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20th Century Diamond Jewellery For Sale

British 20th Century Diamond Jewellery

262

English 20th Century Diamond Jewellery

241

European 20th Century Diamond Jewellery

104

French 20th Century Diamond Jewellery

72

Birmingham Assay Office 20th Century Diamond Jewellery

58

London Assay Office 20th Century Diamond Jewellery

32

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

23

Continental 20th Century Diamond Jewellery

17

Antique Jewellery For Sale

Bracelets & Bangles
238
Brooches
674
Cufflinks
100
Diamond Rings
597
Earrings
202
Engagement & Wedding Rings
575
Lockets
55
Necklaces
367
Pendants
456
Rings
1051
Sets - Demi Parure
15
Solitaire Rings
100
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20th Century Diamond Jewellery

(944 items)
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40
Antique Diamond Solitaire 18ct Gold & Platinum 1920s Vintage Engagement Ring

£ 450

€526
$566
Antique Diamond Solitaire 18ct Gold & Platinum 1920s Vintage Engagement Ring

Antique Diamond Solitaire 18ct Gold & Platinum 1920s Vintage Engagement Ring

£ 450

€526
$566

The Chelsea Bijouterie

Half Hoop Eternity Ring

Chamade Antiques

Half Hoop Eternity Ring

£ 2,500

€2,920
$3,145
Half Hoop Eternity Ring

Half Hoop Eternity Ring

£ 2,500

€2920
$3145

Chamade Antiques

Edwardian 18ct Gold Sapphire Diamond Marquise Ring

£ 1,400

€1,635
$1,761
Edwardian 18ct Gold Sapphire Diamond Marquise Ring

Edwardian 18ct Gold Sapphire Diamond Marquise Ring

£ 1,400

€1635
$1761

Walton House Antiques Ltd

Vintage 5.15ct White Opal & 0.48ct Diamond 14ct White Gold Dress Ring c.1960

£ 1,865

€2,179
$2,346
Vintage 5.15ct White Opal & 0.48ct Diamond 14ct White Gold Dress Ring c.1960

Vintage 5.15ct White Opal & 0.48ct Diamond 14ct White Gold Dress Ring c.1960

£ 1,865

€2179
$2346

AC Silver

Vintage French 1.85ct Diamond & Platinum Full Eternity Ring c.1950

£ 4,750

€5,549
$5,975
Vintage French 1.85ct Diamond & Platinum Full Eternity Ring c.1950

Vintage French 1.85ct Diamond & Platinum Full Eternity Ring c.1950

£ 4,750

€5549
$5975

AC Silver

Vintage 1.50ct Aquamarine & 0.88ct Diamond 18ct Yellow Gold Dress Ring c.1980

£ 2,750

€3,212
$3,459
Vintage 1.50ct Aquamarine & 0.88ct Diamond 18ct Yellow Gold Dress Ring c.1980

Vintage 1.50ct Aquamarine & 0.88ct Diamond 18ct Yellow Gold Dress Ring c.1980

£ 2,750

€3212
$3459

AC Silver

Edwardian 18ct & Platinum Diamond Ring

£ 345

€403
$434
Edwardian 18ct & Platinum Diamond Ring

Edwardian 18ct & Platinum Diamond Ring

£ 345

€403
$434

Doubloon

Edwardian Gold & Diamond Daisy Ring

£ 165

€193
$208
Edwardian Gold & Diamond Daisy Ring

Edwardian Gold & Diamond Daisy Ring

£ 165

€193
$208

Doubloon

Vintage 0.63ct Aquamarine & 2.39ct Diamond, 18ct White Gold Dress Ring c.1960

£ 2,950

€3,446
$3,711
Vintage 0.63ct Aquamarine & 2.39ct Diamond, 18ct White Gold Dress Ring c.1960

Vintage 0.63ct Aquamarine & 2.39ct Diamond, 18ct White Gold Dress Ring c.1960

£ 2,950

€3446
$3711

AC Silver

Vintage French 5.35ct Zircon & 0.25ct Diamond, 0.24ct Emerald & 18ct White Gold Dress Ring c.1940

£ 1,865

€2,179
$2,346
Vintage French 5.35ct Zircon & 0.25ct Diamond, 0.24ct Emerald & 18ct White Gold Dress Ring c.1940

Vintage French 5.35ct Zircon & 0.25ct Diamond, 0.24ct Emerald & 18ct White Gold Dress Ring c.1940

£ 1,865

€2179
$2346

AC Silver

21.43ct Amethyst & 1.07ct Diamond 14ct Yellow Gold Dress Ring - Viintage c.1960

£ 2,450

€2,862
$3,082
21.43ct Amethyst & 1.07ct Diamond 14ct Yellow Gold Dress Ring - Viintage c.1960

21.43ct Amethyst & 1.07ct Diamond 14ct Yellow Gold Dress Ring - Viintage c.1960

£ 2,450

€2862
$3082

AC Silver

1950s 7.27ct Coral & Diamond, 18ct Yellow Gold Pendant

£ 1,645

€1,922
$2,069
1950s 7.27ct Coral & Diamond, 18ct Yellow Gold Pendant

1950s 7.27ct Coral & Diamond, 18ct Yellow Gold Pendant

£ 1,645

€1922
$2069

AC Silver

18ct Gold Ruby & Diamond Earrings
Reserved
18ct Gold Ruby & Diamond Earrings

18ct Gold Ruby & Diamond Earrings

Reserved

Planet Antiques

Vintage 1.92ct Diamond & 15ct White Gold Full Eternity Ring

£ 2,950

€3,446
$3,711
Vintage 1.92ct Diamond & 15ct White Gold Full Eternity Ring

Vintage 1.92ct Diamond & 15ct White Gold Full Eternity Ring

£ 2,950

€3446
$3711

AC Silver

Vintage German Pearl & 0.72ct Diamond, 14ct Yellow Gold Dress Ring c.1950

£ 1,755

€2,050
$2,208
Vintage German Pearl & 0.72ct Diamond, 14ct Yellow Gold Dress Ring c.1950

Vintage German Pearl & 0.72ct Diamond, 14ct Yellow Gold Dress Ring c.1950

£ 1,755

€2050
$2208

AC Silver

Antique Victorian 5.95ct Opal & 0.35ct Diamond Platinum Brooch

£ 4,450

€5,198
$5,598
Antique Victorian 5.95ct Opal & 0.35ct Diamond Platinum Brooch

Antique Victorian 5.95ct Opal & 0.35ct Diamond Platinum Brooch

£ 4,450

€5198
$5598

AC Silver

Vintage 1.54ct Diamond & 18ct White Gold Full Eternity Ring

£ 1,895

€2,214
$2,384
Vintage 1.54ct Diamond & 18ct White Gold Full Eternity Ring

Vintage 1.54ct Diamond & 18ct White Gold Full Eternity Ring

£ 1,895

€2214
$2384

AC Silver

1940s 0.42ct Diamond & 18ct White Gold Dress Ring

£ 1,755

€2,050
$2,208
1940s 0.42ct Diamond & 18ct White Gold Dress Ring

1940s 0.42ct Diamond & 18ct White Gold Dress Ring

£ 1,755

€2050
$2208

AC Silver

0.60ct Ruby & 0.59ct Diamond 14ct Yellow Gold Dress Ring

£ 1,755

€2,050
$2,208
0.60ct Ruby & 0.59ct Diamond 14ct Yellow Gold Dress Ring

0.60ct Ruby & 0.59ct Diamond 14ct Yellow Gold Dress Ring

£ 1,755

€2050
$2208

AC Silver

Vintage Pearl Necklace Diamond Clasp 1960s Unoaerre Italian Single Strand Pearls

£ 1,230

€1,437
$1,547
Vintage Pearl Necklace Diamond Clasp 1960s Unoaerre Italian Single Strand Pearls

Vintage Pearl Necklace Diamond Clasp 1960s Unoaerre Italian Single Strand Pearls

£ 1,230

€1437
$1547

The Chelsea Bijouterie

Vintage 0.73ct Emerald & 0.70ct Diamond 10ct White Gold Dress Ring c.1970

£ 1,755

€2,050
$2,208
Vintage 0.73ct Emerald & 0.70ct Diamond 10ct White Gold Dress Ring c.1970

Vintage 0.73ct Emerald & 0.70ct Diamond 10ct White Gold Dress Ring c.1970

£ 1,755

€2050
$2208

AC Silver

French 0.62ct Diamond & Platinum Solitaire Ring c.1930

£ 1,865

€2,179
$2,346
French 0.62ct Diamond & Platinum Solitaire Ring c.1930

French 0.62ct Diamond & Platinum Solitaire Ring c.1930

£ 1,865

€2179
$2346

AC Silver

Pair of Art Deco White Gold, Sapphire & Diamond Cufflinks

£ 265

€310
$333
Pair of Art Deco White Gold, Sapphire & Diamond Cufflinks

Pair of Art Deco White Gold, Sapphire & Diamond Cufflinks

£ 265

€310
$333

Doubloon

1900s 3.55ct Aquamarine & 0.59ct Diamond 15ct Yellow Gold Brooch

£ 2,650

€3,096
$3,333
1900s 3.55ct Aquamarine & 0.59ct Diamond 15ct Yellow Gold Brooch

1900s 3.55ct Aquamarine & 0.59ct Diamond 15ct Yellow Gold Brooch

£ 2,650

€3096
$3333

AC Silver

Vintage French 6.68ct Diamond & 18ct White Gold Necklace / Bracelet - Art Deco c.1940

£ 11,950

€13,959
$15,032
Vintage French 6.68ct Diamond & 18ct White Gold Necklace / Bracelet - Art Deco c.1940

Vintage French 6.68ct Diamond & 18ct White Gold Necklace / Bracelet - Art Deco c.1940

£ 11,950

€13959
$15032

AC Silver

Antique Victorian 0.21ct Diamond, Natural Pearl & Enamel, 18ct Yellow Gold Brooch c.1900

£ 1,995

€2,330
$2,509
Antique Victorian 0.21ct Diamond, Natural Pearl & Enamel, 18ct Yellow Gold Brooch c.1900

Antique Victorian 0.21ct Diamond, Natural Pearl & Enamel, 18ct Yellow Gold Brooch c.1900

£ 1,995

€2330
$2509

AC Silver

Antique 1.07ct Sapphire & 1.54ct Diamond, Platinum Cluster Ring c.1920

£ 3,650

€4,264
$4,591
Antique 1.07ct Sapphire & 1.54ct Diamond, Platinum Cluster Ring c.1920

Antique 1.07ct Sapphire & 1.54ct Diamond, Platinum Cluster Ring c.1920

£ 3,650

€4264
$4591

AC Silver

3.26ct Diamond & Platinum Cocktail Ring - Art Deco c.1935

£ 24,500

€28,620
$30,818
3.26ct Diamond & Platinum Cocktail Ring - Art Deco c.1935

3.26ct Diamond & Platinum Cocktail Ring - Art Deco c.1935

£ 24,500

€28620
$30818

AC Silver

Vintage French 0.90ct Ruby, 0.90ct Sapphire & 0.80ct Diamond, Platinum Bilateral Ring c.1940

£ 2,950

€3,446
$3,711
Vintage French 0.90ct Ruby, 0.90ct Sapphire & 0.80ct Diamond, Platinum Bilateral Ring c.1940

Vintage French 0.90ct Ruby, 0.90ct Sapphire & 0.80ct Diamond, Platinum Bilateral Ring c.1940

£ 2,950

€3446
$3711

AC Silver

Diamond & 14ct Yellow Gold Dress Ring c.1930

£ 1,425

€1,665
$1,792
Diamond & 14ct Yellow Gold Dress Ring c.1930

Diamond & 14ct Yellow Gold Dress Ring c.1930

£ 1,425

€1665
$1792

AC Silver

Antique 3.37ct Diamond & 12ct Yellow Gold Cluster Earrings c.1910

£ 9,950

€11,623
$12,516
Antique 3.37ct Diamond & 12ct Yellow Gold Cluster Earrings c.1910

Antique 3.37ct Diamond & 12ct Yellow Gold Cluster Earrings c.1910

£ 9,950

€11623
$12516

AC Silver

French 0.63ct Diamond & 18ct White Gold Solitaire Ring c.1930

£ 2,550

€2,979
$3,208
French 0.63ct Diamond & 18ct White Gold Solitaire Ring c.1930

French 0.63ct Diamond & 18ct White Gold Solitaire Ring c.1930

£ 2,550

€2979
$3208

AC Silver

Antique 6.69ct Citrine, 0.28ct Diamond & Onyx 14ct Yellow Gold Brooch c.1920

£ 1,995

€2,330
$2,509
Antique 6.69ct Citrine, 0.28ct Diamond & Onyx 14ct Yellow Gold Brooch c.1920

Antique 6.69ct Citrine, 0.28ct Diamond & Onyx 14ct Yellow Gold Brooch c.1920

£ 1,995

€2330
$2509

AC Silver

Vintage 0.45ct Diamond & 18ct Yellow Gold Cluster Ring c 1950

£ 1,295

€1,513
$1,629
Vintage 0.45ct Diamond & 18ct Yellow Gold Cluster Ring c 1950

Vintage 0.45ct Diamond & 18ct Yellow Gold Cluster Ring c 1950

£ 1,295

€1513
$1629

AC Silver

Antique 0.30ct Diamond & 14ct Yellow Gold Five Stone Ring c.1920

£ 1,205

€1,408
$1,516
Antique 0.30ct Diamond & 14ct Yellow Gold Five Stone Ring c.1920

Antique 0.30ct Diamond & 14ct Yellow Gold Five Stone Ring c.1920

£ 1,205

€1408
$1516

AC Silver

Vintage 0.38ct Diamond & 18ct Yellow Gold, Platinum Set Solitaire Ring c.1950

£ 1,195

€1,396
$1,503
Vintage 0.38ct Diamond & 18ct Yellow Gold, Platinum Set Solitaire Ring c.1950

Vintage 0.38ct Diamond & 18ct Yellow Gold, Platinum Set Solitaire Ring c.1950

£ 1,195

€1396
$1503

AC Silver

Vintage 2.65ct Diamond & 18ct Yellow Gold Brooch c.1950

£ 3,950

€4,614
$4,969
Vintage 2.65ct Diamond & 18ct Yellow Gold Brooch c.1950

Vintage 2.65ct Diamond & 18ct Yellow Gold Brooch c.1950

£ 3,950

€4614
$4969

AC Silver

Vintage Italian 8.80ct Diamond & 18ct White Gold Bangle

£ 10,950

€12,791
$13,774
Vintage Italian 8.80ct Diamond & 18ct White Gold Bangle

Vintage Italian 8.80ct Diamond & 18ct White Gold Bangle

£ 10,950

€12791
$13774

AC Silver

Vintage French 0.51ct Diamond & 18ct Yellow Gold Twist Solitaire Ring c.1950

£ 2,250

€2,628
$2,830
Vintage French 0.51ct Diamond & 18ct Yellow Gold Twist Solitaire Ring c.1950

Vintage French 0.51ct Diamond & 18ct Yellow Gold Twist Solitaire Ring c.1950

£ 2,250

€2628
$2830

AC Silver

Antique French 0.59ct Sapphire & 0.65ct Diamond 18ct White Gold Marquise Ring c.1910

£ 5,445

€6,361
$6,849
Antique French 0.59ct Sapphire & 0.65ct Diamond 18ct White Gold Marquise Ring c.1910

Antique French 0.59ct Sapphire & 0.65ct Diamond 18ct White Gold Marquise Ring c.1910

£ 5,445

€6361
$6849

AC Silver

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