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Express your love for each other with a splash of colour. Celebrate your new beginnings with a gemstone engagement ring from Thomas of London. Each beautiful fine quality gemstone has its own unique characteristics ensuring your engagement ring and proposal is one of a kind. Blue sapphire engagement rings with their multitude of shades and colours make a popular choice. Whether you are looking for a pale cornflower blue with softer tones or a rich royal blue to stand out from the crowd, we have an abundance of sapphire gemstones to choose from. Yellow sapphire engagement rings make a bright and cheerful option. Available in a spectacular range of warm hues, from a vibrant pale lemon yellow to a deep rich yellow with orange undertones. For a truly romantic proposal take a look at our sumptuous collection of ruby engagement rings. Symbolising passion and your love for one another a ruby makes the perfect choice to embark on your journey together. For a more personalised approach take advantage of our bespoke design service. Have your gemstone engagement ring custom made by hand in our Hatton Garden workshop.