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Square Radiant Cut Lab Grown Diamond Hidden Halo Ring with Plain Rounded Band

$752.00$940.00Save 20%
  • Free Shipping & Returns
  • Free Lifetime Warranty
  • Lifetime Diamond Upgrade
  • Free 1-Year Resizing

Center Stone Details

Stone
Lab Grown Diamond
Shape
Square Radiant
Color
E
Clarity
VVS2
Luster
Excellent
Make
Excellent

Side Stone Details

Stone
Lab Grown Diamond
Shape
Round Cut
Color
Colorless
Clarity
VVS
Luster
Excellent
Make
High Quality


Square Radiant Cut Lab Grown Diamond Hidden Halo Ring with Plain Rounded Band

A square radiant cut lab grown diamond sits in four corner claws above a basket lined with micro pave. The square outline with its cropped corners gives the ring a clean geometric face, while the brilliant style faceting inside means it sparkles like a round rather than flashing like a step cut. The band is a plain rounded wire with nothing set into it, so the only decoration anywhere on the ring is the hidden halo, and that only shows when the hand turns. It is the most understated way to wear a square stone.

Center stone details

  • Stone type: lab grown diamond, IGI certified
  • Shape: square radiant cut, square outline with cropped corners
  • Carat weight: choose 2, 3, 4 or 5 carat
  • Colour grade: E
  • Clarity grade: VVS2
  • Cut, polish and symmetry: excellent
  • Setting: four corner claws over a pave wrapped hidden halo basket

Band details

The shank is a solid rounded band, polished to a mirror finish and free of any stones. It keeps a consistent width the whole way round, which makes it one of the easiest engagement rings to resize and the least likely to snag on clothing. The hidden halo is set with matched micro pave diamonds on all four sides of the basket.

Metal options

Choose 925 sterling silver with rhodium plating, or solid 10K, 14K or 18K gold in yellow, rose or white. Rose gold gives the warm blush tone shown in the photographs and is particularly flattering against a square white stone. Yellow gold is the traditional choice for a plain band. White gold, rhodium finished, makes the diamond read a shade whiter. Every metal is hallmarked and every carat weight is available in every metal.

Ring size

This ring is made to order in your size. Select your size at checkout. If you are unsure of your size, order in the size you usually wear and contact us, we will help you confirm it before the ring is cut.

Custom orders

We can add pave to the shoulders, remove the hidden halo, widen or narrow the band, or set a different centre stone shape and carat weight. Send us your idea through https://mapplegems.com/pages/contact and we will send back a quote and a rendering before any metal is cut.

Frequently asked questions

Is the centre stone a real diamond
Yes. A lab grown diamond is chemically, physically and optically identical to a mined diamond and is graded on the same scale by the same laboratories.

Does the ring come with a certificate
Yes. An IGI certificate for the centre stone is included at no extra cost with every order.

What is the difference between a square radiant and a princess cut
A princess has sharp uncut corners, which are the most vulnerable point of the stone. A square radiant has its corners cropped, so it is more robust in daily wear while keeping the same square outline.

What does a hidden halo actually do
It lifts the stone slightly and puts a line of light under the girdle, so the ring sparkles in profile without changing the clean square outline from above.

Why choose a plain band
A plain band never dates, is the easiest style to resize, needs the least maintenance and lets the centre stone carry the whole design. It also pairs with any wedding band you choose later.

Can I wear a wedding band beside it
Yes, and this is one of the easiest settings for it. The straight plain shank lets any band sit flush on either side with no gap.

How long does it take to make
Made to order rings usually leave our workshop within 10 to 14 working days. We confirm the date by email once your size is set.

Why buy a lab grown diamond

A lab grown diamond is grown from a diamond seed under the same heat and pressure conditions that create diamonds in the earth. It has the same hardness of 10 on the Mohs scale, the same refractive index and the same fire. What changes is the origin, the traceability and the price. For the same budget you can buy a considerably larger stone with a higher colour and clarity grade, and you know exactly where it came from.

Our services

  • IGI certificate for the centre stone included free
  • Free resizing within the first 60 days
  • Free worldwide insured shipping
  • Lifetime cleaning and polishing
  • Custom design and CAD rendering before production
  • 30 day return policy on made to order rings

About Mapple Gems

Mapple Gems is a jewellery workshop in Surat, India, the city where a large share of the world diamonds are cut and polished. We cut, set and finish every ring in our own workshop, which is why we can offer custom work at production prices. Every piece is inspected by hand before it is packed.

Select Ring Size Chat with us

Features

  • Comfort-fit: Yes
  • Resizeable: Yes

Pay over time with Affirm, Shop Pay or Klarna — 0% APR options available at checkout. All major cards and PayPal accepted.


Crafted with care

How Our Rings Are Made

Every piece is made to order — from first sketch to the final polish.

Design & SelectionStep 1

Design & Selection

We finalise your design and hand-pick the certified center stone.

Expert CraftsmanshipStep 2

Expert Craftsmanship

Master jewelers cast and shape the band to exact specifications.

Stone Setting & PolishingStep 3

Stone Setting & Polishing

Each stone is hand-set and the piece is polished to a mirror finish.

Quality Check & PackagingStep 4

Quality Check & Packaging

Final inspection, certification, and luxury gift packaging.



Frequently Asked Questions

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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