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| An opal and diamond necklace and detachable pendant, late 19th century, formerly belonging to Princess Ceril Birabongse of Siam. |
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| An aquamarine and diamond demi parure, circa 1950. |
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| A platinum and sapphire necklace by E. Pearl. |
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| A platinum, diamond and aquamarine necklace by Van Cleef & Arpels, circa 1960. |
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| A platinum, sapphire, and diamond necklace by Van Cleef & Arpels, circa 1950. |
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| A ruby, diamond, sapphire and gold necklace by Bucherer. |
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| A sapphire and diamond necklace, late 19th century. The necklace is detachable into 6 different pieces. |
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| An aquamarine and diamond necklace, which is part of a parure including a tiara and brooch. This necklace belongs to Queen Elizabeth II, and is worn often by her. |