KARL GAN RING IN 18K YELLOW GOLD, DIAMONDS AND RUBIES Mark of Karl Gan, Supplier to the Imperial High Court, St Petersburg, 1873 - 1911 18k yellow gold ring set with an oval ruby weighing approx. 3.00 ct. surrounded by diamonds weighing approx. 1.30 ct. Hallmarks: Russian 18k gold hallmark '72' and 'kokoshnik head turned to the right', Cyrillic master hallmark 'K.GAN', French guarantee hallmark 'hibou'. size : 54-55 gross weight: 6.80 g Karl August Gan (1836-1899) founded the 'K.Gan' company in St Petersburg in 1873, which had a workshop producing gold and diamond objects. From the 1880s onwards, the company fulfilled orders from the Imperial Court and, in 1893, was honoured as a supplier to the Imperial High Court. The 'K.Gan' company is renowned for its exceptional artistic jewellery decorated with richly coloured enamels and precious stones. Among its most remarkable works - a replica of Empress Maria Feodorovna's crown, made for the coronation of Alexandra Feodorovna, the Order of St Andrew in diamonds, a kokoshnik in diamonds - all are masterpieces of the art of jewellery making. At the buyer's request, we will be happy to provide a general condition report on the lot described above. However, as we are not professional conservators or restorers, we strongly advise prospective buyers to carry out their own inspection or consult a specialist of their choice for a full assessment of the condition of the lot. Descriptions of items provided in the catalogue or by correspondence are for guidance only and should not be relied upon as a definitive assessment. NOTWITHSTANDING THIS REPORT OR ANY DISCUSSION OF A LOT, ALL LOTS ARE OFFERED AND SOLD 'AS IS' IN ACCORDANCE WITH THE TERMS AND CONDITIONS OF SALE PUBLISHED IN THE CATALOGUE.