Products

Stunning 1920s antique diamond engagement ring with a square-cut diamond and platinum band, reflecting classic Art Deco style.

Irene Byrne & Co

Art Deco 1920s Diamond Engagement Ring

$12,000.00

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Elegant Black Onyx and Diamond Ring from Art Deco Era

Irene Byrne & Co

Art Deco Diamond & Onyx Ring - Rare Mint Condition

$4,000.00

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Antique Lacloche Frères cufflinks and collar pins set with a unique design of alternating jasper and diamond stripes, reflecting 1920s elegance.

Irene Byrne & Co

Art Deco Lacloche Frères Mens Dress Set

$15,500.00

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Irene Byrne & Co

Art Deco Platinum 3.59ct Diamond Cluster Ring

$24,000.00

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Irene Byrne & Co

Art Deco Platinum Old European Cut Diamond Ring

$12,300.00

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Art_Nouveau_c.1900_3.35ct_Diamond_Pendant

Irene Byrne & Co

Art Nouveau 3.35ct Diamond Pendant

$15,000.00

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Irene Byrne & Co

Art Nouveau Green Tourmaline Natural Pearl Pendant

$2,800.00

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Art_Nouveau_Pear_Shape_9.50ct_Aquamarine_Diamond_Pearl_Pendant

Irene Byrne & Co

Art Nouveau Pear Shape 9.50ct Aquamarine Diamond Pendant

$16,000.00

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Antique_2.62ct_Cushion_Old_Cut_Diamond_Ring

Irene Byrne & Co

Australian 2.62ct Cushion Old Cut Diamond Ring

$30,000.00

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Australian_Antique_Pearl_and_Green_Tourmaline_Pendant

Irene Byrne & Co

Australian Antique Pearl and Green Tourmaline Heart Pendant

$2,200.00

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Irene Byrne & Co

Australian Colonial Lamborn and Wagner Revolving Locket

$5,950.00

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An Australian 15ct yellow gold revolving photo locket by Colonial jewellers Lamborn and Wagner with emu, kangaroo and dove

Irene Byrne & Co

Australian Colonial Revolving Photo Locket by Lamborn and Wagner

$8,500.00

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A Late Victorian antique 15ct yellow gold Albert chain featuring a T-Bar and fancy link star set design.

Irene Byrne & Co

Australian Rosenthal, Aronson & Co. Late Victorian 15ct Albert Chain and T-Bar

$18,750.00

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Irene Byrne & Co

Australian Willis & Co Turquoise and Pearl Brooch

$1,475.00

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Irene Byrne & Co

Black Onyx and Enamel 18ct Yellow Gold Ring

$2,800.00 $5,600.00

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Irene Byrne & Co

Brilliant Cut 1.30ct Diamond and Sapphire Engagement Ring

$15,000.00 $25,000.00

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18ct white gold ring featuring a beautiful Ceylon sapphire and diamond accents, ideal for special occasions.

Irene Byrne & Co

Ceylon Sapphire and Diamond Engagement Ring

$24,750.00

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Irene Byrne & Co

Ceylon Sapphire and Diamond Oval Cluster Ring

$53,000.00

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Elegant_18ct_White_Gold_Ring_with_Oval_Sapphires_and_Diamonds

Irene Byrne & Co

Ceylon Sapphire and Diamond Ring

Sold out

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Irene Byrne & Co

Contemporary White Gold Royal Blue Sapphire Ring

$9,000.00 $18,000.00

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Elegant aquamarine ring set in 9ct white gold with diamond shoulders.

Irene Byrne & Co

Cushion Cut Aquamarine and Diamond Ring

$7,000.00

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Antique gold ring with ruby and pearls set in the shape of a flower cluster from the 1840s.

Irene Byrne & Co

Early Victorian Ruby and Pearl Posy Cluster Secret Locket Ring

$5,200.00

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Elegant 18-carat yellow gold Edwardian Albert chain with a seamless link design.

Irene Byrne & Co

Edwardian 18ct Yellow Gold Albert Chain with T-Bar & Swivel Clasps

$30,000.00

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Elegant Edwardian Art Nouveau pendant featuring aquamarine stones and a central pearl on a delicate gold chain showcasing intricate design.

Irene Byrne & Co

Edwardian Art Nouveau Aquamarine and Pearl Necklace

$3,000.00

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Irene Byrne & Co

Edwardian Diamond, Ruby and Emerald Dragonfly Brooch

$9,500.00

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Elegant-Old-Cut-Diamond-Round-Cluster-Ring-in-Platinum

Irene Byrne & Co

Edwardian Old Cut Diamond Flower Cluster Ring

$8,500.00

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Irene Byrne & Co

Edwardian Operculum Bracelet in Sterling Silver

$995.00

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Irene Byrne & Co

Edwardian Rose Gold Kookaburra Brooch

Sold out

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Elegant vintage ring with square-cut sapphire and old-cut diamond.

Irene Byrne & Co

Edwardian Square Cut Sapphire and Old Cut Diamond Ring

$5,500.00

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Stylish earrings with emerald and diamond accents.

Irene Byrne & Co

Elegant Emerald and Diamond Yellow Gold Earrings

$2,600.00

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Irene Byrne & Co

Etruscan Revival Carnelian Ring in 21ct Gold

$4,900.00

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Irene Byrne & Co

French 18ct Yellow Gold Flat Curb Link Bracelet

$24,400.00

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French_La_Belle_Epoque_Diamond_Bow_Brooch

Irene Byrne & Co

French La Belle Époque Diamond Bow Brooch

Sold out

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Irene Byrne & Co

Georgian Cannetille Porcelain Portrait Ring

$4,500.00

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A elegant 19th century Georgian ring of a painted portrait of a young upper class lady behind rock crystal and a marcasite surround in an antique ring box

Irene Byrne & Co

GEORGIAN in Rose Gold Rock Crystal Portrait Ring

$1,795.00

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Irene Byrne & Co

Georgian Rock Crystal & Pearl Locket

$4,100.00

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