Amelia halo engagement ring with a round lab-grown alexandrite centre stone and diamond accents, front view.
Amelia halo engagement ring with a round lab-grown alexandrite centre stone and diamond accents, side profile showing the setting and band.
Amelia halo engagement ring with a round lab-grown alexandrite centre stone and diamond accents, end-on view showing the setting and band.
Amelia halo engagement ring with a round gemstone centre stone, worn on a hand.
Amelia halo engagement ring with a round gemstone centre stone, worn on a hand.
Gemstone size comparison chart showing different stone sizes on a hand.
Amelia halo engagement ring with a round lab-grown alexandrite centre stone and diamond accents, front view. Amelia halo engagement ring with a round lab-grown alexandrite centre stone and diamond accents, side profile showing the setting and band. Amelia halo engagement ring with a round lab-grown alexandrite centre stone and diamond accents, end-on view showing the setting and band. Amelia halo engagement ring with a round gemstone centre stone, worn on a hand. Amelia halo engagement ring with a round gemstone centre stone, worn on a hand. Gemstone size comparison chart showing different stone sizes on a hand. Video showing the Amelia halo engagement ring with a round gemstone centre stone.

AMELIA
Lab Grown Alexandrite & Diamond Platinum 950 Halo Ring

£2,150.00 GBP
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Estimated dispatch 22 Nov – 13 Dec . Need it sooner? Call 0161 537 6773
Complimentary Insured Delivery
Free insured delivery & returns with discreet packaging and 50-day returns.
Lifetime Care
Free lifetime warranty, lifetime diamond upgrade and complimentary 1-year resizing.
Finding Your Ring Size
Unsure which size to order? View our Ring Size Guide

This platinum Amelia variation pairs a brilliant round lab-grown alexandrite with diamonds in the halo and at the sides. The coloured gemstone has a clear central shape; the smaller stones create a distinct setting around it.

This design places a lab-grown alexandrite within diamonds at the halo and sides. The ring's details are best understood through its confirmed round centre and the surrounding stonework, without assuming a particular colour shift. From above, the halo makes a ring of smaller stones around the centre. The side diamonds bring that texture towards the band. Amelia's principal colour remains concentrated in the single round gemstone.

Platinum forms a pale frame for the diamond halo and side stones. The centre gemstone gives this version its coloured identity. The halo and side-stone diamonds carry a G/H colour, SI clarity specification of their own.

The brilliant round centre can be chosen from seven listed dimensions, beginning at 5.0mm and reaching 8.0mm. Each has its own carat figure. The setting retains its diamond halo and side detail as the centre's scale changes.

The result is a coloured gemstone ring whose setting adds detail without introducing another coloured stone.

Specification

  • Centre Stone: Lab grown Brilliant Round, Alexandrite, excellent cut
  • Side stones and halo: Diamonds G /H colour SI conflict-free
  • Metal: Platinum 950
  • Setting: Prong halo
  • This ring is wedding ring friendly, and will fit most standard wedding rings
  • This piece has been certified in accordance with the hallmarking Act 1973

Images & Videos

  • Model Hand Image: Amelia Round Cut 0.50ct
  • Product Video: Amelia Round Cut 0.50ct
  • Models wears a ring size UK M

The number of side and halo stones may vary slightly from the main image, this is due to the ring size and centre stone size selected.

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Shipping

Lily Arkwright is proud to offer free worldwide delivery and returns.

We aim to dispatch most orders within 7–28 days. Selected bespoke designs may take 5–6 weeks.

Estimated delivery times after dispatch:

  • UK: Next working day
  • Europe: 2–5 working days
  • US & Canada: 3–5 working days
  • Rest of the world: Typically 3–5 working days

All parcels are dispatched through our nominated couriers, fully insured and requiring a signature upon delivery.

Returns

Enjoy a 50-day money-back guarantee with complimentary worldwide return postage on eligible purchases, starting from the date of delivery.

To arrange a return or exchange, please email hello@lilyarkwright.com to request a Returns Number (RN) and return instructions. Please retain proof of postage.

Returned jewellery must be unworn, in its original condition and accompanied by its original packaging and relevant certificates.

Certain engraved, personalised or genuinely bespoke pieces may be excluded from change-of-mind returns, without affecting statutory rights.

For orders exceeding £15,000, the change-of-mind returns period is 14 days rather than 50 days, without affecting your statutory rights.

Please see our Delivery & Returns Policy for full details.

A little bit more sparkle perhaps?

You've found your near perfect Lily Arkwright ring, but there's something missing.

Rather than creating a bespoke ring design, simply select any of our popular ring upgrade packages from pointed prongs to a hidden diamond halo, we've got you covered.

View all upgrades here.

Explore related collections

Alexandrite Engagement Rings (Lab Grown)Halo Lab Grown Gemstone Engagement RingsRound Cut Lab Grown Gemstone Engagement Rings

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Matching Wedding Band

We recommend you match the Amelia Engagement Ring with the Ellora Wedding Band.

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LONDON - MANCHESTER

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ABOUT YOUR CENTRE GEMSTONE

Lab-Grown Alexandrite Engagement Rings: Colour and Design

Lab-grown alexandrite brings a distinctive colour-changing character to an engagement ring. This variety of chrysoberyl can appear bluish-green in some lighting and shift towards purple or reddish tones in others. The strength of the effect varies from stone to stone, so photographs taken in a single light may not show its full appearance.

What Is a Lab-Grown Alexandrite Gemstone?

Laboratory-grown alexandrite has the same essential mineral composition as natural alexandrite but is created in controlled conditions. It is not a diamond or a sapphire. Its changing colour is central to its appeal, particularly when paired with bright accent diamonds that provide a consistent contrast as the centre gemstone changes in different light.

Choosing an Alexandrite Engagement Ring Setting

An oval alexandrite gives a graceful, elongated outline; a round or cushion shape creates a different balance on the hand. A solitaire keeps the focus on the gemstone, while a diamond halo frames its changing colour. Compare the centre stone’s millimetre measurements, the metal tone and the side profile of the setting when choosing a ring for everyday wear.

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