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Round Diamond Solitaire Necklaces

Find the perfect round diamond solitaire necklace, crafted by our expert team in a choice of classic or modern necklace styles. Browse our varied collection and celebrate the beauty and sparkle of the round brilliant cut diamond. Every round diamond pendants come with 60 days returns and a lifetime warranty. Choose from any design and precious metal including 950 Platinum, 18ct White Gold, Yellow Gold or Rose Gold.

Bespoke142
Flawless Floating Diamond Necklace
The floating diamond necklace was created as a bespoke solitaire pendant jewellery commission, precision-engineered and handcrafted in Platinum. The necklace was created with an ingenious tension setting to hold the diamond in place while providing a floating effect with simple and elegant design aesthetics to showcase the D colour Flawless 0.56-carat GIA certified natural diamond at the heart of this luxurious bespoke necklace design.
PD041
0.15 Carat Diamond Solitaire Necklace
Available from our ready-made showroom jewellery collection, this simple and elegant 18 carat White Gold solitaire diamond necklace design features a natural round brilliant-cut diamond, 3.5mm in diameter, 0.15 carats in weight graded H colour and SI1 clarity held within a four claw setting and suspended from a matching 18 inch chain with Serendipity Diamonds presentation box. We have just one example available ready to be delivered or collected with free shipping to most locations.
North Star
PH026
Diamond North Star Necklace
The diamond North Star necklace sparkles with a simple yet elegant necklace design handcrafted in a choice of 18ct white gold, 18ct yellow gold or platinum. At the heart of this pendant design, a bezel-set round brilliant cut diamond sparkles in a choice of carat weight options. Enjoy a beautiful presentation in our Serendipity Diamonds gift box, including an elegant 18-inch curb chain provided with your finished necklace.
Celtic
PH025
Celtic Star Diamond Necklace
Featuring a dazzling white round brilliant cut diamond to the centre of a Celtic Knot-designed slider pendant. The pendant suspends from an 18" curb chain crafted from the same luxury metal.
PB1001
2 Claw Round Diamond Solitaire Pendant
2 claw round brilliant cut diamond solitaire pendant provided with chain and available to customise in a range of options. Two claw setting. Fixed loop. Round brilliant cut diamond. Range of diamond sizes available. Supplied with 18" box chain. Wood boxed, gift packaged. 2 - 3 weeks delivery.
PD026
Lotus 4 Claw Round Diamond Solitaire Pendant
Choose from a wide range of diamond options for this luxurious 4 claw round diamond solitaire pendant set with a round brilliant cut diamond. A round brilliant cut diamond solitaire pendant, featuring a single diamond in a simple four claw setting in the Precious Platinum Lotus design. Includes 18" curb chain, also in Platinum. Supplied wood boxed and gift packaged. Approx. 3 weeks for delivery.
PH010
4 Claw Compass Set Round Solitaire Pendant
4 claw round brilliant cut diamond pendant, created with a variation compass oriented 4 claw setting with outstanding simplicity. 4 claw compass styled setting. North-East-South-West Claws. Fixed loop. Curb chain supplied. 18 (others available). Choice of diamond options. Supplied boxed/gift packaged. Available in 18ct White Gold, Yellow Gold and Platinum. 14 working days for delivery.
Lydia
PH008
Modern Round Diamond Slider Pendant
A diamond solitaire slider pendant. Hand-crafted to order, this simple modern design features a full bezel setting around the diamond. The body of the necklace slides gracefully over 18 inch chain included. The slider pendant comes in a variety of options. For example 950 Platinum, White Gold, Yellow Gold and Rose Gold. In addition we craft this elegant rub-over pendant in the UK with delivery Worldwide. Slider pendant design. Chain passes through the body of pendant, sliding gracefully with freedom of movement. Round brilliant cut diamond offered in many size and quality choices. Please allow 3 weeks for this design to be created to your specifications.
Rosebud
PD024
Rosebud Round Diamond Solitaire Pendant
The Rosebud diamond pendant is creatively inspired by nature and simplified in this unique diamond solitaire pendant design. Round brilliant cut diamond. Rosebud style bezel setting. Swinging loop for chain attachment. Supplied with 18" curb chain as shown. Wood boxed, gift packaged, 2-3 weeks for delivery.
PD023
Diamond Wave Necklace
Enjoy spectacular sparkle from the diamond Wave necklace. Elegantly styled, this solitaire diamond pendant design features a unique, contemporary tension style setting to reveal a dazzling round brilliant cut diamond. Round brilliant diamond. Tension style setting. Wave design. Choice of diamond sizes. Supplied with 18" chain. Wood boxed. Gift packaged. Please allow 3 weeks for delivery.
PD021
0.25cts Flow Design Round Diamond Pendant
Flow styled round diamond pendant, with unique naturalistic design, holding a bezel set 0.25cts round brilliant cut diamond. Round Brilliant Cut Diamond 4.0mm stone. G colour SI1 clarity. Slider design for chain. Bezel setting. 18 inch Venetian Box chain supplied. Wood boxed. Gift packaged.
PD020
Simple Flush Set Round Diamond Solitaire Pendant
A simple rounded flush set diamond solitaire pendant, available in a range of diamond sizes and qualities to your exact requirements. Round Brilliant Diamond. Rounded full bezel setting. Fixed loop for chain. 18 Chain supplied. Wood boxed, Gift packaged.
PD012
4 Claw Classic Round Diamond Solitaire Pendant
Modern, simple and aesthetically simple, 4 claw classic diamond solitaire pendant design accompanied by chain. Classic four claw setting. Loupe for chain. Supplied with 18 Chain. Available in 18ct Yellow Gold, White Gold and Platinum. Gift packaged. 3-4 weeks for delivery.
PD005
Round Diamond Solitaire Pendant Part Bezel Set
Simply charming, round diamond solitaire part bezel set pendant, which can be fully personalised to your exact diamond specifications. Partial rub over setting. Round brilliant cut diamond. Small loop at the top of the pendant. Available in 18ct Yellow Gold, 18ct White Gold and Platinum. Supplied with 18" curb chain. Approx 2-3 weeks for delivery. Wood boxed. Gift packaged.
PD004
4 Claw Round Diamond Pendant with Split Bail
Timelessly styled, classic round brilliant cut diamond solitaire pendant with 4 claw setting and split bail for chain. Classic round brilliant cut diamond pendant design. Four claw setting. Available in 18ct Yellow Gold, 18ct White Gold and Platinum. 18" curb chain included. Wood boxed and gift packaged. 2-3 weeks delivery time.
PD003
6 Claw Round Diamond Solitaire Pendant
6 claw round diamond solitaire pendant, fashioned in a timeless tiffany inspired design with your choice of perfectly cut round diamond. Round brilliant cut diamond. Six claw Tiffany style setting. Inclusive of 18 chain. Available in 18ct Yellow Gold, 18ct White Gold. and Platinum. 2-3 weeks delivery. Wood boxed and gift packaged.
PD001A
4 Claw Round Diamond Slider Pendant
4 claw round brilliant cut diamond slider pendant with a simple north-east-south-west compass style setting. Four squared claws. Small integral bale for chain. Supplied with 18' Curb chain. Available in 18ct Yellow Gold, 18ct White Gold and Platinum. Wood boxed, gift packaged, 2-3 weeks delivery time.
PH017
0.10cts Daisy Round Diamond Flower Pendant
Pretty and beautifully crafted 0.10cts round brilliant cut Daisy pendant, with flower design supplied with 18 inch chain. Single diamond 3mm in diameter. Carat weight 0.10cts. Bezel set within an elegant daisy styled setting. Chain passes through body of pendant. Supplied beautifully boxed and gift packaged. 14 working days for delivery. Available in a full range of metal options.

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