A Collection of Gold and Diamond Insect Brooches, consisting of an antique platinum topped yellow gold insect brooch containing one oval cabochon cut opal measuring approximately 12.27 x 7.07 x 4.26 mm, 16 old mine cut diamonds and one pearl (origin not tested) together with a butterfly brooch containing 40 round brilliant cut diamonds weighing approximately 0.32 carat total. 6.00 dwts.