Antique 18ct Gold and Platinum Diamond Engagement Style Ring
$1,300
Add to cartAntique 18ct Gold and Platinum Diamond Engagement Style Ring
Antique 18k and diamonds 0.13 ct
$1,300
This antique engagement ring style reflects the transition from traditional yellow-gold rings to brighter platinum-set diamond designs. The gold band gives warmth, while the platinum setting helps the diamond appear crisp and bright.
The old cut diamond gives the ring its strongest period character. GIA explains that antique and vintage engagement rings often include old mine or old European cut diamonds. These cuts usually show a softer light return than modern round brilliant diamonds.
Period and Diamond Context
The listing does not confirm one exact era. However, the 18ct gold and platinum combination fits late 19th and early 20th-century jewellery taste. Jewellers often used platinum near diamonds because the white metal enhanced brightness.
The single-diamond design also suits engagement-style jewellery. It places attention on one stone, rather than a larger cluster. As a result, the ring feels delicate, personal, and historically refined.
Design Description
This ring is crafted in 18ct gold and platinum. It features one old cut diamond measuring 3.25mm and weighing 0.15ct.
Ojamie lists the hallmarks as 18C PLAT. The ring measures 4.9mm wide and 5.5mm high. It weighs 2.1g, and the listed size is O
| 18 karat gold and platinum
| Rub and grain set solitaire diamond ring.
| The diamond sits 5.2mm high off the finger the shoulders are pinched
| Taper wider to the back as a half round shank at 1.7mm.
| One diamond totaling 0.13 ct
GIA’s antique and vintage engagement ring guide explains that old mine and old European cut diamonds often appear in antique rings. This supports the ring’s old cut diamond as a key historical feature.
GIA’s diamond quality guide explains that diamond value depends on cut, colour, clarity, and carat weight. This helps frame the 0.15ct old cut diamond as the ring’s central value and beauty feature.
The World Gold Council’s gold jewellery guide explains gold carat and purity in fine jewellery. This gives useful context for the ring’s 18ct gold band and platinum diamond setting.
Within Ojamie, this ring belongs beside Antique Jewellery, Antique Rings, and Engagement Rings. It suits a collector who wants an old cut diamond, a slim antique profile, and 18ct gold with platinum detail.
If you envision a custom variation—perhaps a gemstone of personal significance, a tailored setting, or a detail only you would notice— we invite you to begin a private consultation with our designers to bring your vision to life.
*Our website prices are listed in AUD
Available in rose, yellow, or white
gold
Ready to ship in 2-3 days. For customized orders, see below.
Free
worldwide
delivery
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The Finer Details: At Ojamie, each piece is individually crafted with precision and care.
We hand-select every diamond and gemstone, prioritizing quality over bulk sourcing.
In our design, every detail—from the setting’s thickness to the final polish—is thoughtfully refined for lasting beauty.
More than jewellery, our pieces are made to be cherished for a lifetime.
Ready to ship in 2-4 days or 2-4 weeks
In-store pieces ship within 2-4 days, while The Finer back-ordered items take 2-4 weeks to create.
Each piece is individually crafted, and due to the natural variation in gemstones, what you see in the photo may slightly differ. We work exclusively with unique, natural gemstones, chosen to match your style, ensuring your jewellery is truly one of a kind.

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Cautious care will preserve the original gloss and elegance and may prohibit future restoration of your jewellery.








