Collection: Platinum Unique Engagement Rings
One-of-a-kind designs in the metal that keeps its promises — platinum holds fine detail the way the design intended, for as long as anyone's checking.
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Polaris
1ct Oval Lab Grown Diamond in 950 Platinum
Regular price $1,219Regular price$1,219Sale price $1,219 -
Luna
1ct Cushion Lab Grown Diamond in 950 Platinum
Regular price $1,835Regular price$1,835Sale price $1,835 -
Celeste
2ct Round Natural Diamond in 950 Platinum
Regular price $32,495Regular price$32,495Sale price $32,495 -
Auriel
1ct Oval Lab Grown Diamond in 950 Platinum
Regular price $1,509Regular price$1,509Sale price $1,509 -
Astra
2ct Radiant Lab Grown Diamond in 950 Platinum
Regular price $2,045Regular price$2,045Sale price $2,045 -
Andromeda
1ct Emerald Cut Lab Grown Diamond in 950 Platinum
Regular price $1,605Regular price$1,605Sale price $1,605 -
Nora
1.33ct Round Natural London Blue Topaz in 950 Platinum
Regular price $770Regular price$770Sale price $770 -
Leah
2ct Emerald Cut Lab Grown Diamond in 950 Platinum
Regular price $2,165Regular price$2,165Sale price $2,165 -
Amelia
1ct Emerald Cut Natural Aquamarine in 950 Platinum
Regular price $1,320Regular price$1,320Sale price $1,320 -
Cascade
0.5ct Round Lab Grown Diamond in 950 Platinum
Regular price $1,070Regular price$1,070Sale price $1,070 -
Briar
0.5ct Round Lab Grown Diamond in 950 Platinum
Regular price $1,035Regular price$1,035Sale price $1,035 -
Sophia
1ct Marquise Lab Grown Diamond in 950 Platinum
Regular price $1,609Regular price$1,609Sale price $1,609 -
Selene
1ct Cushion Lab Grown Diamond in 950 Platinum
Regular price $1,655Regular price$1,655Sale price $1,655 -
Ember
0.5ct Round Lab Grown Diamond in 950 Platinum
Regular price $2,489Regular price$2,489Sale price $2,489 -
Cora
0.75ct Oval Lab Grown Diamond in 950 Platinum
Regular price $1,665Regular price$1,665Sale price $1,665 -
Alexandra
1ct Round Lab Grown Sapphire in 950 Platinum
Regular price $1,249Regular price$1,249Sale price $1,249
A one-of-a-kind design has a vulnerability mass-produced rings don't: there is no replacement. If a template ring wears its details soft, another exists; when a singular composition loses the fine milgrain, the crisp asymmetric edge, the precise gallery work that made it itself, the design is simply gone. This is why serious custom work has always gravitated to platinum — the metal holds fine detail at a durability gold can't match, its density preserving sculpted elements and micro-settings through decades of wear that would gradually blur them in softer metal. For a ring that exists exactly once, the metal that keeps it exactly as designed is less a luxury than a stewardship decision.
Luvari's platinum unique engagement rings are offered with stones spanning lab grown diamonds, natural diamonds, moissanite, and colored gemstones across our full shape range — and the semi-custom process runs deepest here, building compositions to the wearer. This collection suits the buyer commissioning something unrepeatable — and specifying the metal that agrees it should stay that way.
Luvari's platinum unique engagement rings are offered with stones spanning lab grown diamonds, natural diamonds, moissanite, and colored gemstones across our full shape range — and the semi-custom process runs deepest here, building compositions to the wearer. This collection suits the buyer commissioning something unrepeatable — and specifying the metal that agrees it should stay that way.
Frequently Asked Questions About Platinum Unique Engagement Rings
It is an unconventional design — a toi et moi, east-west setting, asymmetric or cluster composition — executed in platinum, the naturally white metal whose density preserves fine detail most permanently. It pairs the category's most personal designs with the metal most committed to keeping them intact.
Preservation — the fine elements that define a singular design, from milgrain edges to sculpted galleries to micro-set accents, wear soft in gold over decades but hold their crispness in platinum's denser metal. A design that exists once has no replacement if its details blur, which makes the preserving metal the professional default for it.
No — the metal takes every form the category asks, from flowing asymmetry to hard geometry, and its strength actually enables more: finer prongs, thinner rails, and more delicate structures hold securely in platinum than gold equivalents dare. Designers reach for it when the composition pushes limits, not despite that.
Luvari offers platinum unique engagement rings with stones spanning lab grown diamonds, natural diamonds, moissanite, and colored gemstones across the full shape range. The semi-custom process runs deepest in this collection, tailoring orientations, pairings, and compositions to the wearer.
Like a signature aging into an autograph — the satin surface platinum develops reads as provenance on a singular piece, the visible record of the ring's one life, while the preserved details underneath stay sharp. Owners of custom platinum work polish it least of anyone; the patina is part of what makes theirs theirs.















