
Bespoke creation · made to order
Platinum Ring with Diamond
An elegant platinum engagement ring featuring a central laboratory-grown princess-cut diamond weighing 0,40 ct. A minimalist yet dazzling design for an extraordinary moment.
The price shown is approximate. It depends on the current prices of precious metals and the gemstones sourced for you, and is always calculated individually for your commission.
Available in these variants
- White gold 14k (585)
- Yellow gold 14k (585)
- Rose gold 14k (585)
- White gold 18k (750)
- Yellow gold 18k (750)
- Rose gold 18k (750)
- Platinum
- 24-month warranty on every piece
- Czech national hallmark on all precious metals — your assurance of genuine, honestly declared materials
- Secure, insured delivery throughout Europe
The story
About this creation
This platinum engagement ring unites nobility, modern purity of design and profound symbolic meaning.
At its centre shines a laboratory-grown diamond weighing 0,40 ct, cut in the princess cut, prized for its contemporary square form and extraordinary brilliance. The crisp facets of the princess cut reflect light to perfection, imparting a striking sparkle and vivacity to the stone.
Platinum, by virtue of its natural whiteness and durability, enhances the diamond's radiance while ensuring the jewel's enduring longevity. The laboratory origin of the stone guarantees not only exceptional quality, but also an ethical and environmentally conscious choice.
This ring is the ideal choice for a marriage proposal, yet thanks to its timeless aesthetic it may equally be worn as an elegant everyday piece.
In detail
Gemstones & parameters
| Gemstone Colour | colourless |
|---|---|
| Cut | Princess (Princess) |
| Gemstone | Laboratory Diamond |
| Metal | Platinum |
| Stone Weight | 0.40 ct |
Living with your jewel
Caring for your jewellery
Caring for jewellery matters more than most people expect. Your creation sparkles newly after a gentle cleansing: most gemstones, and diamonds especially, respond beautifully to a wash in mild soapy water. But not every gem. An emerald, for example, must never be washed this way; its natural character asks for a different, gentler care. Please always ask us how to care for your jewellery, and especially for your gemstone. We will gladly show you.
Gold is a soft metal, and it deserves to be worn thoughtfully: removed for sport and heavy work, kept away from chemicals, stored in its box. And once every couple of years, we recommend bringing your jewel to a jeweller so the prongs can be checked for wear; a five-minute inspection protects a stone for a lifetime.
The presentation
Beautiful gift packaging
Every LA GEM creation arrives in our own gift packaging: a structured box in warm bronze, lined with satin and embroidered with the house name. Whether the piece is a gift for someone extraordinary or a quiet gift to yourself, the moment of opening is part of the jewel.

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