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1920s

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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Old European Cut Diamond Ring, capturing the elegance of early 20th-century jewelry.

Irene Byrne & Co

Antique 1920s Old European Cut Diamond Square Cluster Ring

Sold

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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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Antique 1920s diamond daisy cluster ring crafted in 18ct yellow gold, featuring a stunning floral design with multiple sparkling diamonds.

Irene Byrne & Co

Antique 1920s Diamond Daisy Cluster Ring in 18ct Yellow Gold

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Authentic Latvian jewelry piece: a 1920s amethyst ring with registration marks.

Irene Byrne & Co

1920s 8.00ct Oval Amethyst Ring in 14ct Rose Gold

$3,100.00

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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 stunning vintage quatrefoil diamond ring displayed in a plush purple velvet box. Perfect for antique jewelry enthusiasts.

Irene Byrne & Co

Antique 1920s Quatrefoil Cluster Ring with Old European Cut Diamonds

$3,800.00

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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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An antique sapphire ring featuring a square blue gemstone surrounded by a halo of sparkling diamonds, displayed in a velvet-lined jewellery box.

Irene Byrne & Co

Antique 1920s Sapphire and Diamond Square Cluster Ring

$5,100.00

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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-Three-Stone-Diamond-Trilogy-Ring_84306d77-1335-4727-a4d0-67261410c326

Irene Byrne & Co

Antique Australian Three Stone Diamond Trilogy Ring

$10,000.00

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Antique Pearl and Diamond Half Hoop Ring by Payton, Pepper & Sons Ltd

Irene Byrne & Co

1920s Cushion Cut Imperial Topaz Ring

$9,000.00

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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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1920s_Old_European_Cut_Diamond_Daisy_Cluster_Ring

Irene Byrne & Co

1920s Old European Cut Diamond Daisy Cluster Ring

$4,200.00

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Antique diamond ring circa 1925 with 1.80ct Old European cut centre, 14 single cuts, 18ct white gold — classic antique engagement ring

Irene Byrne & Co

Antique 1920s Old European Cut Diamond Crossover Ring

$31,000.00

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C.D._Peacock_1920s_1.28ct_Diamond_Ring

Irene Byrne & Co

Antique 1920s 1.28ct Diamond Engagement Ring by C.D. Peacock

$19,000.00

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