Antique 20th Century Diamond Jewellery for sale

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Doubloon

18ct White Gold & Diamond Ring

£ 695

€812

$874

18ct White Gold & Diamond Ring

£ 695

€812

$874

Doubloon

AC Silver

1.32ct Diamond & Pearl, 14ct Yellow Gold Necklace - Antique c.1910

£ 2,915

€3,405

$3,667

1.32ct Diamond & Pearl, 14ct Yellow Gold Necklace - Antique c.1910

£ 2,915

€3405

$3667

AC Silver

Antique 0.56ct Diamond & 15ct Yellow Gold, Platinum Necklace c.1910

£ 2,695

€3,148

$3,390

Antique 0.56ct Diamond & 15ct Yellow Gold, Platinum Necklace c.1910

£ 2,695

€3148

$3390

AC Silver

The Chelsea Bijouterie

Kutchinsky Diamond & Ruby Bombé Ring 18ct Gold Vintage Cocktail Ring London

£ 6,690

€7,815

$8,415

Kutchinsky Diamond & Ruby Bombé Ring 18ct Gold Vintage Cocktail Ring London

£ 6,690

€7815

$8415

The Chelsea Bijouterie

AC Silver

2.37ct Diamond & Platinum Cluster Ring c.1930

£ 8,950

€10,455

$11,258

2.37ct Diamond & Platinum Cluster Ring c.1930

£ 8,950

€10455

$11258

AC Silver

Doubloon

Gold & Diamond Cross

£ 165

€193

$208

Gold & Diamond Cross

£ 165

€193

$208

Doubloon

Bijou and box’s

Stunning Vintage 18ct Diamond & Pearl Ring

£ 895

€1,045

$1,126

Stunning Vintage 18ct Diamond & Pearl Ring

£ 895

€1045

$1126

Bijou and box’s

AC Silver

Pearl & 0.24ct Diamond, 14ct Yellow Gold & Platinum Necklace - Antique Art Nouveau French c.1910

£ 3,025

€3,534

$3,805

Pearl & 0.24ct Diamond, 14ct Yellow Gold & Platinum Necklace - Antique Art Nouveau French c.1910

£ 3,025

€3534

$3805

AC Silver

2.86ct Diamond & Platinum Necklace - Art Deco c.1930

£ 8,525

€9,959

$10,723

2.86ct Diamond & Platinum Necklace - Art Deco c.1930

£ 8,525

€9959

$10723

AC Silver

15.66ct Peridot & 1.65ct Diamond, 14ct Yellow Gold Pendant - Antique c.1910

£ 7,645

€8,931

$9,616

15.66ct Peridot & 1.65ct Diamond, 14ct Yellow Gold Pendant - Antique c.1910

£ 7,645

€8931

$9616

AC Silver

3ct Diamond & 18ct White Gold Full Eternity Ring - French c.1950

£ 4,950

€5,782

$6,226

3ct Diamond & 18ct White Gold Full Eternity Ring - French c.1950

£ 4,950

€5782

$6226

AC Silver

1.32ct Diamond & Palladium Trilogy Ring c.1950

£ 6,950

€8,119

$8,742

1.32ct Diamond & Palladium Trilogy Ring c.1950

£ 6,950

€8119

$8742

AC Silver

The Chelsea Bijouterie

Antique Diamond Five Stone Ring Henry Wilkinson 18ct Gold Ring Birmingham 1923

£ 450

€526

$566

Antique Diamond Five Stone Ring Henry Wilkinson 18ct Gold Ring Birmingham 1923

£ 450

€526

$566

The Chelsea Bijouterie

AC Silver

3.40ct Emerald & 2.72ct Diamond, Platinum Cocktail Ring c.1935

£ 14,245

€16,640

$17,918

3.40ct Emerald & 2.72ct Diamond, Platinum Cocktail Ring c.1935

£ 14,245

€16640

$17918

AC Silver

6.06ct Coral & 2.86ct Diamond, 18ct Rose Gold Dress Ring c.1930

£ 6,950

€8,119

$8,742

6.06ct Coral & 2.86ct Diamond, 18ct Rose Gold Dress Ring c.1930

£ 6,950

€8119

$8742

AC Silver

0.33ct Emerald & 1.30 ct Diamond, 9ct Yellow Gold Pendant

£ 1,995

€2,330

$2,509

0.33ct Emerald & 1.30 ct Diamond, 9ct Yellow Gold Pendant

£ 1,995

€2330

$2509

AC Silver

0.87ct Diamond & Platinum Pendant c.1930

£ 4,125

€4,819

$5,189

0.87ct Diamond & Platinum Pendant c.1930

£ 4,125

€4819

$5189

AC Silver

The Chelsea Bijouterie

Art Deco Old Cut Diamond 18ct Gold & Platinum 1920's Large Cluster Bombé Ring

£ 1,390

€1,624

$1,748

Art Deco Old Cut Diamond 18ct Gold & Platinum 1920's Large Cluster Bombé Ring

£ 1,390

€1624

$1748

The Chelsea Bijouterie

Antique Diamond Buckle Ring 18ct Gold Hallmarked Chester 1903 Edwardian Ring

£ 1,490

€1,741

$1,874

Antique Diamond Buckle Ring 18ct Gold Hallmarked Chester 1903 Edwardian Ring

£ 1,490

€1741

$1874

The Chelsea Bijouterie

AC Silver

3.03ct Aquamarine & 1.42ct Diamond, 18ct White Gold Marquise Ring - Vintage French c.1950

£ 4,125

€4,819

$5,189

3.03ct Aquamarine & 1.42ct Diamond, 18ct White Gold Marquise Ring - Vintage French c.1950

£ 4,125

€4819

$5189

AC Silver

9.07ct Jadeite & 2.84ct Diamond, Platinum Dress Ring c.1925

£ 9,950

€11,623

$12,516

9.07ct Jadeite & 2.84ct Diamond, Platinum Dress Ring c.1925

£ 9,950

€11623

$12516

AC Silver

1.03ct Diamond & 18ct White Gold Trilogy Ring

£ 2,950

€3,446

$3,711

1.03ct Diamond & 18ct White Gold Trilogy Ring

£ 2,950

€3446

$3711

AC Silver

3.05ct Sapphire & 1.23ct Diamond, 9ct White Gold Brooch c.1935

£ 3,950

€4,614

$4,969

3.05ct Sapphire & 1.23ct Diamond, 9ct White Gold Brooch c.1935

£ 3,950

€4614

$4969

AC Silver

1.89ct Diamond & Platinum Bow Brooch

£ 3,950

€4,614

$4,969

1.89ct Diamond & Platinum Bow Brooch

£ 3,950

€4614

$4969

AC Silver

The Chelsea Bijouterie

Victorian Trilogy Ring Old Cut Diamond 18ct Gold Antique Engagement Ring 1.40ct

£ 3,590

€4,194

$4,516

Victorian Trilogy Ring Old Cut Diamond 18ct Gold Antique Engagement Ring 1.40ct

£ 3,590

€4194

$4516

The Chelsea Bijouterie

Doubloon

Art Deco Stick Pin

£ 220

€257

$277

Art Deco Stick Pin

£ 220

€257

$277

Doubloon

AC Silver

0.47ct Sapphire & 0.50ct Emerald, 0.77ct Diamond & Platinum Twist Ring c.1950

£ 4,125

€4,819

$5,189

0.47ct Sapphire & 0.50ct Emerald, 0.77ct Diamond & Platinum Twist Ring c.1950

£ 4,125

€4819

$5189

AC Silver

1.73ct Diamond & Platinum Cocktail Ring - Art Deco c.1925

£ 5,950

€6,951

$7,484

1.73ct Diamond & Platinum Cocktail Ring - Art Deco c.1925

£ 5,950

€6951

$7484

AC Silver

0.20ct Sapphire & 0.87ct Diamond, 18ct White Gold Cluster Ring - Antique c.1920

£ 2,250

€2,628

$2,830

0.20ct Sapphire & 0.87ct Diamond, 18ct White Gold Cluster Ring - Antique c.1920

£ 2,250

€2628

$2830

AC Silver

Chamade Antiques

Platinum Diamond Solitaire Ring

£ 850

€993

$1,069

Platinum Diamond Solitaire Ring

£ 850

€993

$1069

Chamade Antiques

Diamond Three Stone Solitaire Ring

£ 1,175

€1,373

$1,478

Diamond Three Stone Solitaire Ring

£ 1,175

€1373

$1478

Chamade Antiques

Diamond Solitaire 1ct. Total

£ 1,250

€1,460

$1,572

Diamond Solitaire 1ct. Total

£ 1,250

€1460

$1572

Chamade Antiques

AC Silver

15.32ct Diamond & Platinum Floral Brooch c.1935

£ 17,950

€20,968

$22,579

15.32ct Diamond & Platinum Floral Brooch c.1935

£ 17,950

€20968

$22579

AC Silver

2.25ct Diamond & 14ct Yellow Gold Bangle - Russian c.1935

£ 4,345

€5,076

$5,465

2.25ct Diamond & 14ct Yellow Gold Bangle - Russian c.1935

£ 4,345

€5076

$5465

AC Silver

Pearl and 1.14ct Diamond, 18ct Yellow Gold & Platinum Set Dress Ring - Art Nouveau Antique French c.1910

£ 4,345

€5,076

$5,465

Pearl and 1.14ct Diamond, 18ct Yellow Gold & Platinum Set Dress Ring - Art Nouveau Antique French c.1910

£ 4,345

€5076

$5465

AC Silver

0.25ct Emerald & 0.30ct Diamond, 18ct Yellow Gold Necklace - Art Deco Antique c.1920

£ 4,345

€5,076

$5,465

0.25ct Emerald & 0.30ct Diamond, 18ct Yellow Gold Necklace - Art Deco Antique c.1920

£ 4,345

€5076

$5465

AC Silver

1.57ct Diamond & 14ct Yellow Gold Marquise Ring - Antique c.1900

£ 4,125

€4,819

$5,189

1.57ct Diamond & 14ct Yellow Gold Marquise Ring - Antique c.1900

£ 4,125

€4819

$5189

AC Silver

1.20ct Diamond 18ct White Gold Bracelet - Art Deco c.1940

£ 4,345

€5,076

$5,465

1.20ct Diamond 18ct White Gold Bracelet - Art Deco c.1940

£ 4,345

€5076

$5465

AC Silver

Doubloon

Amethyst & Diamond Ring

£ 350

€409

$440

Amethyst & Diamond Ring

£ 350

€409

$440

Doubloon

The Chelsea Bijouterie

Vintage Pink Sapphire Pearl & Diamond Pendant Edwardian Style 1980's 9ct Gold Brooch London 1988

£ 490

€572

$616

Vintage Pink Sapphire Pearl & Diamond Pendant Edwardian Style 1980's 9ct Gold Brooch London 1988

£ 490

€572

$616

The Chelsea Bijouterie

20th Century Diamond Jewellery For Sale

British 20th Century Diamond Jewellery

English 20th Century Diamond Jewellery

European 20th Century Diamond Jewellery

French 20th Century Diamond Jewellery

Birmingham Assay Office 20th Century Diamond Jewellery

London Assay Office 20th Century Diamond Jewellery

Chester Assay Office (closed 1962) 20th Century Diamond Jewellery

Continental 20th Century Diamond Jewellery

Antique Jewellery For Sale

20th Century Diamond Jewellery