Tag: gemstone treatments
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Ruby, spinel, garnet, rubellite, red beryl and coral compared by durability, treatment and price, with how to avoid glass-filled ruby and fakes.
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Amethyst, purple sapphire, spinel, tanzanite, kunzite and iolite compared by durability, fading and treatment, with which suit everyday rings.
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Emerald, tsavorite, peridot, green sapphire, jade and more compared by durability, treatment and price, plus the best emerald look-alikes.
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Blue gemstones ranked for everyday wear: sapphire, aquamarine, topaz, tanzanite, spinel, zircon and more, with treatments, fading and buying tips.
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Which gemstones survive daily wear in an engagement ring, and which need extra care. Hardness, toughness, cleavage, treatments and protective settings compared.