Round Brilliant Trilogy Diamond Ring Platinum RT12

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

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.

Also available in

Precious Metal Options
Diamond Shape Options

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

Diamond Shape
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Round Round
Precious Metal
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Platinum Platinum
Finger Size
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F F 1/2 G G 1/2 H H 1/2 I I 1/2 J J 1/2 K K 1/2 L L 1/2 M M 1/2 N N 1/2 O O 1/2 P P 1/2 Q Q 1/2 R R 1/2 S S 1/2 T T 1/2 U U 1/2 V V 1/2 W W 1/2 X X 1/2 Y Y 1/2 Z Z 1/2
Diamond Type
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Natural H colour/Si clarity Lab-Grown F colour/VS clarity
Clear selection

Description

More Information – RT12 Round Brilliant Cut Platinum

This Round Brilliant Trilogy Diamond Ring RT12 in luxurious Platinum is an exquisite design that showcases three brilliant-cut diamonds held by detailed claw settings. The band features beautiful engraved accents on the shoulders and classic milgrain detailing along the edges, giving it a sophisticated, antique aesthetic. The price for the Trilogy Ring RT12 includes (1x) 0.50ct & (2x) 0.25ct Natural Diamonds, H colour, Si clarity. Select Lab-Grown Diamonds at F colour, VS clarity for an economical but high-quality option. Select your precious metal: Yellow, Rose, White Gold or Platinum. Contact our friendly team for other options and friendly advice.

Customise Your RT12 Diamond Ring

Handcrafted to the highest standards, this elegant ring makes a meaningful statement and can be customised to suit your love story, budget, and style. Design your ring with the RT12’s fully customisable features:

  • Available in precious metal combinations of Platinum, Palladium, 18kt, 14kt, 10kt and 9kt Yellow Gold, White Gold and Rose Gold.
  • Available in various diamond shapes. These include Round Brilliant, Princess, Radiant, Oval, Emerald, Pear, Marquise, Cushion, and Asscher Cut diamonds.
  • We also supply Sapphires, Rubies, Emeralds and many other precious gemstone varieties.

Crafted with Precision in New Zealand

Every ring is individually made using advanced technology and expert craftsmanship:

  • 3D CAD Design for custom previews
  • Wax-prototype casting for accuracy
  • MRI laser scanning + Rhino CAD for perfect symmetry
  • Hand-finished for quality, comfort, and exceptional workmanship
  • Designed to align seamlessly with future wedding or eternity bands

Start Your Custom Ring Today

Elevate your jewellery collection with a stunning Trilogy Diamond Ring RT12 in luxurious Platinumcustom-made to your exact specifications. Contact Polished Diamonds or visit one of our showrooms to begin your bespoke design journey.

Why Choose Polished Diamonds

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Lifetime Guarantee On Our Custom Jewellery
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Excellent Value for Money at this Level of Quality
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Fast Turnaround – Made In 5-10 Business Days
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Certified Diamonds From GIA, IGI & HRD
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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

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

Certified Diamonds

GIA and IGI certified stones with full quality documentation