The sale, which took place on 28 April, achieved a 76% sold by lot rate and 84% sold by value.
The top lot was a 10.04 carats fine emerald and diamond ring by Bulgari, which sold for £598,750, more than doubling its pre-sale estimate of £180,000 – £200,000.
A further highlight from the auction included a ruby and diamond cluster ring, which achieved over £200,000, representing a 10 times markup of the pre-sale high estimate of £20,000.
Emily Barber, UK director of Jewellery at Bonhams, said: “We are delighted with results of this sale, which saw exceptional pieces from royal and aristocratic collections and established names, alongside exquisite emeralds, rubies and spinels.
“The energetic bidding seen at today’s sale demonstrates that the market for exceptional jewellery continues to thrive.”
Notable royal pieces included a late 19th Century emerald, pearl and diamond bangle, sold for £85,250, and a mid-19th Century onyx cameo, enamel, pearl and diamond bracelet, which achieved £40,250.