How it Works
Types of Diamond Cuts
From timeless rounds to romantic hearts, an engagement ring center stone shape is the foundation upon which a personalized design is built.
Round
Cushion
Radiant
Lozenge
Shield
Princess
Pear
Asshcher
Heart
Trillion
Oval
Emerald
Baguette
Marquise
Types of Metal
The precious metal quality and color not only impacts the visual appeal of the ring, but also influences its lasting strength.
Platinum
Usually 95% platinum, iridium, ruthenium and palladium are common alloying metals.
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Hardness (0–10): 4.0–4.5
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Density (g/cm³): 21.45
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Melting point (°C): 1768
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Resizeable?: Yes
White Gold
Commonly an alloy of gold and palladium (or platinum), plated with rhodium.
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Hardness (0–10): 2.5–4.0
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Density (g/cm³): 14.64
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Melting point (°C): 943
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Resizeable?: Yes
Rose Gold
An alloy of gold and copper, with smaller amounts of silver.
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Hardness (0–10): 2.5–4.0
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Density (g/cm³): 15.18
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Melting point (°C): 902
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Resizeable?: Yes
Green Gold
Commonly made from a blend of titanium, vanadium and aluminium.
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Hardness (0–10): 6.0
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Density (g/cm³): 4.506
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Melting point (°C): 1668
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Resizeable?: No
Tungsten Carbide
Alloyed with small amounts of cobalt so that the rings can be more easily shaped.
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Hardness (0–10): 8.5–9.0
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Density (g/cm³): 15.63
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Melting point (°C): 2870
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Resizeable?: No
Palladium
Usually 95% palladium. Other metals make up the remaining 5%, commonly ruthenium.
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Hardness (0–10): 4.8
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Density (g/cm³): 12.02
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Melting point (°C): 1555
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Resizeable?: Yes
Yellow Gold
An alloy of gold with smaller amounts of copper and silver.
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Hardness (0–10): 2.5–4.0
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Density (g/cm³): 15.58
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Melting point (°C): 927
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Resizeable?: Yes
Sterling Silver
Sterling silver must contain 92.5% silver. The remainder is other metals, usually copper.
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Hardness (0–10): 2.5–3.0
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Density (g/cm³): 10.36
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Melting point (°C): 893
Resizeable?: Yes
Black Zirconium
Made by oxidising zirconium to produce a black coating of zirconium oxide.
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Hardness (0–10): 7.5–8.0
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Density (g/cm³): 5.680
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Melting point (°C): 2715
Resizeable?: No
Stainless Steel
An alloy of iron, carbon and other elements. Stainless steel contains min. 10.5% chromium.
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Hardness (0–10): 5.0–6.5
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Density (g/cm³): 8.050
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Melting point (°C): 1370
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Resizeable?: No
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