Cushion cut
Eight Ways It Goes Wrong
Almost nobody buying a cushion makes a bad decision. They make no decision, on four or five variables they were never told about. That is the whole list.
Written by the Mapple Gems workshop, Surat ยท Updated 31 August 2026
Short answer
"Cushion" names an outline and nothing else. Faceting style, ratio, depth and โ on a halo โ melee quality are all undefined by the word, absent from the certificate and rarely stated on a listing. Every one of the eight errors below is a variable left to default. The good news is that seven of the eight cost nothing to avoid; they just have to be raised before casting.
The emerald cut punishes buyers for applying advice from the wrong shape. The cushion punishes them for a different reason: the word does not specify enough. Two stones can share a name, a weight and a certificate and be entirely different objects, and nothing in the ordinary buying process forces the difference into the open.
1. Never choosing the faceting
The big one. Crushed ice and chunky are as different as two shapes, and the market default is crushed ice because it photographs well, permits lower grades and costs less to produce. Buyers who wanted the antique look and never used the word get the modern one.
The fix: name it in writing before anything is sourced. How to tell them apart takes about four seconds on a video once you know what to look at.
2. Comparing carat weight instead of millimetres
Cushions are cut deep, and depth is weight below the girdle that you paid for and cannot see. Two 2.00ct cushions can differ visibly in face-up size with identical certificates. On a shape that already faces up small for its weight, buying the deeper one twice over is a real loss.
The fix: ask for length, width, depth in millimetres and the depth percentage, for every stone you compare. Details in why two cushions with the same 4Cs cost different money.
3. Paying for colour the setting will hide
A crushed ice cushion in yellow gold conceals body colour twice over โ once through the metal, once through the facet pattern. A G colour in that ring is money spent on something nobody will ever see, and the stone gets chosen before the metal often enough that this happens constantly.
The fix: decide the metal first, then the colour grade. In yellow or rose gold with crushed ice faceting, J works and K often does โ the full table is in how far down the colour scale you can go. Take the saving in millimetres.
4. Judging from a lightbox still
Product photography flatters crushed ice more than any other faceting on any other shape โ even lighting fills every small facet at once. A still image cannot show you the faceting style, cannot show whether the stone goes grey in ordinary light, and cannot show moissanite's fire behaving.
The fix: rotating video of the specific stone, in ordinary indoor light. If a seller has only lightbox stills, they are showing you the best case of every stone they own.
5. Assuming "cushion" specifies a ratio
1.00 and 1.28 are both correctly sold as cushions and look like different shapes. Buyers picturing a square cushion regularly receive an elongated one, or the reverse, and cannot say what went wrong beyond that it is not what they imagined.
The fix: specify a range โ "1.05 to 1.12" โ before sourcing. Square, soft square or elongated covers what each band looks like.
6. Letting the halo do the deciding
A halo adds around 2.5mm of apparent width and makes a warmer, deeper centre stone read larger and whiter. Used deliberately, that is clever value. Used by default, it means you have bought a stone you would not have chosen bare and paid a halo premium for the privilege of not seeing it.
The fix: price the solitaire version of the same budget before committing. Sometimes the halo wins; often a shallower, better-proportioned centre stone does. Both cases are set out in the cushion solitaire and cushion halo rings.
7. Not asking what the melee is
Thirty to fifty small stones sit against your centre on a halo ring, and their colour and matching are a genuine cost line that no photograph reveals. Mismatched melee reads as one or two stones sitting warmer or greyer than their neighbours โ visible on the hand, invisible online, and impossible to fix afterwards without resetting the halo.
The fix: ask for the melee colour grade in writing. "Matched, G or better" is an answer. "Diamond accents" is not.
8. Leaving the wedding band until afterwards
A cushion solitaire usually takes a straight band. A cushion halo usually does not, and most cushions are halos. Setting height, halo width and shoulder shape are all fixed at casting, so the band options are decided before the ring exists โ by somebody who was not thinking about bands.
The fix: run the straight-edge test on the side elevation before the wax is cut. Ten seconds, no cost. The four options, in full.
From our bench in Surat
Notice how few of these are about the diamond being poor. Almost every cushion that disappoints is a perfectly good stone that nobody specified. The shape's problem is not quality; it is that the name carries so little information and the industry has never agreed to fill the gap.
Which is our concession, repeated across this whole series because it is the same one every time. Our product pages carry carat and grades. They do not carry faceting style, millimetres, depth percentage or melee grade โ the four things this list actually depends on. You cannot run these checks on our listings today. Ask us, for any piece, and we will send all four. We would rather answer than have you find out on delivery, and we would say exactly the same about any seller you are comparing us with.
The whole list, in one table
| Mistake | Fix | When |
|---|---|---|
| No faceting choice | Name crushed ice or chunky in writing | Before sourcing |
| Comparing carats | Ask mm and depth percentage | Before sourcing |
| Colour the metal hides | Choose metal first, then grade | Before sourcing |
| Judging from stills | Rotating video, ordinary light | Before paying |
| Assuming a ratio | Specify a range | Before sourcing |
| Halo by default | Price the solitaire version too | Before casting |
| Unknown melee | Ask for the grade, matched | Before casting |
| No band plan | Straight-edge test on the elevation | Before casting |
Five of the eight have to happen before a stone is even sourced. That is the difference between this shape and most others: on a cushion, the important decisions are made at the very start of the conversation, when it still feels too early to be discussing details.
Keep reading
Antique cushion rings: the old mine look, newly cut
Frequently asked questions
What is the biggest mistake when buying a cushion cut?
Not choosing the faceting style. Crushed ice and chunky look and behave completely differently, the market default is crushed ice, and the word "cushion" does not distinguish them. Buyers who wanted an antique look and never used the word routinely receive the modern one.
Are cushion cuts harder to buy well than other shapes?
Harder to specify, not harder to judge. The shape name leaves faceting, ratio and depth all undefined, and no laboratory grades cut on a fancy shape. Once you ask for those three figures the choice becomes straightforward โ the difficulty is knowing to ask.
Can any of these be fixed after the ring is made?
Five of the eight have to be settled before the stone is sourced, and the other three before casting. Afterwards the stone is what it is and the head is fixed in metal. The wedding band can still be adapted; almost nothing else can.
Is a halo a mistake on a cushion?
Not at all โ it is a good design and it solves a real problem on a shape that faces up small. The mistake is arriving at it by default rather than choosing it, and never pricing the solitaire version of the same budget alongside it.
What should I ask a seller before ordering a cushion?
Faceting style, millimetres, depth percentage, ratio, a rotating video in ordinary light, melee colour if there is a halo, and the profile height on a side elevation. A seller who answers all seven has the stone in hand. One who answers two is letting the certificate do the talking.
Five decisions before the stone is chosen
Everything is made to order in our Surat workshop, so all of them are still open. Send us what you are considering and we will go through the list with you.
Leave a comment