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3 Carat Diamond Engagement Rings

Striking the perfect balance between elegance and impact, these rings are designed for those who want their love to shine in a big way. Our 3 carat diamond ring collection showcases an exquisite range of cuts, settings, and styles, each crafted to highlight the beauty and brilliance of a larger stone.

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1300 929 888 DX Melbourne DX Sydney
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Style
Stone Shape
Metal
Gold band ring with an emerald-cut diamond solitaire set in four prongs against a white background.
A gold ring with a thin band and a large, rectangular clear gemstone in a raised silver prong setting.
18ct Yellow Gold - Emerald - Solitaire

Eden

from $2,344
A round solitaire diamond ring with a thin, polished white gold band and four-prong setting.
A solitaire diamond ring with a thin silver band and a round, prong-set diamond in a simple setting.
Platinum - Round - Solitaire

Edith

from $2,484
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18ct Yellow Gold - Marquise - Solitaire

Lucy

from $2,592
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Platinum - Round - Accent

Amelia

from $3,947
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18ct White Gold - Oval - Accent

Maddison

from $3,192
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18ct Yellow Gold - Round - Accent

Ivy

from $3,643
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18ct Yellow Gold - Marquise - Accent

Maya

from $3,050
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18ct White Gold - Cushion - Halo

Colette

from $4,027
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18ct Yellow Gold - Round - Solitaire

Nancy

from $2,538
A solitaire diamond ring with an oval-cut diamond set on a simple, polished white gold band.
A white gold solitaire ring with a round-cut diamond set in a classic prong setting, viewed from the side.
18ct White Gold - Oval - Solitaire

Alexandra

from $2,468
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18ct White Gold - Round - Trilogy

Simone

from $3,603
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18ct Yellow Gold - Oval - Solitaire

Lucy

from $2,622
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18ct Yellow Gold - Round - Solitaire

Lucy

from $2,612
A gold ring with an oval-cut diamond in a four-prong setting, viewed from the front against a white background.
Gold solitaire ring with a round, prong-set diamond and a halo of small accent diamonds on the setting.
18ct Yellow Gold - Oval - Solitaire

Elaine

from $2,597
A silver band ring with a single oval-shaped diamond set in a four-prong solitaire setting.
A solitaire diamond engagement ring with a slim, polished band and a raised, prong-set round diamond.
Platinum - Oval - Solitaire

Edith

from $2,494
Oval diamond ring with two round and two marquise diamonds on a yellow gold band, viewed from the front.
Gold ring with a round center diamond and two smaller side diamonds in a white gold prong setting.
18ct Yellow Gold - Oval - Accent

Maya

from $3,080
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18ct Yellow Gold - Round - Halo

Georgina

from $3,125
A pear-shaped diamond ring with a double halo and pavé diamonds on a white gold band.
A white gold engagement ring with a round center diamond, halo setting, and diamonds on the band.
18ct White Gold - Pear - Halo

Colette

from $3,687
A pear-shaped diamond ring with five round side stones set in a polished white metal band.
Side view of a white gold ring with a large round center diamond and two smaller round diamonds on each side.
Platinum - Pear - Accent

Maya

from $2,918
A silver ring with a large oval-cut clear diamond set in a simple, polished band.
A silver solitaire ring with a round diamond and small accent stones on the setting, shown on a white background.
Platinum - Oval - Solitaire

Elaine

from $2,571
A pear-shaped diamond ring with a halo and band of round diamonds set in white metal.
A white gold ring with a round diamond center and pavé diamonds along the band in a prong setting.
Platinum - Pear - Halo

Sadie

from $4,340
A gold band ring with a cushion-cut diamond solitaire set in a four-prong white gold or platinum setting.
A gold band engagement ring with a round, prong-set diamond solitaire on a white background.
18ct Yellow Gold - Cushion - Solitaire

Elaine

from $2,837
A marquise-cut diamond ring with smaller round and marquise side diamonds on a polished silver band.
Side view of a silver ring with a large central diamond and two smaller diamonds in an elegant prong setting.
Platinum - Marquise - Accent

Maya

from $2,988
A gold ring with a square-cut diamond center and small round diamonds along the band.
A gold ring with side diamonds and a large round diamond set in a white gold prong setting.
18ct Yellow Gold - Radiant - Accent

Millie

from $3,149
Gold band ring with three round diamonds: one large center stone and two smaller side stones.
Yellow gold ring with three round-cut diamonds in prong settings, shown from a side angle on a white background.
18ct Yellow Gold - Oval - Trilogy

Alice

from $3,050
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18ct Rose Gold - Round - Accent

Ivy

from $3,643
Platinum ring with a large, heart-shaped diamond solitaire on a simple polished band, shown on a white background.
A silver solitaire ring with a round, prong-set diamond displayed on a plain, polished band.
18ct White Gold - Heart - Solitaire

Isabel

from $2,802
Oval-cut diamond ring with a pavé band and four prongs on a white background.
A white gold pavé diamond engagement ring with a large round center stone in a raised prong setting.
Platinum - Oval - Accent

Bethany

from $3,719
A silver ring with a large round diamond in a six-prong solitaire setting on a plain band.
A solitaire diamond engagement ring with a thin, plain silver band and a prong setting, viewed from the side.
Platinum - Round - Solitaire

Alexandra

from $2,409
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18ct Yellow Gold - Round - Solitaire

Lucy

from $2,612
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Platinum - Round - Accent

Vanessa

from $2,879
Gold ring with a cushion-cut center diamond and marquise side stones, featuring an engraved DX on the band.
Gold ring with large round diamond and oval diamonds set along the band, shown from the side.
18ct Yellow Gold - Radiant - Accent

Katerina

from $3,464
Gold ring with a large cushion-cut diamond center and a twisted band accented with small round diamonds.
A gold ring with a round, prong-set diamond and pavé diamonds along a twisted band.
18ct Yellow Gold - Cushion - Accent

Zinnia

from $3,482
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18ct White Gold - Round - Solitaire

Anastasia

from $2,639
Gold band ring with a large emerald-cut diamond set in a geometric bezel setting, on a white background.
Gold ring with a thin band and a horizontally-set oval diamond in a white metal bezel setting, side view.
18ct Yellow Gold - Emerald - Solitaire

Isla

from $2,366
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18ct White Gold - Oval - Solitaire

Lucy

from $2,622

Explore Our 3 Carat Diamond Ring Collection

At DX Diamonds, we take pride in curating a selection of 3 carat diamond rings that showcase exceptional quality and refined style. Each piece is carefully selected to highlight the diamond’s natural brilliance, with settings that elevate its presence. From classic solitaire and pavé-accented bands to intricate halo settings and elegant trilogy designs, our 3 carat diamond rings offer a range of styles to suit every preference. For complete peace of mind, all our diamonds come with GIA certification, ensuring authenticity, precise grading, and trusted quality.

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