The radiant cut was invented to solve a specific complaint: customers liked the clean outline of a square step cut but wanted the sparkle of a brilliant. The result is a square or rectangular outline with cropped corners, but the facet pattern is brilliant rather than step. In moissanite, that combination produces a stone that reads architectural from across the room and bursts into fire up close. At HOLYCOME, radiant volume has grown faster than any other square shape over the last two years.
Square versus rectangular radiant
Radiants come in near-square (1.00:1 to 1.05:1) and rectangular (1.10:1 to 1.30:1). The square radiant is the mainstream seller; the rectangular radiant reads like an emerald cut that actually sparkles, and it is the shape we steer customers toward when they say they like the emerald silhouette but found it too quiet. Both are stocked, with the square carrying the larger float.
Why the cropped corners matter
Unlike a princess cut, which has sharp corners, a radiant has cropped corners like an emerald. That does two things: it removes the chip-prone sharp point, and it gives the setter a flat edge to grip. The result is a square brilliant that survives daily wear better than a princess. We see fewer corner-chip warranty returns on radiants than on princesses, which is worth remembering when you price your after-sales.
Face-up size and wholesale price
| Dimensions (mm) | Shape | Diamond equivalent | Wholesale band (USD, D-F VVS1, GRA) |
|---|---|---|---|
| 4x4 | square | ~0.3 ct | $11 - $19 |
| 5x5 | square | ~0.5 ct | $20 - $33 |
| 6x6 | square | ~1.0 ct | $38 - $60 |
| 7x7 | square | ~1.5 ct | $60 - $95 |
| 8x8 | square | ~2.5 ct | $95 - $150 |
| 6x8 | rectangular | ~1.2 ct | $45 - $72 |
| 7x9 | rectangular | ~1.8 ct | $70 - $110 |
Setting tips
The cropped corners take prongs cleanly. A four-prong setting on the cropped corners is the classic look and needs no corner wrapping, because there is no sharp corner to chip. A halo around a radiant is a strong seller; the pavé border amplifies the fire and the square outline reads clean in product photos. Bezel settings work well, especially in yellow gold, where the whole combination reads modern-vintage.
- Four-prong solitaire: classic, no corner wrapping needed.
- Pavé halo: amplifies fire and reads clean on product photos.
- Bezel in yellow gold: modern-vintage and daily-wear friendly.
Metal pairs
White gold and platinum keep the radiant bright and bridal. Yellow gold gives it a warmer, more substantial feel and is the combination that has driven the recent growth, because it pairs the square silhouette with a metal customers are already choosing. Rose gold radiants are a small but steady line for right-hand rings. Unlike the emerald cut, the radiant is not metal-sensitive; it looks at home in all three.
Who buys radiants
Three groups. Customers who want a square shape but rejected the princess as too sharp-edged. Customers who liked the emerald cut's outline but found it too quiet. And customers browsing online who landed on a radiant photo and could not tell you the name of the cut. That last group is the largest, which is why product photography matters: the radiant sells on the image before the customer ever asks for it by name.
Durability
The cropped corners are the durability advantage. Moissanite at 9.25 Mohs resists scratching, and the absence of sharp corners removes the most common chip point on square shapes. We still specify medium girdles; extremely thin girdles are not stocked. Clean with warm soapy water; ultrasonic is fine on unset stones. Mounted radiants in prong settings should skip the ultrasonic for the same reason as other pronged stones: loose prongs cause more failures than the stone itself.
Why the radiant is growing
The radiant solves two problems at once. It gives customers the square, architectural silhouette they like in an emerald cut, but with the fire they expect from a round. As bridal customers increasingly look for something that is neither a default round nor a stark emerald, the radiant sits in the middle. It also photographs well: the cropped corners and bright facets read clearly on a product image, which means online retailers convert radiant listings faster than emerald listings for the same price point. That combination of aesthetics and marketability is why the line has doubled in our order book year over year.
Radiant side stones and accents
Radiants take side stones cleanly. A pair of tapered baguettes flanking a square radiant echoes the cropped-corner geometry without competing with the fire. Trillion-cut accents also work, though they add cost. For pendants, a single radiant in a bezel is a clean modern piece that sells well to customers who do not want a solitaire outline. The 7x7 and 8x8 sizes are the pendant movers.
Radiants also sit comfortably in channel settings, where the cropped edges seat flush against the channel walls without needing corner protection.
Browse the radiant range in the loose stone catalog under Radiant Cut.