Round Brilliant Diamond Rings

Round brilliant diamond rings showcase the most iconic and timeless of all cuts. With 58 precisely angled facets, this design maximises light reflection for unmatched sparkle. The result is a dazzling display of fire, brilliance, and clarity.

Beloved for their elegance and versatility, round diamonds suit nearly any setting or style. They shine in classic solitaires, glimmer with pavé accents, or glow within a halo. Each ring celebrates refined beauty and enduring craftsmanship. Round brilliant diamonds symbolise eternal love, unity, and deep commitment. Perfect for couples seeking a ring with timeless appeal and emotional meaning.

Explore our full range of round brilliant ring styles.

RS34, Round, Platinum, Diamond Solitaire, 3D

Range of Round Brilliant Diamond Rings

  • Round Brilliant Trilogy Diamond Ring Platinum RT3

    Round Brilliant Trilogy Diamond Ring Platinum RT3

    Price range: $3,100 through $3,800

    Our Round Brilliant Trilogy Diamond Ring RT3 in luxurious Platinum is Art Nouveau at its finest and is simply stunning. The setting has a flow that complements the soft curves of the Diamonds. The price for the Trilogy Ring RT3 includes the Platinum ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Engagement Ring RT3-Round-RG-3D

    Round Brilliant Trilogy Diamond Ring Rose Gold RT3

    Price range: $2,500 through $3,200

    Our Round Brilliant Trilogy Diamond Ring RT3 in beautiful Rose Gold is Art Nouveau at its finest and is simply stunning. The setting has a flow that complements the soft curves of the Diamonds. The price for the Trilogy Ring RT3 includes the Rose Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Trilogy Diamond Ring RT3

    Round Brilliant Trilogy Diamond Ring White Gold RT3

    Price range: $2,500 through $3,200

    Our Round Brilliant Trilogy Diamond Ring RT3 in bright White Gold is Art Nouveau at its finest and is simply stunning. The setting has a flow that complements the soft curves of the Diamonds. The price for the Trilogy Ring RT3 includes the White Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Engagement Ring RT3-Round-YG-3D

    Round Brilliant Trilogy Diamond Ring Yellow Gold RT3

    Price range: $2,500 through $3,200

    Our Round Brilliant Trilogy Diamond Ring RT3 in classic Yellow Gold is Art Nouveau at its finest and is simply stunning. The setting has a flow that complements the soft curves of the Diamonds. The price for the Trilogy Ring RT3 includes the Yellow Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Round Brilliant Trilogy Diamond Ring Platinum RT6

    Round Brilliant Trilogy Diamond Ring Platinum RT6

    Price range: $3,100 through $3,800

    This Round Brilliant Trilogy Diamond Ring RT6 in luxurious Platinum is a favourite style that suspends the diamonds for maximum sparkle. It is a timeless design that will never date and looks terrific! The price for the Trilogy Ring RT6 includes the Platinum ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Trilogy-Diamond-Ring-RT5-Round-Brilliant-Diamond-Rose-3D

    Round Brilliant Trilogy Diamond Ring Rose Gold RT6

    Price range: $2,500 through $3,200

    This Round Brilliant Trilogy Diamond Ring RT6 in beautiful Rose Gold is a favourite style that suspends the diamonds for maximum sparkle. It is a timeless design that will never date and looks terrific! The price for the Trilogy Ring RT6 includes the Rose Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Trilogy-Diamond-Ring-RT5-Round-Brilliant-Diamond-Platinum-3D-600x600

    Round Brilliant Trilogy Diamond Ring White Gold RT6

    Price range: $2,500 through $3,200

    This Round Brilliant Trilogy Diamond Ring RT6 in bright White Gold is a favourite style that suspends the diamonds for maximum sparkle. It is a timeless design that will never date and looks terrific! The price for the Trilogy Ring RT6 includes the White Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Trilogy-Diamond-Ring-RT5-Round-Brilliant-Diamond-Yellow-3D

    Round Brilliant Trilogy Diamond Ring Yellow Gold RT6

    Price range: $2,500 through $3,200

    This Round Brilliant Trilogy Diamond Ring RT6 in classic Yellow Gold is a favourite style that suspends the diamonds for maximum sparkle. It is a timeless design that will never date and looks terrific! The price for the Trilogy Ring RT6 includes the Yellow Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Round Brilliant Trilogy Diamond Ring Platinum RT8

    Round Brilliant Trilogy Diamond Ring Platinum RT8

    Price range: $3,100 through $3,800

    This Round Brilliant Trilogy Diamond Ring RT8 in luxurious Platinum has a modern edge, with the ring wrapping the diamonds. The price for the Trilogy Ring RT8 includes the Platinum ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Trilogy-Diamond-Ring-RT8-Round-Brilliant-Diamond-Rose-3D

    Round Brilliant Trilogy Diamond Ring Rose Gold RT8

    Price range: $2,500 through $3,200

    This Round Brilliant Trilogy Diamond Ring RT8 in beautiful Rose Gold has a modern edge, with the ring wrapping the diamonds. The price for the Trilogy Ring RT8 includes the Rose Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Trilogy-Diamond-Ring-RT8-Round-Brilliant-Diamond-Platinum-3D-600x600

    Round Brilliant Trilogy Diamond Ring White Gold RT8

    Price range: $2,500 through $3,200

    This Round Brilliant Trilogy Diamond Ring RT8 in bright White Gold has a modern edge, with the ring wrapping the diamonds. The price for the Trilogy Ring RT8 includes the White Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Trilogy-Diamond-Ring-RT8-Round-Brilliant-Diamond-Yellow-3D

    Round Brilliant Trilogy Diamond Ring Yellow Gold RT8

    Price range: $2,500 through $3,200

    This Round Brilliant Trilogy Diamond Ring RT8 in classic Yellow Gold has a modern edge, with the ring wrapping the diamonds. The price for the Trilogy Ring RT8 includes the Yellow Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Round Brilliant Trilogy Diamond Ring Platinum RT9

    Round Brilliant Trilogy Diamond Ring Platinum RT9

    Price range: $3,100 through $3,800

    The Round Brilliant Trilogy Diamond Ring RT9 in luxurious Platinum features gorgeous, flowing claws that effortlessly suspend the diamonds, creating a sparkle and presence. The price for the Trilogy Ring RT9 includes the Platinum ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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  • Trilogy-Diamond-Ring-RT9-Round-Brilliant-Diamond-Rose-3D

    Round Brilliant Trilogy Diamond Ring Rose Gold RT9

    Price range: $2,500 through $3,200

    The Round Brilliant Trilogy Diamond Ring RT9 in beautiful Rose Gold features gorgeous, flowing claws that effortlessly suspend the diamonds, creating a sparkle and presence. The price for the Trilogy Ring RT9 includes the Rose Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Trilogy-Diamond-Ring-RT9-Round-Brilliant-Diamond-Platinum-3D-600x600

    Round Brilliant Trilogy Diamond Ring White Gold RT9

    Price range: $2,500 through $3,200

    The Round Brilliant Trilogy Diamond Ring RT9 in bright White Gold features gorgeous, flowing claws that effortlessly suspend the diamonds, creating a sparkle and presence. The price for the Trilogy Ring RT9 includes the White Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Trilogy-Diamond-Ring-RT9-Round-Brilliant-Diamond-Yellow-3D

    Round Brilliant Trilogy Diamond Ring Yellow Gold RT9

    Price range: $2,500 through $3,200

    The Round Brilliant Trilogy Diamond Ring RT9 in classic Yellow Gold features gorgeous, flowing claws that effortlessly suspend the diamonds, creating a sparkle and presence. The price for the Trilogy Ring RT9 includes the Yellow Gold ring and (2x) 0.25ct Round Brilliant Cut Diamonds on the sides. Select a Natural or Lab-Grown Diamond for the centre stone, and the gold quality to complete the price. Visit a Polished Diamonds Showroom or contact us for personal service and friendly advice.

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Auckland Showroom

95c Ponsonby Road,
Grey Lynn
Auckland 1011

0800-233-299
auckland@polisheddiamonds.co.nz

Wellington Showroom

42 Lady Elizabeth Lane,
Waterfront – CBD
Wellington 6011

0800-233-299
wellington@polisheddiamonds.co.nz

Christchurch Showroom

30 New Regent Street,
Christchurch CBD,
Christchurch 8011

0800-233-299
christchurch@polisheddiamonds.co.nz

Find the ring
she’ll never take off.

Expert Guidance

In-store and virtual appointments with our jewellery specialists

Lifetime Warranty

Every piece is backed by our comprehensive lifetime guarantee

Finance Options – Visit Design Studios

Flexible finance available — speak with us in studio to find the right option

Certified Diamonds

GIA and IGI certified stones with full quality documentation