Cushion Diamond · Engagement Ring

Platinum Cushion Cut Diamond Solitaire Ring with Side Stones and Four-Prong Setting

$2,029$4,058 Save 50%Ends SoonSetting price — reflects metal, gold purity & band width. Choose your center diamond in the next step.

This elegant solitaire ring features a stunning Cushion Cut Diamond, secured in a classic four-prong setting to enhance brilliance and presence. The band is accented with side stones...

Band Width1.8 mm
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.

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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 ShapeCushion
Diamond ColorWhite
Side Diamonds0.26 ct
Band Width1.8 mm
Diamond TypeLab-Grown or Natural
CertificationIGI · GIA · HRD
Style No.121

About This Ring

This elegant solitaire ring features a stunning Cushion Cut Diamond, secured in a classic four-prong setting to enhance brilliance and presence. The band is accented with side stones that add refined sparkle and sophistication while keeping the center stone as the focal point. Crafted in luminous Platinum, the design offers a timeless balance of elegance and detail, making it a graceful choice for engagements, meaningful occasions, or everyday sophistication.
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 Solitaire

One Stone, Unforgettable

Single Stone

A solitaire puts the center diamond center stage — pure, undivided light.

Prong Setting

Fine prongs lift the stone for maximum brilliance and a timeless silhouette.

Your Center Diamond

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

Easy Resizing

The smooth shank can be resized — your ring grows with the years.

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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