagement Ring with Four-Prong Setting and Classic Band

$1,699$3,398 Save 50%Ends SoonSetting price — reflects metal, gold purity & band width. Choose your center diamond in the next step.

This exquisite engagement ring features a stunning emerald-cut diamond, elegantly set in a classic solitaire design. The diamond is securely held in place by a four-prong setting, allowing...

Ring Size

Made-to-order in your selected US size. Free resizing within 30 days of delivery.

Next: pick a certified center diamond — lab-grown or natural — by shape, carat & budget, then preview your finished ring.

Free Shipping 30-Day Returns Certified Diamonds
Free Appraisal
Free Insurance Quote
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IGI-certified for guaranteed quality
Free Shipping, Free 30-Day Return
The Details

Craftsmanship & Specs

MetalPlatinum
Diamond ShapeRadiant
Diamond ColorBlue
Side Diamonds0.05 ct
Diamond TypeLab-Grown or Natural
CertificationIGI · GIA · HRD
Style No.76

About This Ring

This exquisite engagement ring features a stunning emerald-cut diamond, elegantly set in a classic solitaire design. The diamond is securely held in place by a four-prong setting, allowing maximum light to enhance its brilliance. The sleek, polished band complements the stone's sophisticated geometry, making this ring a timeless symbol of elegance and commitment.
Shipping & Returns
Complimentary insured shipping on every order, with free 30-day returns. Each ring ships in signature packaging, ready to gift.
Sizing & Resizing
Choose your US ring size at checkout; one complimentary resize is included within 30 days of delivery. Not sure of the size? Our team can help after you order.
The Renaissance Promise
Every center diamond is independently certified (IGI, GIA, HRD and other leading labs). Choose an ethically lab-grown diamond — our specialty — or a natural diamond, both fully certified. Enjoy a free appraisal, a complimentary insurance quote, and a lifetime warranty covering cleaning, prong inspection and resizing.
The Hidden Halo

A Secret Sparkle Beneath the Stone

Hidden Halo

A ring of micro-diamonds tucked beneath the center stone — invisible from above, dazzling from the side.

Pavé Band

Diamonds line the band in continuous fire, lifting the whole ring with light.

Your Center Diamond

Choose a certified lab-grown or natural center diamond by shape, carat and budget in the next step.

Lifetime Care

Free professional cleaning and prong inspection for life.

Buy with Confidence

The 4Cs of Diamonds

Cut

The precision that unlocks a diamond's fire and brilliance.

Color

Graded D–Z, where less color means more rarity.

Clarity

The measure of a diamond's natural inclusions.

Carat

The weight of the diamond, and presence on the hand.

Loved by Our Clients

Reviews

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