Choosing an engagement ring for your partner without their input is one of the most meaningful — and nerve-wracking — purchases you'll ever make. With the right approach, it doesn't have to be a guessing game.
Start with the metal
Metal is the easiest starting point because it's visible in everyday jewellery. Look at what your partner already wears. Yellow gold? White or silver metals? A mix? This is usually the most reliable signal. If they wear primarily yellow gold, choose 18K yellow gold. White or silver metals: 18K white gold or platinum. If both: yellow gold is the safer, more distinctive choice.
Then think about setting style
Consider whether your partner gravitates towards:
- Classic and understated: A clean solitaire — one stone, beautifully set. The hardest to get wrong.
- Romantic and distinctive: A vintage-inspired setting with milgrain detail or Art Deco geometry.
- Bold and modern: An east-west emerald cut or thick-banded contemporary design.
- Sentimental and unique: A toi et moi design — two stones, two people.
Then choose the diamond shape
The most popular shapes in Australia right now: oval cut (flattering, romantic, appears larger face-up — the most popular shape in Australia for three years running); emerald cut (sophisticated, architectural, glassy sparkle — growing fast in 2026); radiant cut (more brilliant than emerald, more structured than oval); marquise cut (elongating, distinctive, good for someone who wants something different).
Use the people who know your partner
A close friend, sister, or parent who knows their style is an underrated resource. Ask them — most people are delighted to be involved. They may know about specific rings your partner has admired.
It doesn't have to be perfect — it has to be thoughtful
A ring chosen with genuine care will almost always land well, even if it's not exactly what they would have picked themselves. Adjustments after the proposal — a resize, a style swap — are a lovely conversation to have together.
Explore Una Diamond's full collection, or book a free styling consult and our team will help you choose with confidence.
Explore Una Diamond Rings
If you're looking for a starting point, here are some of our most-loved styles — each handcrafted to order in solid 18K gold or platinum with an IGI-certified lab-grown diamond:
- The Georgina — a classic oval-cut solitaire
- The Celina — an east-west emerald-cut with real presence
- The Nova — a pear and emerald toi et moi
- The Marina — a bold marquise-cut
- The Roma — a radiant-cut signet