Step 1
Design & Selection
We finalise your design and hand-pick the certified center stone.
Workshop upgrade ยท Oct 29 โ Nov 22 | Orders are open. Crafting begins Nov 16 and shipping starts Nov 22.
Save 20%Delivery update ยท workshop upgrade
An elongated cushion cut lab grown diamond in a four claw head above a hidden halo, on a band set with pave. A standard cushion is close to square with softly rounded corners, which gives it the antique, pillow like look it is named for. An elongated cushion stretches that outline into a rectangle, and the difference in wear is significant. The longer proportion runs along the finger and slims it, the same effect an oval gives, while the rounded corners keep the soft vintage character that a hard cornered radiant or emerald cut does not have. It is the shape for someone who wants an elongating stone without a modern edge. E colour, VVS2 clarity throughout, free IGI certificate for the centre stone. Made to order in Surat in ten metals and four carat weights.
Available in 925 sterling silver, 10K yellow gold, 10K rose gold, 10K white gold, 14K yellow gold, 14K rose gold, 14K white gold, 18K yellow gold, 18K rose gold and 18K white gold. A cushion cut has larger facets than a round brilliant and can pick up warmth from the metal around it, so white gold keeps it reading coolest. Yellow and rose gold lean into the antique character of the shape, which is why warm metals are the traditional pairing for cushions. For daily wear 14K is harder than 18K and holds pave more securely.
Every ring is made to your finger size, so choose your size at checkout. If you are unsure, measure the inside diameter of a ring you already wear or ask us for a free size guide before ordering.
We can move to a standard square cushion, remove the hidden halo, add a visible halo, or extend the pave to a full eternity band. For any other customization request please contact us at https://mapplegems.com/pages/contact and we will quote it before you order.
What is the difference between a cushion and an elongated cushion?
A standard cushion is roughly square with rounded corners. An elongated cushion is stretched into a rectangle while keeping those rounded corners. The elongated version runs along the finger and has a slimming effect that the square version does not.
Is a cushion cut as sparkly as a round?
Close, and different in character. A cushion has larger facets, so it produces broader, more visible flashes of light, often described as a crushed ice or chunky sparkle rather than the fine glitter of a round brilliant.
Why is it called a cushion cut?
Because the soft square outline with rounded corners looks like a pillow. It is one of the oldest diamond shapes still in use, developed long before the modern round brilliant existed, which is why it reads as antique.
What is a hidden halo?
A ring of small diamonds set around the base of the centre stone, facing outward instead of upward. From above you see only the cushion. From the side it shows as a bright collar under the stone.
Is a lab grown diamond a real diamond?
Yes. Same carbon structure, hardness and brilliance as a mined diamond. Only the origin differs.
Do I get a certificate?
Yes. A free IGI certificate for the centre stone comes with every order, listing colour, clarity, cut grade and carat weight.
How long does it take to make?
Production usually takes ten to fourteen working days, plus shipping time to your address.
A lab grown diamond gives the same hardness, brilliance and fire as a mined stone at a fraction of the price, which is what makes a certified 4 or 5 carat elongated cushion achievable. It is created without mining, so there is no excavation and no doubt about origin. Every centre stone we set is independently certified.
Mapple Gems is a made to order fine jewellery workshop in Surat, India, one of the world's main diamond cutting centres. We set lab grown diamonds and moissanite in solid gold and sterling silver, making each piece only after it is ordered, which keeps prices low without holding stock. Questions before you buy are welcome at https://mapplegems.com/pages/contact.
Compare ring sizes across international standards โ match your size from any region.
| USA ยท Canada | UK ยท Australia Ireland ยท NZ |
Japan ยท India China ยท S. Africa |
Spain ยท Italy Neth. ยท Switz. |
Inside ร & Circumf. (mm) |
|---|---|---|---|---|
| 4 | H | 7 | 6.75 | 14.88 & 46.80 |
| 4.25 | H.5 | 7.5 | 15.09 & 47.40 | |
| 4.5 | I | 8 | 8 | 15.29 & 48.00 |
| 4.75 | J | 8.75 | 15.49 & 48.70 | |
| 5 | J 1/2 | 9 | 9.25 | 15.70 & 49.30 |
| 5.25 | K | 10 | 15.90 & 50.00 | |
| 5.5 | K 1/2 | 10 | 10.5 | 16.10 & 50.60 |
| 5.75 | L | 11.25 | 16.31 & 51.20 | |
| 6 | L 1/2 | 11 | 11.75 | 16.51 & 51.90 |
| 6.25 | M | 12 | 12.5 | 16.71 & 52.50 |
| 6.5 | M 1/2 | 13 | 13.25 | 16.92 & 53.10 |
| 6.75 | N | 13.75 | 17.12 & 53.80 | |
| 7 | N 1/2 | 14 | 14.5 | 17.32 & 54.40 |
| 7.25 | O | 15 | 17.53 & 55.10 | |
| 7.5 | O 1/2 | 15 | 15.75 | 17.73 & 55.70 |
| 7.75 | P | 16.25 | 17.93 & 56.30 | |
| 8 | P 1/2 | 16 | 17 | 18.14 & 57.00 |
| 8.25 | Q | 17.5 | 18.34 & 57.60 | |
| 8.5 | Q 1/2 | 17 | 18.25 | 18.54 & 58.30 |
| 8.75 | R | 19 | 18.75 & 58.90 | |
| 9 | R 1/2 | 18 | 19.5 | 18.95 & 59.50 |
| 9.25 | S | 20.25 | 19.15 & 60.20 | |
| 9.5 | S 1/2 | 19 | 20.75 | 19.35 & 60.80 |
| 9.75 | T | 21.5 | 19.56 & 61.40 | |
| 10 | T 1/2 | 20 | 22 | 19.76 & 62.10 |
| 10.25 | U | 21 | 22.75 | 19.96 & 62.70 |
| 10.5 | U 1/2 | 22 | 23.25 | 20.17 & 63.40 |
| 10.75 | V | 24 | 20.37 & 64.00 | |
| 11 | V 1/2 | 23 | 24.75 | 20.57 & 64.60 |
| 11.25 | W | 25.25 | 20.78 & 65.30 | |
| 11.5 | W 1/2 | 24 | 26 | 20.98 & 65.90 |
| 11.75 | X | 26.5 | 21.18 & 66.60 | |
| 12 | X 1/2 | 25 | 27.25 | 21.39 & 67.20 |
| 12.25 | Y | 27.75 | 21.59 & 67.80 | |
| 12.5 | Z | 26 | 28.5 | 21.79 & 68.50 |
| 12.75 | Z 1/2 | 29 | 22.00 & 69.10 | |
| 13 | 27 | 29.75 | 22.20 & 69.70 | |
| 13.25 | Z1 | 30.5 | 22.40 & 70.40 | |
| 13.5 | 31 | 22.61 & 71.00 | ||
| 13.75 | Z2 | 31.75 | 22.81 & 71.70 | |
| 14 | Z3 | 32.25 | 23.01 & 72.30 | |
| 14.25 | 33 | 23.22 & 72.90 | ||
| 14.5 | Z4 | 33.5 | 23.42 & 73.60 | |
| 14.75 | 34.25 | 23.62 & 74.20 | ||
| 15 | 34.75 | 24.23 & 76.10 |

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Every piece is made to order โ from first sketch to the final polish.
Step 1
We finalise your design and hand-pick the certified center stone.
Step 2
Master jewelers cast and shape the band to exact specifications.
Step 3
Each stone is hand-set and the piece is polished to a mirror finish.
Step 4
Final inspection, certification, and luxury gift packaging.
Real diamonds grown in a lab โ chemically and optically identical to mined diamonds, graded on the same 4Cs, at a lower price and conflict-free.
All metal is solid (10K/14K/18K gold or platinum), never plated.
Yes โ share your idea and we'll craft it with a CAD preview before production.
Yes, an IGI certificate ships with every lab-grown diamond centre stone. Moissanite pieces do not come with a grading certificate.
Made-to-order pieces ship in about 7โ8 business days with insured tracking. Free worldwide.
Yes, we ship worldwide. Import duties may apply by country.
We accept PayPal, plus major credit and debit cards through PayPal's secure checkout โ no PayPal account needed.
30-day return or exchange on eligible items. Custom/engraved pieces are non-returnable except for defects. Refunds issued ~2 days after inspection.
Yes โ one complimentary resize after delivery; contact us with your new size.
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