Step 1
Design & Selection
We finalise your design and hand-pick the certified center stone.
Save 20%An elongated cushion cut lab grown diamond in four claws on a plain band. No accents, no halo, no shaping. The stretched proportion of the stone is the only design decision in the ring, and it is the one that does all the work.
Length to width ratio is the most underrated number in diamond buying. Two cushions of identical carat weight can look very different on the hand depending on how the rough was cut, and a stretched ratio spreads the same weight over a longer face, which reads as a bigger stone and lengthens the finger at the same time. Put that on a narrow plain band with nothing beside it and the effect is as large as the carat weight will ever look.
The shank is a slim plain band with a smooth polished surface, unbroken from the head all the way round. Because nothing is set into it, the ring resizes easily, takes an engraving cleanly inside and will pair with any wedding band chosen later, including a full eternity if you want one.
Choose from 925 sterling silver, or 10K, 14K and 18K gold in yellow, rose or white. Rose gold reads soft and modern against a cushion and is the warmest of the three golds. Yellow gold is the more traditional pairing. White gold and sterling silver make the claws recede so the outline of the stone is all you see. Every metal is finished by hand in our workshop.
This ring is available in a full range of US sizes. Select your size at checkout. If you are unsure of the size, contact us and we will help you measure at home before the ring is made.
We make every ring to order, which means the design can be adjusted. Ask us about a hidden halo, a pave shank, a square cushion instead of elongated, a different carat weight, an engraving inside the band or a matching wedding band. Write to us through https://mapplegems.com/pages/contact and a member of our team will reply with drawings and a quote.
What is an elongated cushion?
It is a cushion cut with a stretched length to width ratio, so the outline is a soft rectangle rather than a near square. It covers more finger for the same weight than a square cushion and flatters the hand by drawing the eye lengthwise.
Why does length to width ratio matter?
Because carat weight measures mass, not size on the hand. Two stones of the same weight can look noticeably different depending on how the rough was cut, and a longer ratio spreads the same weight across a larger visible surface.
How does a cushion cut sparkle?
Its larger facets give broad slow flashes of light rather than the fine rapid scintillation of a round brilliant. Many people describe the effect as candlelight.
Does a plain band make the diamond look bigger?
Yes. With no accents beside it the eye has nothing to measure the centre stone against, and a narrow shank makes the head look proportionally larger.
Is a lab grown diamond a real diamond?
Yes. A lab grown diamond has the same carbon crystal structure, hardness, refractive index and fire as a mined diamond. The only difference is that it was grown in a controlled environment rather than pulled from the ground.
Will I receive a certificate?
Yes. An IGI certificate for the center stone is included with every order at no additional cost.
Which metal is best for daily wear?
14K and 18K gold are the most durable choices for a ring worn every day. 10K is harder still. Sterling silver is softer and suits gentler wear or a first ring.
A lab grown diamond gives you the same optical and physical properties as a mined stone at a far better price for the size and quality. Because the growth conditions are controlled, high color and high clarity stones like the E VVS2 used here are available in large carat weights that would be rare and costly in mined goods. It is also a traceable choice, with a known origin and no mining footprint.
Mapple Gems is a fine jewelry maker based in Surat, India, a city that has cut and polished diamonds for generations. We design and build every piece in our own workshop, from setting the center stone to the final polish, which lets us control quality at each step and offer custom work that larger retailers cannot. We work only with lab grown diamonds and responsibly sourced gemstones.
Pay over time with Affirm, Shop Pay or Klarna — 0% APR options available at checkout. All major cards and PayPal accepted.
Compare ring sizes across international standards — match your size from any region.
| USA · Canada | UK · Australia Ireland · NZ |
Japan · India China · S. Africa |
Spain · Italy Neth. · Switz. |
Inside Ø & 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 |










Every piece is made to order — 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 — 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 — share your idea and we'll craft it with a CAD preview before production.
Yes, IGI/GIA certificates ship with every lab-grown diamond.
Made-to-order pieces ship in about 7–8 business days with insured tracking. Free worldwide.
Yes, we ship worldwide. Import duties may apply by country.
All major cards, PayPal, and installments via Shop Pay / Klarna / Afterpay.
30-day return or exchange on eligible items. Custom/engraved pieces are non-returnable except for defects. Refunds issued ~2 days after inspection.
Yes — one complimentary resize after delivery; contact us with your new size.
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