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For those who love the unique character of the cushion cut and the light performance of the round brilliant, we refused to make you choose. Our patented Brilliant Cushion joins the antique charm of the cushion shape with the unrivaled brilliance and fire of a modern ideal cut round. Charm meets brilliance, in one stone.
The cushion has always been the romantic's shape: the softly rounded square of antique rings, glowing rather than flashing. Its historic weakness was the glow itself, because most cushions are cut for weight rather than light, and their looser geometry pays for the romance in brightness. The Brilliant Cushion was designed to end that trade.
It is a square cushion, brilliant cut to ideal proportions with such precision that it is noticeably whiter and brighter than both the standard cushion brilliant and the standard modified cushion brilliant. Look into the stone and you see a crisp hearts and arrows facet pattern, rotated to accentuate the softly rounded corners, never the crushed ice of a less precise cut. Fifty eight facets, each positioned and polished exactly, doing for the cushion outline what the ideal cut did for the round.
Put a typical modified cushion beside a Brilliant Cushion and the distinction announces itself. The typical stone sparkles in fragments, the crushed ice look, many small unstructured glints from extra pavilion facets and relaxed tolerances. It can be pretty; it is never precise, and in lower light it goes gray. The Brilliant Cushion reads instead as pattern: bold, symmetrical flashes from a hearts and arrows arrangement that only exists when every angle is exact.
| Trait | Typical Modified Cushion | RockHer Brilliant Cushion |
|---|---|---|
| Facet pattern | Crushed ice: many small, unstructured glints | Crisp hearts and arrows, rotated to the rounded corners |
| Cut priority | Weight retention from the rough | Ideal proportions for light return |
| Brightness | Softer, grays out in low light | Noticeably whiter and brighter, round like performance |
| Verification | Grade report only | GIA report plus light performance imaging on every stone |
The painstaking care required to position and polish those 58 facets is worth it, and you do not have to take the claim on faith: the difference is visible as more brilliance and more fire, on video, before you decide.
The Brilliant Cushion is manufactured under license from US patent USD639202 S1; the design itself is protected because the design itself is the product. Every stone carries a GIA grading report, and because the entire argument for this cut is its precision, every stone is also examined with light performance imaging, which shows directly how the diamond handles light, so that each Brilliant Cushion we offer is demonstrably brighter and more brilliant than the cushions around it on the market.
That is the standard the whole program runs on: the paper certifies what the stone is, the imaging proves what it does, and you see both before anything is purchased. A signature cut should not ask for belief. It should hand you evidence.
The Brilliant Cushion earns its place on a shortlist for three distinct kinds of buyer.
The softly rounded square carries all the heirloom mood of the antique cushion, with none of the dimness. It is the vintage silhouette finally performing at modern standards.
A visible, verifiable precision pattern in a shape where the market has learned to accept crushed ice. For the buyer who reads proportion tables, this is the cushion that finally deserves them.
Rounds are everywhere and rightly so. The Brilliant Cushion delivers the same caliber of light in an outline that turns heads precisely because it is not the outline everyone chose.
Every Brilliant Cushion is scored by ROSI™, our gemological intelligence, built by our gemologists, against the live market before it is offered, and you can put any stone, ours or anyone's, through the same scrutiny. Request a ROSI™ Score Report and compare on evidence.
Most cushions ask you to trade brilliance for charm. This one was patented so you would never have to.
If your heart is set on the cushion's romance, you deserve to know that the ordinary version of the shape gives up real light to get it, and that a precisely cut alternative exists. Watch a Brilliant Cushion next to a standard modified cushion on video, in motion, and let the stones argue it out. The one with the pattern wins in every light you will ever stand in.
Found a diamond you are considering, here or anywhere else? Send the GIA or IGI certificate number and our gemological team returns its ROSI™ Score and a read of where it sits in the current market. Complimentary, within minutes.
Score a DiamondWhere stones of the same exact specifications are trading on the open market right now. You get a straight answer, even when the diamond is not ours.
John Anderson, our Lead Gemologist, will put a Brilliant Cushion next to a standard modified cushion on video and let you see the difference in pattern, brightness, and fire for yourself, then help you find the right stone at the right weight. The consultation is complimentary and there is no obligation.
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