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 RT9

    Round Brilliant Trilogy Diamond Ring Platinum RT9

    Price range: $5,100 through $7,300

    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 RT9 is priced with Natural Diamonds in H colour, Si clarity, and 1.00 carats total. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information 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-Rose-3D

    Round Brilliant Trilogy Diamond Ring Rose Gold RT9

    Price range: $4,500 through $6,700

    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 RT9 is priced with Natural Diamonds in H colour, Si clarity, and 1.00 carats total. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information 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: $4,500 through $6,700

    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 RT9 is priced with Natural Diamonds in H colour, Si clarity, and 1.00 carats total. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information 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: $4,500 through $6,700

    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 RT9 is priced with Natural Diamonds in H colour, Si clarity, and 1.00 carats total. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Round Brilliant Trilogy Diamond Ring Platinum RT11

    Round Brilliant Trilogy Diamond Ring Platinum RT11

    Price range: $5,100 through $7,300

    This Round Brilliant Trilogy Diamond Ring RT11 in luxurious Platinum has a modern zig-zag pattern to suspend the diamonds. This unique design features (3x) 0.25ct Round Brilliant Diamonds, 0.75 carat total. The Trilogy Ring RT11 is priced using Natural Diamonds in H colour, Si clarity, and 0.75 carat total. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Trilogy-Diamond-Ring-RT11-Round-Brilliant-Diamond-Rose-3D

    Round Brilliant Trilogy Diamond Ring Rose Gold RT11

    Price range: $4,500 through $6,700

    This Round Brilliant Trilogy Diamond Ring RT11 in beautiful Rose Gold has a modern zig-zag pattern to suspend the diamonds. This unique design features (3x) 0.25ct Round Brilliant Diamonds, 0.75 carat total. The Trilogy Ring RT11 is priced using Natural Diamonds in H colour, Si clarity, and 0.75 carat total. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Trilogy-Diamond-Ring-RT11-Round-Brilliant-Diamond-Platinum-3D-600x600

    Round Brilliant Trilogy Diamond Ring White Gold RT11

    Price range: $4,500 through $6,700

    This Round Brilliant Trilogy Diamond Ring RT11 in bright White Gold has a modern zig-zag pattern to suspend the diamonds. This unique design features (3x) 0.25ct Round Brilliant Diamonds, 0.75 carat total. The Trilogy Ring RT11 is priced using Natural Diamonds in H colour, Si clarity, and 0.75 carat total. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Trilogy-Diamond-Ring-RT11-Round-Brilliant-Diamond-Yellow-3D

    Round Brilliant Trilogy Diamond Ring Yellow Gold RT11

    Price range: $4,500 through $6,700

    This Round Brilliant Trilogy Diamond Ring RT11 in classic Yellow Gold has a modern zig-zag pattern to suspend the diamonds. This unique design features (3x) 0.25ct Round Brilliant Diamonds, 0.75 carat total. The Trilogy Ring RT11 is priced using Natural Diamonds in H colour, Si clarity, and 0.75 carat total. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Round Brilliant Trilogy Diamond Ring Platinum RT12

    Round Brilliant Trilogy Diamond Ring Platinum RT12

    Price range: $5,100 through $7,300

    Our Round Brilliant Trilogy Diamond Ring RT12 in luxurious Platinum features milgrain beading and engraving for a vintage look. This stunning ring style is pictured with (1x) 0.50ct Round Brilliant Diamond in the centre and (2x) 0.25ct Round Brilliant Diamonds on the side (1.00 carat total). The RT12 is priced using Natural Diamonds in H colour, Si clarity, and 1.00 carat total weight. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Trilogy-Diamond-Ring-RT12-Round-Brilliant-Diamond-Rose-3D

    Round Brilliant Trilogy Diamond Ring Rose Gold RT12

    Price range: $4,500 through $6,700

    Our Round Brilliant Trilogy Diamond Ring RT12 in beautiful Rose Gold features milgrain beading and engraving for a vintage look. This stunning ring style is pictured with (1x) 0.50ct Round Brilliant Diamond in the centre and (2x) 0.25ct Round Brilliant Diamonds on the side (1.00 carat total). The RT12 is priced using Natural Diamonds in H colour, Si clarity, and 1.00 carat total weight. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Trilogy-Diamond-Ring-RT12-Round-Brilliant-Diamond-Platinum-3D-600x600

    Round Brilliant Trilogy Diamond Ring White Gold RT12

    Price range: $4,500 through $6,700

    Our Round Brilliant Trilogy Diamond Ring RT12 in bright White Gold features milgrain beading and engraving for a vintage look. This stunning ring style is pictured with (1x) 0.50ct Round Brilliant Diamond in the centre and (2x) 0.25ct Round Brilliant Diamonds on the side (1.00 carat total). The RT12 is priced using Natural Diamonds in H colour, Si clarity, and 1.00 carat total weight. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Trilogy-Diamond-Ring-RT12-Round-Brilliant-Diamond-Yellow-3D

    Round Brilliant Trilogy Diamond Ring Yellow Gold RT12

    Price range: $4,500 through $6,700

    Our Round Brilliant Trilogy Diamond Ring RT12 in classic Yellow Gold features milgrain beading and engraving for a vintage look. This stunning ring style is pictured with (1x) 0.50ct Round Brilliant Diamond in the centre and (2x) 0.25ct Round Brilliant Diamonds on the side (1.00 carat total). The RT12 is priced using Natural Diamonds in H colour, Si clarity, and 1.00 carat total weight. Select Lab-Grown Diamonds in F colour and VS clarity for an economical option. Visit a Polished Diamonds Shop or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Round Brilliant Vintage Diamond Ring Platinum RV4

    Round Brilliant Vintage Diamond Ring Platinum RV4

    Price range: $5,100 through $7,300

    Our Round Brilliant Vintage Diamond Ring Platinum RV4 features milgrain beading and engraving for a vintage look. This stunning ring style is pictured and priced with (1x) 0.50ct Round Brilliant Diamond in the centre and (2x) 0.25ct Round Brilliant Diamonds on the side (1.00 carat total). Choose either Natural or Lab-Grown diamonds, and any combination of coloured gemstones, diamond sizes, and design modifications is also available. Visit a Polished Diamonds studio or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Thumb Round Brilliant Vintage Diamond Ring Rose Gold RV4 3D

    Round Brilliant Vintage Diamond Ring Rose Gold RV4

    Price range: $4,500 through $6,700

    Our Round Brilliant Vintage Diamond Ring Rose Gold RV4 features milgrain beading and engraving for a vintage look. This stunning ring style is pictured and priced with (1x) 0.50ct Round Brilliant Diamond in the centre and (2x) 0.25ct Round Brilliant Diamonds on the side (1.00 carat total). Choose either Natural or Lab-Grown diamonds, and any combination of coloured gemstones, diamond sizes, and design modifications is also available. Visit a Polished Diamonds studio or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Thumb Round Brilliant Vintage Diamond Ring White Gold RV4 3D

    Round Brilliant Vintage Diamond Ring White Gold RV4

    Price range: $4,500 through $6,700

    Our Round Brilliant Vintage Diamond Ring White Gold RV4 features milgrain beading and engraving for a vintage look. This stunning ring style is pictured and priced with (1x) 0.50ct Round Brilliant Diamond in the centre and (2x) 0.25ct Round Brilliant Diamonds on the side (1.00 carat total). Choose either Natural or Lab-Grown diamonds, and any combination of coloured gemstones, diamond sizes, and design modifications is also available. Visit a Polished Diamonds studio or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Thumb Round Brilliant Vintage Diamond Ring Yellow Gold RV4 3D

    Round Brilliant Vintage Diamond Ring Yellow Gold RV4

    Price range: $4,500 through $6,700

    Our Round Brilliant Vintage Diamond Ring Yellow Gold RV4 features milgrain beading and engraving for a vintage look. This stunning ring style is pictured and priced with (1x) 0.50ct Round Brilliant Diamond in the centre and (2x) 0.25ct Round Brilliant Diamonds on the side (1.00 carat total). Choose either Natural or Lab-Grown diamonds, and any combination of coloured gemstones, diamond sizes, and design modifications is also available. Visit a Polished Diamonds studio or contact us for information and friendly advice.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page

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