A pair of natural ruby earrings worn by Hollywood actor Mila Kunis is among other jewels set to be auctioned by leading auctioneer Saffronart in its upcoming online sale on October 28-29.

The auction features a collection of 84 lots of ornaments set with natural pearls, jewels set with Mozambique and Burmese rubies, emeralds, spinels, tourmaline, and sapphires, auctioneers said.

A Gemfields’ Mozambican natural ruby earrings worn by Kunis at a Burberry event at the Griffith Observatory in Los Angeles earlier this April is up for sale.

The natural, untreated, and ethically mined rubies from Montepuez in Mozambique have been estimated at Rs.15.5 lakhs – Rs.17.50 lakhs ($23,850 – $26,925).

The earrings have been designed as a series of gently graduating cushion-shaped rubies, with a total ruby weight of 21.46 carats approximately. The rubies are flanked by full-cut diamonds on either side, with a total diamond weight of 5.36 carats, mounted in rose gold.

Several pieces with important provenances dating back centuries, embodying crafting and enamelling techniques that have either been lost or are rare to come by figure in the sale.

Leading the sale is diamond necklace estimated at Rs.2.75 crore – 3.5 crore ($423,080 – $538,465) whose design echoes that of the famous festoon necklace worn by Queen Elizabeth II.

The necklace designed as three flexible rows of rose-cut diamonds, joined by two similarly designed links of peacock motifs, set with modified pear-shaped diamonds, with a total diamond weight of 302.64 carats, mounted in white gold.

Minal Vazirani, co-founder, Saffronart said, "This collection offers viewers a window into Indian aesthetic and cultural traditions that were once the hallmark of royal patronage. Several pieces were once in the collections of prominent royal families of India."

Another sale highlight is a five strand natural pearl necklace weighing approximately 551.99 carats, joined by a diamond-set clasp. Made entirely of natural pearls, the necklace is estimated to sell anywhere between Rs.1.90 crore – Rs.2.30 crore ($292,310 – $353,850).

A period polki diamond and ruby enamelled kada features the now diminishing art of Benarasi meenakari. Estimated at Rs.6.5 – Rs.8.50 lakh ($10,000 – $13,080), the kada showcases the famous Benarasi pink enamel, seen in subtle gradations of pink, of which very few known examples now survive.

The auction also features renowned designer Jasmine Alexander’s ‘A Word to the Wise’ – an emerald ring worn by British actor Lauren Maddox, and estimated at Rs.35 lakhs – Rs.44.85 lakhs ($54,000 – $69,000).

The upcoming auction also offers important silver pieces along with jewellery.

A four-piece ‘Swami’ silver tea set estimated at Rs.10 lakh to Rs.15 lakh ($15,385 – $23,080) comprises a tea pot, milk pot, sugar bowl and tray depicting scenes from the Ramayana, and cartouches showing Gods and temple gopurams.

Also featured are four silver pieces by Oomersi Mawji, and a silver tea set by Cartier.

The 24-hour online auction is scheduled to take place on saffronart.com, where the catalogue is currently on view.

Auction lots are also open for public viewings in Mumbai.