Rosenthal, Aronson & Co. was a prominent jewellery manufacturer based in Melbourne, Australia, that operated during the late 19th and early 20th centuries. The company was founded in the 1880s by Max Rosenthal and Isaac Aronson, who were both skilled jewellers with a passion for creating high-quality, unique pieces.

The company quickly gained a reputation for its innovative designs and exquisite craftsmanship, and it became one of the most successful jewellery manufacturers in Melbourne. Rosenthal, Aronson & Co. specialized in creating bespoke pieces for their clients, including engagement rings, brooches, bracelets, and necklaces.

In addition to their work as jewellers, Rosenthal and Aronson were also passionate about promoting the arts in Melbourne. They were involved in the founding of the National Gallery of Victoria, and were instrumental in establishing the city's reputation as a cultural hub.

Throughout the early 20th century, Rosenthal, Aronson & Co. continued to thrive, more...

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Aronson & Co. Of Melbourne (attributed), beautiful double sided…

Double-Sided Circular Locket with Seed Pearls and Red Stones

Aronson & Co. Of Melbourne (attributed), beautiful double sided circular photo locket, 9ct yellow gold set with seed pearls and red stones, late 19th century, 5 cm high overall

Aronson & Co. Of Melbourne, 9ct yellow gold shield shaped…

Aronson & Co. 9ct Gold Shield Locket with Red Stone

Aronson & Co. Of Melbourne, 9ct yellow gold shield shaped locket with red stone, stamped '9' flanked by pictorial marks, 2.5 cm high, 4.6 grams total

9ct gold double bar brooch set with an oval aquamarine by…

Double Bar Aquamarine Brooch in 9ct Gold

9ct gold double bar brooch set with an oval aquamarine by Aronson

Antique Australian 15ct rose gold brooch, set with seed pearls…

Aronson Melbourne 15ct Rose Gold Brooch with Rubies and Pearls

Antique Australian 15ct rose gold brooch, set with seed pearls and rubies by Aronson Melbourne. Approx weight 3.67 grams, 4@ rubies total weight 0.36ct modernly bright mid pinkish red with inclusions, 4 x 1.5 mm medium lustre creamy pearls.

Opal and seed pearl brooch by Aronson & Co late 1890s,…

Aronson & Co Opal Seed Pearl Brooch

Opal and seed pearl brooch by Aronson & Co late 1890s, hallmarked with flag, 15ct, Fleece Weight 4.0 grams.

An early Australian 9ct yellow gold amethyst & seed pearl…

1890 Aronson & Co. Amethyst Brooch with Seed Pearls

An early Australian 9ct yellow gold amethyst & seed pearl brooch, Aronson & Co, circa 1890, Wt 2.9 grams

Aronson & Co. antique 15ct gold star pendant/brooch set with…

Antique 15ct Gold Star Pendant/Brooch with Seed Pearls

Aronson & Co. antique 15ct gold star pendant/brooch set with seed pearls, 19th/20th century, pictorial marker's marks to back, 4 cm wide, 6.1 grams

Aronson & Co. Of Melbourne, pair of 9ct gold mounded pendants…

Aronson 9ct Gold Banded Agate Pendants on Lithograph Card

Aronson & Co. Of Melbourne, pair of 9ct gold mounded pendants set with banded agate, 19th/20th century, mounted on original Aronson lithograph card. 5.5 cm high

9ct yellow and rose gold jewellery group for parts includes…

Mixed Gold Jewelry Lot: Australian & English Marked Pieces

9ct yellow and rose gold jewellery group for parts includes marked Australian and English pieces. Dress studs, marked Aronson bangle and wallet corner, locket frame, cartouche. Approx weight 18 grams

Antique Australian opal and 9ct yellow gold cufflinks, marked 9…

Aronson & Co Opal Cufflinks from Logan Estate

Antique Australian opal and 9ct yellow gold cufflinks, marked 9 Aronson & Co Melbourne. Total weight 5 grams, 2@ oval cabochon size 9 x 4 mm. Provenance: The Logan estate.

An Australian gold double bar lyre brooch set with seed pearls…

Australian Gold Lyre Brooch with Seed Pearls and Blue Doublets

An Australian gold double bar lyre brooch set with seed pearls and blue doublets by Aronson & Co, Melbourne, circa 1900, 5.9 grams, 9 carat yellow gold

An antique 9ct rose gold Australian locket; shield shape…

Australian Rose Gold Locket with Pastes and Surmount

An antique 9ct rose gold Australian locket; shield shape diagonally set with 3 pastes to a barbell surmount, size 33 X 22.5 mm, marks for Aronson & Co, wt. 6.76g.

An antique Australian 15ct gold gemset bangle, by Aronson & Co,…

Antique Australian Gemset Gold Bangle by Aronson & Co

An antique Australian 15ct gold gemset bangle, by Aronson & Co, hinged bangle with applied wirework and plaque set with rose cut diamonds and green pastes, with safety chain, internal dimen. 54 x 51 mm, wt. 11.4g.

Horseshoe hinged bangle 15ct yellow gold set with diamonds and…

Antique Diamond & Sapphire Horseshoe Bangle

Horseshoe hinged bangle 15ct yellow gold set with diamonds and sapphires. Circa 1878 to1915 by Aronson & Co hallmarked (Fflag, 15 and Fleece) total weight: 12.1 grams.

An Australian 9ct gold antique bracelet; curb bracelet to…

Antique Australian Gold Bracelet with Amethyst and Pearls

An Australian 9ct gold antique bracelet; curb bracelet to centrepiece set with an amethyst and seed pearls. Signed Aronson & Co. Length 170 mm. Weight 9.6g

An antique Australian seed pearl bangle, the hinged bangle with…

Antique Seed Pearl Bangle with Pierced Scrolls and Crescent

An antique Australian seed pearl bangle, the hinged bangle with pierced scrolls and central crescent, set with seed pearls, in 15ct gold, hallmarks for Aronson &, Co.

An Edwardian aquamarine and pearl set necklet by Aronson, 15ct…

Aronson Aquamarine & Pearl Necklet

An Edwardian aquamarine and pearl set necklet by Aronson, 15ct yellow gold, circa 1905, marked Aronson & condition report, Available, designed as a delicate scrolled drop shape pendant featuring two, main round aquamarines of fine light blue colour, bezel…

An Australian antique 15ct gold diamond bangle by Aronson & Co,…

Antique 15ct Gold Diamond Bangle with Red Paste Detail

An Australian antique 15ct gold diamond bangle by Aronson & Co, hinged bangle with applied decoration to top set with 2 old round cut diamonds and a red paste to rope twist and bead detail, safety chain attached, width 6.6 mm, internal diam. 57 x 50 mm,…

An antique Australian gold necklace, the curb link guard chain…

Aronson 15ct Gold Guard Chain Necklace - Antique Australian

An antique Australian gold necklace, the curb link guard chain in 15ct gold, signed Aronson, total length 1380 mm.

An Australian antique 9ct gold peridot and pearl bracelet,…

Antique 9ct Gold Peridot and Pearl Bracelet by Aronson & Co

An Australian antique 9ct gold peridot and pearl bracelet, hollow oval links set alternately with a seed pearl and a collet set round cut peridot to integrated box clasp with safety chain, hallmarks for Aronson & Co. Width 10.4 mm, 1 link dented, length…

Australian 9ct gold Aronson & Co. Melbourne, seed pearl and…

Antique 9ct Gold Star Pendant with Seed Pearls & Turquoise

Australian 9ct gold Aronson & Co. Melbourne, seed pearl and turquoise star pendant and 9ct barrel clasp chain, c.1900 - diameter 3 cm pendant total weight 8.4gr

An antique Australian 9ct gold Albertina chain, 5.7 mm wide…

Antique Australian 9ct Gold Albertina Chain, 23cm, 20.12g

An antique Australian 9ct gold Albertina chain, 5.7 mm wide curb links all stamped with 2 swivel clasps, applied Australian hallmark rubbed probably Aronson & Co, length 23 cm, wt. 20.12g.

An antique 9ct rose gold Albert chain bracelet with fob, curb…

Rose Gold Albert Chain Bracelet with Australia Map Fob

An antique 9ct rose gold Albert chain bracelet with fob, curb link chain converted to double row bracelet with swivel clasp, length 20 cm, attached with a 22 mm round fob featuring the map of Australia with hallmarks for Aronson & Co, total wt. 23.67g.

Antique Australian 9ct rose gold night & day bracelet. Marked…

Antique 9ct Rose Gold Night & Day Bracelet

Antique Australian 9ct rose gold night & day bracelet. Marked to the padlock 9ct Aronson and touch marks 9C. chain width 9 mm, length 20 cm, weight 14.8 grams. With original retailers box Hollingdale & Kessell Sydney

Antique Australian 15ct yellow gold locket marked Aronson 15ct…

Antique 15ct Gold Locket with Diamonds and Ruby

Antique Australian 15ct yellow gold locket marked Aronson 15ct (Melbourne), size 33 x 21 mm, weight 12.7 grams. Set with 2x Old mine cut diamonds & a Ruby (not tested for Verneuil or natural), minor bruise to the reverse

An antique sapphire and diamond brooch by Aronson, the scrolled…

Aronson Sapphire and Diamond Brooch in 15ct Gold

An antique sapphire and diamond brooch by Aronson, the scrolled bar set with old European cut diamonds with sapphire set terminals, hallmarked, in 15ct gold.

A Victorian sapphire and diamond brooch. Designed as a crescent…

Victorian Sapphire and Diamond Crescent Brooch

A Victorian sapphire and diamond brooch. Designed as a crescent of alternating sapphires and diamonds with further sapphire and diamond floral and foliate detail, in 15ct gold, signed Aronson & Co.