Diamond Rings

Distinguished buyers from around the world trust Harrington & Co as a purveyor of beloved estate jewellery. Extravagant vintage upmarket diamond rings will capture your heart. Review our selection of platinum and diamond settings, single solitaire, cluster, vintage Tiffany designs and our array of classic diamond cuts from Australia and Europe.

Our diamonds are accompanied by a valuation certificate by a member of the National Council of Jewellery Valuers.

Our portfolio of rare diamond rings are constantly changing. View our online diamond classics here.

0.70cttw Diamond Grain Set 18k White Gold Band / Ring Size J1/2 Val $4910

0.70cttw Diamond Grain Set 18k White Gold Band / Ring Size J1/2 Val $4910

$1,699

0.70cttw Diamond Grain Set 18k White Gold Band / Ring Size J1/2 Val $4910 A well designed 18ct white gold dress ring containing 70 grain set diamonds with millgrain edging, mounted onto a 2.00 wide half round band. Finger size J1/2, Total weight 2.62g...

Antique Australian 18K Gold Gypsy Garnet & Old Cut Diamond Ring Sz R1/2 V. $5625

Antique Australian 18K Gold Gypsy Garnet & Old Cut Diamond Ring Sz R1/2 V. $5625

$2,825

Antique Australian 18K Gold Gypsy Garnet & Old Cut Diamond Ring Sz R1/2 V. $5625 Antique handmade 18ct yellow gold gypsy ring, containing 1 x central grain set old cut diamond and 2 @ 2.00mm grain set Garnets, mounted onto a 6.50-4.00mm wide tapered...

Auth. C DE CARTIER 18K Rose Gold Wedding Band 3mm 1 DIAMOND Box & Docs 62 $2740

Auth. C DE CARTIER 18K Rose Gold Wedding Band 3mm 1 DIAMOND Box & Docs 62 $2740

$1,940

Auth. C DE CARTIER 18K Rose Gold Wedding Band 3mm 1 DIAMOND Box & Docs 62 $2740 One beautifully designed C De Cartier diamond set wedding ring made in 18ct rose gold, Set with a modern brilliant cut diamond. Total weight 10.1 grams. Hallmarked...

Vintage 14k White Gold 0.62ct Pave Set Diamond Ring Size P1/2 Val $2750

Vintage 14k White Gold 0.62ct Pave Set Diamond Ring Size P1/2 Val $2750

$925

Vintage 14k White Gold 0.62ct Pave Set Diamond Ring Size P1/2 Val $2750One 14ct white gold diamond dress ring measuring 9.20 - 3.30mm wide band featuring a series of pavé set round brilliant cut diamonds arranged in a decorative panel design across the...

Vintage 18k Gold 1.03cttw Diamond Cluster Dress Ring Size T1/2 Val $5110

Vintage 18k Gold 1.03cttw Diamond Cluster Dress Ring Size T1/2 Val $5110

$1,725

Vintage 18k Gold 1.03cttw Diamond Cluster Dress Ring Size T1/2 Val $5110A vintage ladies diamond dress ring, crafted in 18ct yellow gold, featuring threecentral round brilliant cut diamonds, claw set, surrounded by six round brilliant cut diamonds in a...

Vintage Enamel & 0.70cttw Diamond 14k Gold Ring Size K Val $7940

Vintage Enamel & 0.70cttw Diamond 14k Gold Ring Size K Val $7940

$2,695

Vintage Enamel & 0.70cttw Diamond 14k Gold Ring Size K Val $7940A beautiful ladies diamond and enamel dress ring, crafted in 14ct yellow gold and designed as a stylised floral cluster. The ring features 7 brilliant cut diamonds, each claw set within...

Vintage 14K White Gold 1.38cttw Si Princess & Diamond Halo Ring N1/2 Val $8640

Vintage 14K White Gold 1.38cttw Si Princess & Diamond Halo Ring N1/2 Val $8640

$2,890

Vintage 14K White Gold 1.38cttw Si Princess & Diamond Halo Ring N1/2 Val $8640A vintage ladies 14ct white gold 1.38cttw diamond set halo ring. Containing one central princess cut Diamond four claw set, and surrounded by a cushion shaped halo of round...

4.24cttw White & Black Diamond Set 18k Gold Ring Size Q1/2 11.99g Val $14900

4.24cttw White & Black Diamond Set 18k Gold Ring Size Q1/2 11.99g Val $14900

$7,499

4.24cttw White & Black Diamond Set 18k Gold Ring Size Q1/2 11.99g Val $14900A striking 18ct yellow gold diamond ring, designed as a fully set wide band featuring alternating rows of black and white diamonds. The ring measures approximately 10.00mm wide...

Antique Old Cut 3.20cttw Old Cut Diamond Set Platinum Ring Size L Val $15830

Antique Old Cut 3.20cttw Old Cut Diamond Set Platinum Ring Size L Val $15830

$7,950

Antique Old Cut 3.20cttw Old Cut Diamond Set Platinum Ring Size L Val $15830An impressive antique platinum dress ring of sculptural openwork design, featuring two principal old cut diamonds, each claw set and surrounded by radiating baguette cut diamonds...

Antique 0.15cttw H Vs Single Cut Diamond Set Platinum Band Ring Size L Val $2815

Antique 0.15cttw H Vs Single Cut Diamond Set Platinum Band Ring Size L Val $2815

$1,399

Antique 0.15cttw H Vs Single Cut Diamond Set Platinum Band Ring Size L Val $2815Antique 0.15cttw Diamond set platinum band / ring, Containing 10 x channel set single cut Diamonds, mounted onto a 2.50mm - 1.30mm wide tapered half round band.Finger size L,...

Vintage 0.16cttw G Vs Diamond Set 18k Gold Band / Ring Size M Val $2820

Vintage 0.16cttw G Vs Diamond Set 18k Gold Band / Ring Size M Val $2820

$940

Vintage 0.16cttw G Vs Diamond Set 18k Gold Band / Ring Size M Val $2820A vintage 0.16cttw Diamond 18ct yellow gold band / ring, Containing 8x channel set Diamonds, mounted onto a 3.20mm - 1.50mm wide tapered half round band.Finger size M, Total weight 2...

Vintage 0.79ct Diamond Set 14K Yellow Gold Cluster Ring Size L Val $4650

Vintage 0.79ct Diamond Set 14K Yellow Gold Cluster Ring Size L Val $4650

$1,549

Vintage 0.79ct Diamond Set 14K Yellow Gold Cluster Ring Size L Val $4650A vintage ladies 14ct yellow gold diamond set dress ring, Containing 13 x claw set Diamonds with a wire basket mounted onto 4.70 - 1.40mm wide band with tapered shoulders, Containing...

Vintage 14K White Gold 0.67ct H Vs-Si Diamond Halo Ring Size I1/2 Val $4940

Vintage 14K White Gold 0.67ct H Vs-Si Diamond Halo Ring Size I1/2 Val $4940

$1,649

Vintage 14K White Gold 0.67ct H Vs-Si Diamond Halo Ring Size I1/2 Val $4940 A Vintage hallmarked 14ct white gold antigue halo cluster style ring, Featuring 1 x claw set central Diamond surrounded by 16 × grain set Diamonds, mounted onto 2.40mm...

Vintage 0.96ct Princess Cut Diamond 14K Gold Band Ring Size J Val $4890

Vintage 0.96ct Princess Cut Diamond 14K Gold Band Ring Size J Val $4890

$1,650

Vintage 0.96ct Princess Cut Diamond 14K Gold Band Ring Size J Val $4890 A Vintage hallmarked 14ct yellow gold ring containing 10 x channel set princess cut Diamonds, mounted into 3.80-2.70mm wide band. Finger size: J. Diamonds: 10 @ 2.50mm = 0.96ct...

Vintage 0.32ct Baguette Diamond 18K White Gold Band Ring Size J1/2 Val $3950

Vintage 0.32ct Baguette Diamond 18K White Gold Band Ring Size J1/2 Val $3950

$1,355

Vintage 0.32ct Baguette Diamond 18K White Gold Band Ring Size J1/2 Val $3950A Vintage hallmarked 18ct white gold ring, Containing 16 x channel set baguette Diamonds, mounted into 2.50 - 2.00mm wide band. Finger size: J1/2.Diamonds: 16 @ 1.70 x 1.50mm = 0...

Vintage Handmade 0.98cttw H Vs Diamond Set Platinum Ring Size M1/2 Val $8905

Vintage Handmade 0.98cttw H Vs Diamond Set Platinum Ring Size M1/2 Val $8905

$2,999

Vintage Handmade 0.98cttw H Vs Diamond Set Platinum Ring Size M1/2 Val $8905A vintage handmade platinum diamond ring with platinum setting, containing 7 x end set Diamonds with decorative gallery detailing mounted onto 2.50mm wide band with knife edge...

Vintage 0.24ct Old Cut Diamond Set 18k Gold Eternity Ring size N1/2 Val $3610

Vintage 0.24ct Old Cut Diamond Set 18k Gold Eternity Ring size N1/2 Val $3610

$1,225

Vintage 0.24ct Old Cut Diamond Set 18k Gold Eternity Ring size N1/2 Val $3610 A vintage handmade 18ct yellow gold old cut diamond set eternity ring, Containing 5 x claw set diamonds mounted onto a 1.50mm wide half round band. Finger size N1/2. Total...

Vintage Handmade 0.28ct Diamond Set 18k Gold Eternity Ring size N1/2 Val $4245

Vintage Handmade 0.28ct Diamond Set 18k Gold Eternity Ring size N1/2 Val $4245

$1,425

Vintage Handmade 0.28ct Diamond Set 18k Gold Eternity Ring size N1/2 Val $4245 A vintage handmade 18ct yellow & white gold brilliant cut diamond illusion set eternity ring, Containing 4 x illusion set diamonds mounted onto a 1.80mm wide half round...

Vintage 0.95cttw Cognac & White Diamond 10k Yellow Gold Ring Size O Val $3995

Vintage 0.95cttw Cognac & White Diamond 10k Yellow Gold Ring Size O Val $3995

$1,335

Vintage 0.95cttw Cognac & White Diamond 10k Yellow Gold Ring Size O Val $3995One hallmarked vintage 10ct yellow gold cluster style dress ring containing 19Diamonds in raised settings, mounted onto 1.80mm wide band with split shoulders.Finger size ),...

A Vintage 14K Gold 0.21ct I Si Diamond Set Band / Ring Size N1/2 Val $2230

A Vintage 14K Gold 0.21ct I Si Diamond Set Band / Ring Size N1/2 Val $2230

$799

A Vintage 14K Gold 0.21ct I Si Diamond Set Band / Ring Size N1/2 Val $2230A vintage 14ct yellow gold Diamond set inter twined ring / band, Containing 21 x bead set Diamonds, mounted onto a 2.00mm wide half round band.Finger size N1/2, Total weight 2.46g...

A Vintage 14K Gold 0.33ct H Diamond Set Band / Ring Size R Val $2580

A Vintage 14K Gold 0.33ct H Diamond Set Band / Ring Size R Val $2580

$875

A Vintage 14K Gold 0.33ct H Diamond Set Band / Ring Size R Val $2580A vintage 14ct yellow gold Diamond set ring / band, Containing 11 x channel set Diamonds, mounted onto a 4.30 - 2.40mm wide band.Finger size R, Total weight 3.38g.Brilliant cut Diamonds...

A Vintage 14K Gold 1.60cttw H Diamond Set Ring Size M1/2 Val $10550

A Vintage 14K Gold 1.60cttw H Diamond Set Ring Size M1/2 Val $10550

$3,550

A Vintage 14K Gold 1.60cttw H Diamond Set Ring Size M1/2 Val $10550One hallmarked 14k yellow gold ring containing 1 x raised white gold claw set 0.68ct Diamond, mounted onto 10.00 - 3.50mm wide tapered fan shape band channel set with 24 x brilliant cut...

A Vintage 14K Gold 0.48ct G Si Diamond Set Band / Ring Size S Val $3555

A Vintage 14K Gold 0.48ct G Si Diamond Set Band / Ring Size S Val $3555

$1,195

A Vintage 14K Gold 0.48ct G Si Diamond Set Band / Ring Size S Val $3555A vintage 14ct yellow gold Diamond set ring / band, Containing 12 x channel set Diamonds, mounted onto a 3.80 - 3.50mm wide half round band.Finger size S, Total weight 4.16g.Brilliant...

A Vintage 18K Rose Gold 0.30ct H Vs Diamond Set Band / Ring Size M1/2 Val $3010

A Vintage 18K Rose Gold 0.30ct H Vs Diamond Set Band / Ring Size M1/2 Val $3010

$999

A Vintage 18K Rose Gold 0.30ct H Vs Diamond Set Band / Ring Size M1/2 Val $3010A vintage 18ct rose gold Diamond set ring / band, Containing 15 x bead set Diamonds, mounted onto a 2.10mm wide undulating band.Finger size M1/2, Total weight 2.12g.Brilliant...

Vintage 0.57ct Princess Cut Diamond 14K W/Gold Band Ring Size L1/2 Val $3965

Vintage 0.57ct Princess Cut Diamond 14K W/Gold Band Ring Size L1/2 Val $3965

$1,325

Vintage 0.57ct Princess Cut Diamond 14K W/Gold Band Ring Size L1/2 Val $3965A Vintage hallmarked 14ct white gold ring containing 19 x channel set princess cut Diamonds, mounted into 2.00mm wide half round band. Finger size: L1/2.Diamonds: 19 @ 1.70mm = 0...

0.34ct Brilliant Cut Diamond Trilogy 14K White Gold Ring Size P Val $3265

0.34ct Brilliant Cut Diamond Trilogy 14K White Gold Ring Size P Val $3265

$1,095

0.34ct Brilliant Cut Diamond Trilogy 14K White Gold Ring Size P Val $3265A ladies vintage white gold diamond trilogy ring, Containing 3 x claw set diamonds, mounted onto a 3.20 - 1.20mm wide band with 2 x bead set shoulder Diamonds either side. Finger...

A Gentleman’s 10k Gold 0.36ct Black Diamond Set Ring Size R Val $4195

A Gentleman’s 10k Gold 0.36ct Black Diamond Set Ring Size R Val $4195

$1,425

A Gentleman's 10k Gold 0.36ct Black Diamond Set Ring Size R Val $4195 A vintage gentleman's hallmarked 10ct yellow gold gents dress ring containing 9 @ 2.30mm = 0.36ct (cal) black Diamonds surrounded by 24 × grain set single cut...

Antique Handmade 0.10cttw Single Cut Diamond 14K Gold Band Ring Size M Val $1735

Antique Handmade 0.10cttw Single Cut Diamond 14K Gold Band Ring Size M Val $1735

$749

Antique Handmade 0.10cttw Single Cut Diamond 14K Gold Band Ring Size M Val $1735 Antique handmade stamped 14ct yellow & white gold contoured ring, Containing 5 x grain set single cut Diamonds, mounted into 2.20 - 1.20mm wide band. Finger size: M...

Spectacular 4.16 cttw Radiant & Diamond Halo 18ct Gold Ring Sz I1/2 Val $78310

Spectacular 4.16 cttw Radiant & Diamond Halo 18ct Gold Ring Sz I1/2 Val $78310

$39,990

Spectacular 4.16 cttw Radiant & Diamond Halo 18ct Gold Ring Sz I1/2 Val $78310 An elegant and beautifully proportioned 18ct white gold radiant-cut diamond ring, showcasing a striking centre stone framed by a fine halo and diamond-set shoulders. The...

Antique 0.98ct Old Cut Diamond Set Bombe Cluster 18k Gold Ring Size K Val $6615

Antique 0.98ct Old Cut Diamond Set Bombe Cluster 18k Gold Ring Size K Val $6615

$3,300

Antique 0.98ct Old Cut Diamond Set Bombe Cluster 18k Gold Ring Size K Val $6615 Antique 18ct white gold bombe cluster signet style dress ring, Containing 7 grain set Diamonds, Mounted onto 15.50 - 4.80mm wide tapered band. Finger size K, Total weight 8...

Vintage 14k White Gold Diamonds All The way Around Dress Ring Size O Val $3310.

Vintage 14k White Gold Diamonds All The way Around Dress Ring Size O Val $3310.

$1,110

Vintage 14k White Gold Diamonds All The way Around Dress Ring Size O Val $3310. A vintage 14ct white gold diamonds all the way around dress ring containing 45 x bead set single cut diamonds, mounted onto a 2.3mm band. Finger size O, Total weight 1.70g...

A Platinum & 0.50ct VS Diamond Set Ladies Band / Ring Size M Val $2030

A Platinum & 0.50ct VS Diamond Set Ladies Band / Ring Size M Val $2030

$795

A Platinum & 0.50ct VS Diamond Set Ladies Band / Ring Size M Val $2030 A vintage platinum and diamond set ladies ring, containing 13 x grain set Diamonds, mounted onto 2.50 - 1.50mm wide half round band. Finger size M, Total weight 1.81g. Total...

Vintage 0.30ct G VS Princess Cut Diamond 18k Gold Ring Size K Val $4305

Vintage 0.30ct G VS Princess Cut Diamond 18k Gold Ring Size K Val $4305

$1,435

Vintage 0.30ct G VS Princess Cut Diamond 18k Gold Ring Size K Val $4305 A vintage 18ct yellow old 0.30ct princess cut diamond ring. Containing 1 x white gold end set Diamond, Mounted onto 3.30 - 1.50mm wide band. Finger Size K. Total weight 3.71 grams...

A Platinum & 0.81ct H VS Diamond Set Ladies Band / Ring Size O Val $6150

A Platinum & 0.81ct H VS Diamond Set Ladies Band / Ring Size O Val $6150

$2,100

A Platinum & 0.81ct H VS Diamond Set Ladies Band / Ring Size O Val $6150 One platinum and diamond set eternity style ring, containing 9 x claw set Diamonds, mounted onto 2.20mm wide half round band. Finger size O, Total weight 4.01g. Total diamond...

1.88ct Marquise Cut Diamond 10K Seven Stone Ring Size O Val $7920

1.88ct Marquise Cut Diamond 10K Seven Stone Ring Size O Val $7920

$2,650

1.88ct Marquise Cut Diamond 10K Seven Stone Ring Size O Val $7920 A vintage ladies 10K yellow gold seven marquise cut Diamond ring, Containing 7 x end set settings, mounted on a flat yellow gold band. Finger size O, Total weight 4.60g. Total diamond...

Vintage 0.27ct Diamond Set 10k White Gold Band Ring Size R1/2 Val $1960

Vintage 0.27ct Diamond Set 10k White Gold Band Ring Size R1/2 Val $1960

$799

Vintage 0.27ct Diamond Set 10k White Gold Band Ring Size R1/2 Val $1960One hallmarked 10ct white gold ring containing 10 x bead set Diamonds in marquise shape settings, alternating with 4 x bezel set Diamondswith mille grain edging, mounted onto 1.50mm...