cushion cut and round lab-grown diamond ring in white gold by THE LAB Jewellers
Arabella — Cushion Cut and Round Lab-Grown Diamond Ring (3.50ct Total) — worn close-up detail
Arabella — Cushion Cut and Round Lab-Grown Diamond Ring (3.50ct Total) — worn on the hand
Arabella — Cushion Cut and Round Lab-Grown Diamond Ring (3.50ct Total) — worn, angled detail
cushion cut and round lab-grown diamond ring in yellow gold by THE LAB Jewellers
cushion cut and round lab-grown diamond ring in rose gold by THE LAB Jewellers
Ring white gold view 1
Ring white gold view 2
Ring white gold view 3
Ring white gold view 4
Ring yellow gold view 1
Ring yellow gold view 2
Ring yellow gold view 3
Ring yellow gold view 4
Ring rose gold view 1
Ring rose gold view 2
Ring rose gold view 3
Ring rose gold view 4
Cushion Cut and Round Lab-Grown Diamond Ring (3.50ct Total) — 360° spin video

Arabella — Cushion Cut and Round Lab-Grown Diamond Multi-Band Ring (3.50ct Total)

Approx. 3.50ct total · Cushion (square) and round

D–F colour · VS1+ clarity · IGI report included

Made to order — dispatched in around four weeks, hallmarked where required

Regular price£2,950.00
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Free tracked and signed-for UK delivery. View delivery details.

Metal

Made in your size at no extra cost. Ring size guide

Not sure of your size? Order a strap sizer — it is £5.00, and we email the full £5.00 straight back to you as a gift card, so it comes off the price of your ring.

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Lab-grown diamond quality

D–F colour  ·  VS1 clarity or better

Every lab-grown diamond is D–F colour and VS1 clarity or better. Round brilliant lab-grown diamonds can receive a formal cut grade; fancy shapes are assessed through their proportions, polish, symmetry and overall make. Any piece whose centre stone, on its own, weighs 1.00ct or more includes an individual IGI grading report as standard. Total carat weight does not count towards this.

Arabella is built around scale, but its design is not about one stone alone. A square cushion centre holds the eye first, then 42 round accents extend the impression across a multi-band composition. It feels generous, celebratory and worthy of the moments that change how life is remembered.

The principal 8.00 x 8.00mm cushion-cut lab-grown diamond weighs 3.00ct. Alongside it are 42 round lab-grown diamonds, each measuring 1.40mm. Forty-three stones bring the total to approximately 3.50ct, pairing the broad square centre with a repeated rhythm of smaller round forms.

Arabella builds beyond the centre

Arabella gives a 3.00ct cushion centre a complete supporting design rather than leaving its scale isolated. Forty-two matching 1.40mm round accents bring rhythm to the multi-band form and take the total weight to approximately 3.50ct. The centre includes an independent IGI grading report. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel.

  • Stone type: Lab-grown diamond
  • Stone shape: Cushion (square) and round
  • Stones: 1 × 8.00 x 8.00mm cushion (3.00ct) and 42 × 1.40mm round
  • Stone count: 43 lab-grown diamonds
  • Total lab-grown diamond weight: approximately 3.50ct
  • Certificate: includes an independent IGI grading report for the centre stone, at no extra cost.
  • Metal options: 14kt or 18kt White, Yellow or Rose Gold

Ring Size

This ring is made to order in your size. Choose your UK ring size when you order — there is no extra charge for any size. If you are unsure of your size, our ring sizer makes it easy at home — and your £5 comes straight back to you as a gift card. Standard UK sizes are available — if you need guidance, contact us before placing your order.

Made to Order

Every piece is crafted to your chosen metal and size. Our usual timeline is around four weeks from order to dispatch, which includes UK hallmarking where required. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.

Wearing Arabella

Arabella has the scale and detail to carry a significant occasion on its own. Its multi-band design pairs the 8.00 x 8.00mm cushion centre with 42 round accents, while White, Yellow or Rose Gold lets you choose the character of the whole ring.

Questions about Arabella

How large is Arabella's cushion centre?
The square cushion-cut lab-grown diamond measures 8.00 x 8.00mm and weighs 3.00ct. It is the largest of Arabella's 43 stones and forms the clear centre of the multi-band design.

What are Arabella's accent stones?
Arabella includes 42 round lab-grown diamonds, each measuring 1.40mm. Together with the cushion centre, they bring the complete ring to approximately 3.50ct across 43 stones.

Does Arabella include an IGI grading report?
Yes. The 3.00ct centre lab-grown diamond comes with an independent IGI grading report at no extra cost. Every lab-grown diamond used is D to F colour and VS1 clarity or better.

Jewellery Care

Store separately in the pouch or box provided. Avoid contact with harsh chemicals, perfume, and chlorine. Clean gently with a soft cloth or mild soap solution. Remove before swimming, exercising, or sleeping. See our Materials & Care guide for full instructions.

Need help choosing?

Unsure on size, metal, or lab-grown diamond specification? Email us and we'll guide you to the right option before you order — we reply personally, within two working days.

All pieces are made to order. Sterling silver and gold pieces dispatch in around four weeks, which includes UK hallmarking where required. Every order is tracked and signed for, and UK delivery is free. See how your piece is made, plus our Shipping & Delivery and Returns & Refunds pages for full details.

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