Round Neck Diamond Jewelry

Round Neck Diamond Jewelry

Many people run into problems when buying or wearing round diamond necklaces, things like uncertified diamonds, loose settings, or pieces that don’t sit right on the neckline. These issues can cause more than just frustration; they often mean wasted money, lost stones, or a necklace that quickly loses its shine. 

At Diagaa, every necklace is made with certified diamonds, secure craftsmanship, and designs created to shine beautifully for years. With a piece that blends elegance and reliability, you’ll never have to worry about your investment, just enjoy the confidence of wearing jewelry that always looks its best. Discover your perfect round diamond necklace at Diagaa

90 products

Delicate curved bar round diamond necklace featuring prong-set diamonds on a fine yellow gold chain with a white background.
Close-up of a delicate curved bar round diamond necklace with prong-set stones, elegantly styled on a model in beautiful 18K yellow gold.

0.59 CT Round Cut Lab Grown Curved Diamond Bar Necklace

From $365.00 USD

A single brilliant Round Diamond necklace pendant securely bezel-set in polished 14K white gold on a delicate chain with a white background.
Model wearing an elegant Round Diamond necklace with a bezel-set solitaire diamond on a fine 14K white gold chain.

1 CT Round Cut Natural Solitaire Diamond Bezel Set Necklace

From $235.00 USD

A single brilliant Round Diamond necklace pendant securely bezel-set in polished 14K white gold on a delicate chain with a white background.
Model wearing an elegant Round Diamond necklace with a bezel-set solitaire diamond on a fine 18K white gold chain.

3 CT Lab Grown Round Bezel Set Diamond Solitaire Necklace in Solid Gold

From $245.00 USD

Solitaire Round diamond necklace featuring a single brilliant prong-set diamond pendant hanging from a classic white gold chain.
Model wearing a classic Round diamond necklace featuring a single prong-set solitaire pendant on a delicate 14K yellow gold chain.

1 CT Round Brilliant Cut Natural Diamond Solitaire Pendant

From $185.00 USD

Solitaire Round diamond necklace featuring a single brilliant prong-set diamond pendant hanging from a classic yellow gold chain.
Model wearing a classic Round diamond necklace featuring a single prong-set solitaire pendant on a delicate yellow gold chain.

3 CT Round Cut Lab Grown Solitaire Diamond Necklace

From $200.00 USD

Elegant white gold Round diamond necklace featuring a curved bar with prong and pave-set stones on a fine chain with a white background.
Woman wearing a delicate Round diamond necklace with a prong and pave-set solitaire curved bar in white gold.

0.20 CT Round Cut Natural Diamond Curved Bar Necklace

From $325.00 USD

18K Yellow Gold Marquise and Round Cut Diamond Bar Necklace
Woman wearing a delicate Round diamond necklace with a prong and pave-set solitaire curved bar in white gold.

0.20 CT Round Shape Lab Grown Curved Bar Diamond Necklace

From $270.00 USD

Sparkling prong and pave-set Round diamond necklace featuring a center solitaire curved bar in white gold with a white background.
Woman wearing a delicate Round diamond necklace featuring a prong and pave-set solitaire curved bar in white gold.

0.20 CT Round Cut Solitaire Natural Diamond Gold Curved Bar Necklace

From $335.00 USD

Sparkling prong and pave-set Round diamond necklace featuring a center solitaire curved bar in yellow gold with a white background.
Woman wearing a delicate Round diamond necklace featuring a prong and pave-set solitaire curved bar in white gold.

0.20 CT Round Shape Lab Grown Diamond Smile Necklace

From $290.00 USD

Sparkling Round and Marquise diamond necklace featuring a curved bar with prong and pave-set stones in white gold with a white background.
Woman wearing a delicate Round and Marquise diamond necklace featuring a prong and pave-set curved bar in 14K white gold.

0.21 CT Natural Round and Marquise Cut Curved Bar Diamond Necklace

From $325.00 USD

Sparkling Round and Marquise diamond necklace featuring a curved bar with prong and pave-set stones in yellow gold with a white background.
Woman wearing a delicate Round and Marquise diamond necklace featuring a prong and pave-set curved bar in 14K white gold.

0.20 CT Round And Marquise Cut Lab Curved Diamond Bar Necklace

From $300.00 USD

Elegant Round and Marquise diamond necklace featuring a curved bar with prong and pave-set stones in white gold with a white background.
Woman wearing a delicate Round and Marquise diamond necklace featuring a curved bar with prong and pave-set stones in yellow gold.

0.21 CT Round and Marquise Shaped Natural Curved Bar Diamond Necklace

From $335.00 USD

Elegant Round and Marquise diamond necklace featuring a curved bar with prong and pave-set stones in yellow gold with a white background.
Woman wearing a delicate Round and Marquise diamond necklace featuring a curved bar with prong and pave-set stones in yellow gold.

0.20 CT Round and Marquise Cut Lab Diamond Curved Bar Necklace

From $305.00 USD

Beautiful Round and pear diamond necklace featuring a curved bar with prong-set stones in white gold with a white background.
Woman wearing a delicate round and pear diamond necklace featuring a curved bar with prong-set stones in yellow gold.

0.21 CT Natural Diamond Curved Bar Necklace

From $330.00 USD

Beautiful Round and pear diamond necklace featuring a curved bar with prong-set stones in yellow gold with a white background.
Woman wearing a delicate round and pear diamond necklace featuring a curved bar with prong-set stones in yellow gold.

0.21 CT Lab Grown Diamond Curved Bar Necklace

From $280.00 USD

Beautiful Round and pear diamond necklace featuring a diamond-lined curved bar with prong and pave-set stones in white gold with a white background.
Woman wearing a delicate round and pear diamond necklace featuring prong and pave-set stones in white gold.

0.20 CT Natural Diamond Curved Bar Necklace

From $340.00 USD

Beautiful Round and pear diamond necklace featuring a diamond-lined curved bar with prong and pave-set stones in yellow gold with a white background.
Woman wearing a delicate round and pear diamond necklace featuring prong and pave-set stones in white gold.

0.20 CT Lab Grown Diamond Curved Bar Necklace

From $300.00 USD

Trio round diamond necklace featuring a beautiful three-stone prong-set cluster crafted in white gold with a white background.
Woman wearing a delicate three-stone round diamond necklace featuring a prong-set cluster in 14K white gold.

0.15 CT Classic Natural Three Diamond Necklace

From $250.00 USD

Trio round diamond necklace featuring a beautiful three-stone prong-set cluster crafted in yellow gold with a white background.
Woman wearing a delicate three-stone round diamond necklace featuring a prong-set cluster in white gold.

0.15 CT Classic Lab Grown Three Diamond Necklace

From $235.00 USD

Curved five-stone round diamond necklace featuring bezel-set stones in polished white gold with a white background.
Delicate 14K yellow gold round diamond necklace featuring a curved row of five bezel-set diamonds worn by a model.

0.14 CT Natural Five Stone Graduated Diamond Necklace

From $345.00 USD

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