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1920s

Antique cushion ruby ring in 18ct white gold and platinum, rich deep red 2.83ct ruby of Thai origin (GSL certified) with decorative gallery and shoulders.

Irene Byrne & Co

1920s Cushion Ruby & Diamond Ring — 2.83ct Untreated

$33,000.00

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Vintage 1920s posy cluster engagement ring side view highlighting contrasting 18ct white top and yellow gold band.

Irene Byrne & Co

Antique 1920s Old European Cut Diamond Posy Cluster Ring

$4,400.00

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Antique 1920s Old European cut diamond ring with two old European cut stones set in platinum and nine single cut diamonds on the band.

Irene Byrne & Co

Antique 1920s Old European Cut Diamond Ring

$8,000.00

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Natural near‑round pearl cluster ring by Hardy Brothers, platinum setting with F‑G VS diamonds, ideal heirloom.

Irene Byrne & Co

Antique 1920s Hardy Brothers Natural Pearl Cluster Ring

$8,750.00

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A antique 1920s 2.45ct old mine cut diamond ring set in 18ct white gold shown on the finger.

Irene Byrne & Co

Antique 1920s Old Mine Cut 2.45ct Diamond Engagement Ring

$31,000.00

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Vintage 1920s Australian Hardy Brothers platinum engagement ring with diamonds.

Irene Byrne & Co

Antique 1920s Australian Hardy Brothers Platinum Diamond Engagement Ring

$5,200.00

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Vintage ring with a central navy blue stone and diamond accents in a decorative box.

Irene Byrne & Co

Antique French 1920s Sapphire and Diamond Platinum Ring

$8,900.00

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Unique handcrafted ruby and diamond cushion cluster ring, circa 1920s, featuring a saw-pierced gallery and elegant design.

Irene Byrne & Co

Antique 1920s Ruby and Diamond Cluster Ring

$6,700.00

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A pair of timeless Vintage 4.20ct Old European Cut Diamond Earrings from the 1920s

Irene Byrne & Co

Antique 4.20ct 1920s Old European Cut Diamond Stud Earrings

$103,000.00

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Front view of a vintage 1920s moonstone and ruby fringe necklace in sterling silver, showcasing Art Deco elegance.

Irene Byrne & Co

1920s Moonstone and Ruby Silver Fringe Necklace

$2,500.00

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Alfred_Saunders_Sydney_Ring_with_Crossover_Diamond_Shoulders

Irene Byrne & Co

Antique Australian 1920s Three Stone Diamond Ring

$8,400.00

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1920s_Cushion_Cut_Sapphire_and_Diamond_Cluster_Ring

Irene Byrne & Co

1920s Cushion Cut Sapphire and Diamond Cluster Ring

$10,500.00

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