Round Lab Diamond 18K White Gold Three Stone Ring
This is a statement piece with three dazzling diamonds sitting closely together in a perfect setting on an 18k White gold band. Each diamond has a brilliant round cut, is lab-grown, gemologist certified and secured neatly in a four-prong mount. The exquisite setting of this ring gives the band an artistic appearance when viewed from the side. Slipping this ring on your finger is one of the quickest ways to add sophistication to your entire ensemble. You need no other accessory with this three-stone ring. Let the diamonds speak of your fine taste in jewellery.
- Certificate: IGI Certified Diamond
- Metal: 18K White Gold
- Style: Three Stone Plain Shoulder
- Centre Setting: Three Stone Four-prong
- Band width: 1.80mm
Additional information: This ring is wedding ring friendly, and will fit most standard wedding bands. All our jewellery is hallmarked in line with the Hallmarking Act 1973.
The Stone Lab are proud to offer Free Worldwide Delivery.
All parcels are shipped via our nominated couriers and are fully insured to your postal address, every parcel requires a signature upon delivery.
International customers are responsible for local customs and import charges. No customs and import duties are payable within the UK & European Union (excluding Switzerland, Norway & Iceland).
- We aim to dispatch all orders within 2 - 14 days. A small selection of products & bespoke design items do have an extended delivery timescale and can take up to 4 weeks for delivery.
- Loose Precious Gemstones are dispatched within 2 - 5 days.
- A signature is required upon receipt of all orders.
For urgent orders, get in touch with our customer care team and we'll do our best to accommodate an expedited order.
All customised special orders have slightly extended delivery times. Please contact the Customer Care team for further information by emailing: xxxxx
We want to ensure that you are completely satisfied with your purchase from The Stone Lab and offer a 30-day money-back guarantee from the date your order arrives. All items must be returned in an unworn condition, with all original packaging.
We do not accept returns for engraved, made to order items and bespoke design/personalised items.
How to return
To return your order you must notify us in writing at email@example.com.
Please ensure items are returned within 5 working days of notification of return for a full refund or exchange (subject to the conditions above).
We aim to make the refund or exchange within 10 days of receipt of the returned goods. Refunds will be made in the same form as the original payment.
UK Return Postage is FREE
- European and International customers are responsible for return postage costs.
- When returning items please ensure you obtain proof of postage.
- Before returning your order, please request a RETURNS NUMBER (RN) by emailing firstname.lastname@example.org
Any items being returned should be returned by Royal Mail Special Delivery (with the appropriate compensation) to: Steven Stone, 150 Ashley Road, Hale, Altrincham, Cheshire, WA15 9SA.
Please ensure that you fully insure the item(s). As the parcel will be in your responsibility until we sign for it.
Please note that we cannot be responsible for items which are lost on their return to us so please be sure to retain your proof of posting.
Bespoke items specially commissioned can be returned within 7 days of receiving your order. These are items that CAN’T be purchased through this website. Bespoke items are not fully refundable.
The refund amount varies from order to order. Typically, the diamond is fully refunded, and the setting is refunded by approximately 50% (if you wish to know exactly before you place your order, just ask us).
This refund is only available if the item is unworn, in a saleable condition and is returned with its original packaging and certificate(s). You should also include proof of purchase. Please note that all jewellery returned will be checked by our experts to ensure it is as originally sent, by us to you, before a refund is processed.
For items such as create your own ring, 3 stone ring, earrings and pendants (these are items that are made from a diamond and setting), we offer 30 days to change the design. Any difference in cost between the setting designs will be charged.
Faulty And Damaged Goods
In the unlikely event that you receive your item(s) in a faulty or damaged state, please notify us as soon as possible, these items will be dealt with in accordance with our returns procedure. Any item that is found to be damaged or faulty which is not our fault will be charged at the appropriate rate.
Engagement ring features
Learn about our engagement rings
Ethically sourced diamonds
Recycled gold & platinum
Certificated GIA and IGI diamonds
lab grown & moissanite
Your style, the stone lab way
The new generation of jewellery, offering the finest quaity lab created diamonds and gemstones. Planning a last minute proposal? We've got you covered.
Contact us here and we will be happy to help you.
as unique as your loved one
If you are in the process of looking for an engagement ring and would like some assistance please contact the team via online chat, email or WhatsApp.
Most frequently asked questions when buying a lab grown or moissainte piece of jewellery
HOW DO I PLACE AN ORDER?
Ordering with The Stone Lab is quick, easy, and secure. Once you have selected your Stone Lab jewellery, simply follow the below steps:
1. Click on the Add to Cart button, to place the item in your Shopping Bag.
2. Follow the directions through the checkout process to complete your order.
Your order will not be placed until the very end of the checkout process, when you will be asked for your payment information.
DO YOU HAVE A STORE OR SHOWROOM I CAN VISIT?
We have a head office in Manchester and offer virtual consultations.
During your virtual consultation you'll be able to inspect a selection of our beautiful fine jewellery and a member of our jewellery consultancy team will be on hand to answer all your questions.
IS THE STONE LAB A TRUSTED RETAILER?
We are committed to our customers and our knowledgeable team of jewellery consultants work hard to ensure the highest quality service possible.
Our jewellery features only the best quality gemstones including the world’s premium Forever One Moissanite, Chatham gemstones and only the highest quality certified lab diamonds, to ensure our customers receive the highest quality jewellery possible, produced in an ethical and sustainable supply chain in align with our strong values.
We are proud that all our jewellery is crafted, tested, and hallmarked in the UK. Our status as an Assay Assured jewellery retailer guarantees that we exceed all hallmarking standards set by law, so you can trust that you will receive the finest British craftsmanship when purchasing a The Stone Lab item of jewellery.
The Stone Lab are honoured members of the National Association of Jewellers, the UK’s leading jewellery trade association. As a member we have been assessed by the association and abide by a strict code of conduct.
We come highly recommended by previous customers, having achieved a glowing 5 star rating on Trust Pilot and Google over several years.
WHAT IF MY RING DOESN'T FIT?
We are passionate about ensuring that all our customers are one hundred percent satisfied with their ring and therefore offer a one-time free ring resize service (not including postage) on all ring purchases within 30 days of receiving your order.
Please note that it takes approximately 5-10 days to resize your ring.
DO YOUR RING COLLECTIONS FEATURE ANY BRANDING?
None of our fine jewellery features The Stone Lab branding.
We do however hallmark all our jewellery in line with UK regulations. Each hallmark includes a sponsor mark, fineness mark and assay office mark, indicating the piece’s creator, precious metal content, place & year the jewellery was hallmarked. This hallmark isn’t visible when worn and is engraved in extremely small text on the inside of the ring’s band.