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Lab-Grown Diamond Necklaces

Lab-grown diamond necklaces, curated from our diamond pendants collection, set with 100% ethical lab-created diamonds in a variety of elegant necklace styles. Choose from our suggested designs or contact us for any other style set with a man-made certified diamond.

Lydia
PLGH008
Round Diamond Slider Necklace
Modern solitaire slider pendant. The simple modern design features a full bezel setting around the lab-created diamond where the chain passes through the body of the pendant allowing freedom of movement for you chosen diamond.
PLGD022
4 Stone Diamond Cluster Pendant
Indulge in the captivating beauty of our stunning 4-stone round diamond cluster pendant, expertly crafted with perfectly matched round brilliant cut diamonds. This drop-style pendant design features four dazzling lab-grown diamonds of equal size, available in a choice of carat weights to suit your taste. The diamonds are dazzlingly white and eye-clean, exuding a mesmerizing radiance that's sure to dazzle. The necklace comes with an 18-inch chain and free delivery with your purchase. Treat yourself or a loved one to this exquisite piece of jewellery that is truly a sight to behold.
PA003
Bespoke Garnet and Diamond Halo Necklace
We created the Garnet and diamond halo necklace as a uniquely crafted one-of-a-kind necklace set with a cushion cut Garnet surrounded by ethical lab-grown diamonds. At the heart of this eye-catching design, a large 11 x 10mm 4.87 carat Garnet provides rich reddish pink hues. Contrasting with sparkling whiteness and brilliance over 1 carat of dazzling F colour SI1 clarity encircle the Garnet set into 9-carat white gold with an accompanying trace chain.
PLGB1001
Man-Made Diamond Solitaire Necklace
2-Claw setting with a fixed loop, holding your choice of Lab-Grown round brilliant cut diamond. A solitaire pendant provided with an 18" Box chain.

Lab Grown Diamond Necklaces UK crafted and delivered worldwide


We create lab-grown diamond pendants and necklaces to private and trade clients in the UK and worldwide. Choose from thousands of 100% ethical diamonds, set into our regular or bespoke necklace designs in any precious metal. We tailor each design perfectly to suit your style, budget and specifications. But why choose a lab-grown diamond?


Following on from our lab-grown diamond rings, and lab-grown diamond earrings, we introduced a selection of necklace designs suitable for man-made diamonds. Unlike mined natural diamonds, our lab grown option provides an identical diamond with the same hardness and durability, priced competitively to suit smaller budgets without compromising diamond size. 


In addition to our regular diamond necklace styles, we also create pendant designs by bespoke design, using advanced CAD design techniques for a unique jewellery design tailored to any precise style. 

Lab-grown diamond necklaces

Serendipity Diamonds Ltd. Reg. England No. 5972040 VAT No. 909972870 Registered office: 186 High Street, Ryde, Isle of Wight. PO33 2PN, England