A solitaire ring is the most enduring engagement design ever made — one stone, one band, no distraction. Choosing it well comes down to four small decisions that quietly determine how the ring looks for the next fifty years.
Why the solitaire enduresThe solitaire was popularised by Tiffany & Co. in 1886 with their famous six-prong setting, and it has outlasted every trend since. Its appeal is mathematical: with no side stones to compete, every photon that enters the diamond is yours to enjoy. It also flatters every hand shape, every wedding band style, and every era of fashion. If you want a ring you'll love through changes in taste, the solitaire is the safest bet in fine jewellery.
Step 1 — Pick the diamond shape firstThe shape sets everything else. Round brilliants are the most forgiving — they look beautiful in any setting and any metal. Ovals elongate the finger and currently feel modern. Emerald and asscher cuts give a quieter, art-deco elegance. Cushions soften the geometry and pair beautifully with vintage-style metalwork. We cover the trade-offs in our diamond shapes guide.
If you're undecided, look at the wearer's everyday rings: do they wear sharp angles or round shapes? Match the silhouette they already love.
Step 2 — Choose your prong settingThe prongs do two jobs: they hold the stone safely and they shape how light hits the diamond. Common options:
- Four prongs: show more of the diamond and emphasise its geometry, especially for square shapes. Slightly less secure than six prongs.
- Six prongs (Tiffany style): the classic — extra security, lifts the stone higher above the finger so light enters from all sides.
- Bezel: a thin metal rim wraps the entire girdle. Most secure of all, perfect for active lifestyles, slightly mutes brilliance.
- Half-bezel: compromise — bezel on the sides, exposed top and bottom for sparkle.
- Tension setting: a contemporary look where the band's pressure holds the stone. Striking, but harder to resize.
Three considerations interact:
- Diamond colour. If the stone is G or higher (very white), platinum or 18k white gold preserves that icy look. If the stone is I or J (warmer), 18k yellow gold or rose gold flatters and hides the warmth.
- Skin tone. Cool undertones often suit white metals; warm undertones glow with yellow gold; rose gold suits both.
- Existing jewellery. Look at the wearer's other rings, bracelets and watches — match the metal family to keep stacking and layering effortless.
Platinum is denser and more durable than gold but heavier and more expensive. 18k gold is the European fine-jewellery standard; 14k gold is harder and a touch more affordable, common in the US.
Step 4 — Decide on band profileThe band quietly shapes the ring's personality:
- Knife-edge or tapered: a sharper profile for a contemporary feel.
- Comfort fit (rounded inside): easier daily wear — most women prefer this once they try it.
- Cathedral: the band rises gracefully on each side to meet the centre stone. Adds elegance and structural support.
- Hidden halo: a tiny ring of pavé diamonds beneath the centre stone — invisible from the top but adds extra brilliance from the side profile.
The band width also matters: 1.6–2.0 mm flatters most fingers and keeps focus on the stone. Wider bands (2.5 mm+) feel more substantial but can dwarf smaller centre stones.
Where to invest, where to saveOur editors' rule of thumb when budget is tight:
- Spend on cut quality. Excellent or Very Good cut transforms how a stone reads.
- Compromise on clarity. Eye-clean SI1 stones look identical to VVS2 in normal viewing.
- Buy just under round numbers. A 0.92 ct stone often looks identical to a 1.00 ct but costs noticeably less.
- Lab-grown stones let you step up size or quality without changing the budget. See our natural vs. lab-grown comparison.
How long does it take to make a solitaire ring?
Made-to-order solitaires typically take 2–4 weeks for the setting plus shipping for the diamond. Build in extra time for ring sizing if you're surprising someone.
Can I add side stones later?
Yes — many jewellers offer "upgrade" services where the original solitaire stone is reset into a halo or three-stone design for a milestone anniversary.
What's the most-loved solitaire setting today?
A round brilliant in a six-prong knife-edge platinum band remains the bestseller worldwide. Ovals in four-prong settings and bezel-set rounds are the strongest current trends.
Browse our solitaire rings, or read about how to grade the centre stone before you buy.
