14k Gold Vermeil & Lab-Grown Sapphire
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New standard Gem orders are paid in full; pre-orders can be cancelled before dispatch, and eligible pieces, including sale pieces, have 30-day returns after delivery. Full terms. Earlier orders retain their original terms.
Warranty
Our 2-year warranty covers defects or issues resulting from the workmanship of the jewelry.
THE ALVAURA DIFFERENCE
| Comparison feature | Lab-grown sapphire | Mined sapphire | Moissanite | Cubic zirconia (CZ) |
|---|---|---|---|---|
| What it is | Real sapphire crystal, grown | Real sapphire, mined | Silicon carbide | Zirconium oxide |
| Hardness (Mohs) | 9 | 9 | 9.25 | 8–8.5 |
| Where the colour lives | In the crystal — never fades | In the crystal | Mostly colourless | Dyed, can dull |
Mohs hardness describes resistance to scratching, not resistance to every type of damage.
| Comparison feature | Lab-grown spinel | Mined spinel | Moissanite | Cubic zirconia (CZ) |
|---|---|---|---|---|
| What it is | Spinel crystal, laboratory-grown | Spinel crystal, naturally formed | Silicon carbide | Zirconium oxide |
| Hardness (Mohs) | 8 | 8 | 9.25 | 8–8.5 |
| Where the colour lives | Available in a range of colours | Available in a range of colours | Mostly colourless | Dyed, can dull |
Mohs hardness describes resistance to scratching, not resistance to every type of damage.
| Comparison feature | Moissanite | Lab-grown sapphire | Mined sapphire | Cubic zirconia (CZ) |
|---|---|---|---|---|
| What it is | Silicon carbide | Real sapphire crystal, grown | Real sapphire, mined | Zirconium oxide |
| Hardness (Mohs) | 9.25 | 9 | 9 | 8–8.5 |
| Where the colour lives | Mostly colourless | In the crystal — never fades | In the crystal | Dyed, can dull |
Mohs hardness describes resistance to scratching, not resistance to every type of damage.
| Comparison feature | Lab-grown YAG | Lab-grown sapphire | Lab-grown spinel | Moissanite |
|---|---|---|---|---|
| What it is | Yttrium aluminium garnet, laboratory-grown | Real sapphire crystal, grown | Spinel crystal, laboratory-grown | Silicon carbide |
| Hardness (Mohs) | 8–8.5 | 9 | 8 | 9.25 |
| Where the colour lives | Available in a range of colours | In the crystal — never fades | Available in a range of colours | Mostly colourless |
Mohs hardness describes resistance to scratching, not resistance to every type of damage.
YAG is yttrium aluminium garnet, a laboratory-grown crystal with a garnet-like structure. It is a different material from sapphire, spinel and natural garnet.
Real Gemstones, Lab-Grown
Chemically and physically identical to mined stones, selected for richer color, cleaner light, and a brilliance that feels anything but ordinary.
14K Vermeil & Handcrafted
Thick 14k gold over 925 sterling silver, with every stone hand-set for a more substantial feel and a refined finish from every angle.
Everyday Luxury
Striking enough to make a statement, effortless enough to live in. True luxury doesn’t wait for special occasions.
