Stone Size
Lab Grown Diamond Mayfair Oval Cut Diamond Platinum Ring
The Trefoil ring is a delicate twist to our beloved Trilogy ring and a perfect choice for someone looking for a dainty and timeless style.
Your glistening Oval Lab Grown Diamond has a GH V/S quality rating and is framed on either side by a trefoil cluster of three 1.8mm round brilliant cut Diamond stones, each securely held into place in a claw setting. The design draws the eye to the glistening Lab Grown Diamond centre stone, sitting proudly in a classic open gallery setting crafted from solid Platinum. The open setting of this design allows the light to reflect in all directions, creating a lustrous and sparkling look.
The Lab Grown Diamond Trefoil ring makes for a stunning, classic engagement ring style or the perfect gift for someone you love on a special anniversary, birthday or as a special addition to your jewellery collection.
Please note that any accent stones used in this design will be either natural gemstones or GH/VS natural diamonds sourced using our responsible sourcing parameters
Why Fenton?
Responsibly Sourced
We responsibly hand source our colourful gemstones from the top 10% in the world and select our eco-renewable Solar Diamonds straight from the source.
Certified B-Corporation
Fenton is one of only a few jewellers in the world to achieve a B Corp certification for its commitment to meeting the highest verified standards of social and environmental performance, transparency and accountability.
Renewable Solar Diamonds
Our sparkling Solar Diamonds® are created by eco-friendly, renewable solar energy. They are chemically identical to mined diamonds, with the exact same hardness (10 Mohs) and brilliance, but without the shady sourcing or origin.
Customisable
Our jewellery is crafted to last a lifetime and beyond, so it should be totally unique to you. Instead of an intimidating minefield of options, we built an easy online tool to choose your style and budget.
Which Type Of Ring Is Best For You?
| Customisable Rings | Bespoke | Antique | In Stock | Wedding Bands | |
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| Customisable classic styles that are made-to-order | Entirely bespoke designs and stones made-to-order | A collection of in stock antique and up-cycled rings, delivered in 24 hours | A selection of in-stock rings & bands in our best-selling classic styles, delivered in 24 hours | Customisable Made-to-order Wedding bands | |
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Lead Time
4 - 6 weeks
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Lead Time
6 - 10 weeks
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Lead Time
24 hours
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Lead Time
24 hours
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Lead Time
3 - 4 weeks
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Price From
£1,250
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Price From
£500+
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Price From
£1,250
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Price From
£4,250
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Price From
£395
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Stone Options
Natural Gemstones | Natural & Lab Grown Solar Diamonds
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Stone Options
Natural Gemstones | Natural & Lab Grown Solar Diamonds
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Stone Options
Natural Gemstones | Natural Diamonds
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Stone Options
Natural Gemstones | Lab Grown Solar Diamonds
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Stone Options
Natural Gemstones | Natural Diamonds
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| Resizeable | |||||
| Financeable | |||||
| Customisable | ✕ | ✕ | |||
| Engravable | |||||
| Shop Now | Shop Now | Shop Now | Shop Now | Shop Now |
Compare Our Diamonds
Same sparkle, different sources
Solar Diamond
- Conflict Free
- Through our regulated supply chain, harnessing the science of renewable solar powered lab-grown Diamonds, our Solar Diamonds are 100% conflict free
- GIA Certified Lab Grown Diamond
- Solar Diamonds are chemically identical to Naturally Mined Diamonds, just from a different source. By avoiding the expense of mining and export, Solar Diamonds undercut mined diamonds by up to 4x.
- 1CT EF VS
- Solitaire starting from £2,500
Naturally Mined Diamond
- Kimberley Process
- Our naturally mined diamonds all adhere to the Kimberley Process Certification Scheme (KPCS). The KPCS was created with the aim of controlling and reducing or eliminating the flow of conflict diamonds linked with human rights abuses and the funding of armed conflicts. Learn More Here
- Certified Naturally Mined Diamond
- Following best practice of all luxury retailers, each diamond is accompanied by a certificate (GIA, HRD, IGI) and typically with an inscription of the certificate number on the girdle (side) of the diamond.
- 1CT EF VS
- Solitaire starting from £4,000
Wedding Bands
Lab Grown Diamond Mayfair Oval Cut Diamond Platinum Ring
From £1,950.00
Over 500 Reviews
Lab Grown Diamond FAQs
What's the difference between Lab Grown Diamonds and Solar Lab Diamonds?
What's the difference between Lab Grown Diamonds and Solar Lab Diamonds?
Our Solar Diamonds are a premium option, made in boutique labs exclusively for Fenton. Lab Grown diamonds are created faster and in larger quantities, so are typically lower in price.