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.

Handmade Platinum 0.93ct E Vs Brilliant Cut Diamond Band J Val $4485

Handmade Platinum 0.93ct E Vs Brilliant Cut Diamond Band J Val $4485

$2,250

Handmade Platinum 0.93ct E Vs Brilliant Cut Diamond Band J Val $4485An elegant handmade platinum full eternity wedding ring, beautifully set around the entire band with 31 modern brilliant cut diamonds.The diamonds are channel set into a refined 2.90mm...

Vintage 18K Yellow Gold 0.48ct H Vs Brilliant Cut Diamond Ring S Val $5290

Vintage 18K Yellow Gold 0.48ct H Vs Brilliant Cut Diamond Ring S Val $5290

$1,800

Vintage 18K Yellow Gold 0.48ct H Vs Brilliant Cut Diamond Ring S Val $5290A classic and beautifully made vintage 18ct yellow and white gold diamond solitaire ring, featuring a bright modern brilliant cut diamond secured within an elegant white gold tulip...

Vintage 18K Yellow Gold 0.33ct H Vs Brilliant Cut Diamond Ring T Val $4590

Vintage 18K Yellow Gold 0.33ct H Vs Brilliant Cut Diamond Ring T Val $4590

$1,600

Vintage 18K Yellow Gold 0.33ct H Vs Brilliant Cut Diamond Ring T Val $4590A classic and beautifully made vintage 18ct yellow and white gold diamond solitaire ring, featuring a bright modern brilliant cut diamond secured within an elegant white gold tulip...

Vintage 18k Yellow & White Gold 0.46ct H Si Diamond Crossover Ring Val P.5 $5445

Vintage 18k Yellow & White Gold 0.46ct H Si Diamond Crossover Ring Val P.5 $5445

$1,850

Vintage 18k Yellow & White Gold 0.46ct H Si Diamond Crossover Ring Val P.5 $5445An elegant hand assembled 18 carat yellow and white gold diamond crossover ring, featuring two round brilliant cut diamonds to the centre with diamond set white gold...

Vintage 18K White Gold 0.60ct Brilliant Cut Diamond Ring R Val $5615

Vintage 18K White Gold 0.60ct Brilliant Cut Diamond Ring R Val $5615

$1,875

Vintage 18K White Gold 0.60ct Brilliant Cut Diamond Ring R Val $5615An elegant 18ct white gold antique style diamond ring featuring a central brilliant cut diamond surrounded by beautifully detailed pierced and diamond set shoulders.The centre is four...

Vintage 14k Gold Marquise & Briliant Cut 0.42cttw Diamond Ring SZ O Val $3950

Vintage 14k Gold Marquise & Briliant Cut 0.42cttw Diamond Ring SZ O Val $3950

$1,325

Vintage 14ct Yellow Gold Marquise & Brilliant Cut Diamond Ring size O Val $3950 A vintage 14ct yellow gold marquise & brilliant cut Diamond cluster ring, Containing 1 x claw set marquise shape diamonds, mounted onto a 3.70 - 2.30mm wide...

Vintage Handmade 1.25ct H Si Old Cut Diamond Platinum Ring Size J1/2 Val $18790

Vintage Handmade 1.25ct H Si Old Cut Diamond Platinum Ring Size J1/2 Val $18790

$9,750

Vintage Handmade 1.25ct H Si Old Cut Diamond Platinum Ring Size J1/2 Val $18790 A vintage handmade platinum old cut Diamond solitaire ring, Containing one four claw set 1.25ct transitional cut Diamond, mounted onto a 1.80mm wide half round band with...

Antique 0.98cttw Old Cut Diamond 14ct White Gold Ring Size N Val $11490.

Antique 0.98cttw Old Cut Diamond 14ct White Gold Ring Size N Val $11490.

$5,750

Antique 0.98cttw Old Cut Diamond 14ct White Gold Ring Size N Val $11490.Antique handmade 14ct white gold old cut diamond set Edwardian ring, Containing 1 bezel set central diamond with a hexagonal shape setting surround, mounted onto a 1.50mm wide band...

Vintage Jeff Cooper 1.10ct Vs1 Emerald Cut Diamond Set Platinum Ring Val $13520

Vintage Jeff Cooper 1.10ct Vs1 Emerald Cut Diamond Set Platinum Ring Val $13520

$6,990

Vintage Jeff Cooper 1.10ct Vs1 Emerald Cut Diamond Set Platinum Ring Val $13520An impressive Jeff Cooper platinum diamond ring, centred with a beautifully proportioned 1.10ct emerald cut diamond of VS1 clarity.The diamond is secured in a refined four...

Vintage Platinum 0.40ct Princess Cut Diamond Eternity Ring Size N Val $6660

Vintage Platinum 0.40ct Princess Cut Diamond Eternity Ring Size N Val $6660

$2,400

Vintage Platinum 0.40ct Princess Cut Diamond Eternity Ring Size N Val $6660A vintage platinum princess cut Diamond set eternity ring, Containing 5 x claw set princess cut Diamonds, mounted into a 2.70 - 2.00mm wide band with grooved detailed shoulders...

1.08cttw 14K Gold Princess Cut Diamond Ring & Diamond Set Shoulders Val $6755

1.08cttw 14K Gold Princess Cut Diamond Ring & Diamond Set Shoulders Val $6755

$2,275

1.08cttw 14K Gold Princess Cut Diamond Ring & Diamond Set Shoulders Val $6755An elegant and contemporary 14ct white gold diamond engagement ring, beautifully crafted with clean architectural lines and an impressive display of natural diamonds.The ring is...

0.55cttw Diamond Contoured Sterling Silver Band / Ring Size M1/2 Val $1150

0.55cttw Diamond Contoured Sterling Silver Band / Ring Size M1/2 Val $1150

$395

0.55cttw Diamond Contoured Sterling Silver Band / Ring Size M1/2 Val $1150A vintage sterling silver contoured Diamond band / ring, Containing 21 x claw set Diamonds, mounted onto a 1.6mm wide white gold half round band. Finger size M1/2. Total weight 1...

Vintage 18k Yellow Gold 0.45ct Diamond Set Toi et Moi Ring Size P1/2 Val $4925

Vintage 18k Yellow Gold 0.45ct Diamond Set Toi et Moi Ring Size P1/2 Val $4925

$1,595

Vintage 18k Yellow Gold 0.45ct Diamond Set Toi et Moi Ring Size P1/2 Val $4925A vintage handmade toy et moi (you and me) 18ct yellow gold & platinum diamond set crossover ring, The ring is claw set to the centre with two round brilliant cut Diamonds,...

Vintage 1.28ct I Si Diamond Set 14k Yellow Gold Dress Ring Size L1/2 Val $5695

Vintage 1.28ct I Si Diamond Set 14k Yellow Gold Dress Ring Size L1/2 Val $5695

$1,760

Vintage 1.28ct I Si Diamond Set 14k Yellow Gold Dress Ring Size L1/2 Val $5695A bold vintage diamond bombe ring with serious architectural presence. Crafted in hallmarked 14ct yellow and white gold, this striking cluster ring features a raised geometric...

Tiffany & Co 0.34ct I Vs Diamond Solitaire Platinum Ring Size L Val $6350

Tiffany & Co 0.34ct I Vs Diamond Solitaire Platinum Ring Size L Val $6350

$2,200

Tiffany & Co 0.34ct I Vs Diamond Solitaire Platinum Ring Size L Val $6350 A timeless Tiffany & Co diamond solitaire ring, crafted in platinum and set with a bright 0.34ct round brilliant cut diamond. The diamond is graded I colour and VS...

Vintage 3.98cttw Diamond Cluster 14ct White Gold Ring 13.24g size P Val $11120

Vintage 3.98cttw Diamond Cluster 14ct White Gold Ring 13.24g size P Val $11120

$3,950

Vintage 3.98cttw Diamond Cluster 14ct White Gold Ring 13.24g size P Val $11120 An impressive vintage diamond cluster dress ring mounted in 14ct white gold, unstamped. The ring features a raised cluster design centred with an illusion set brilliant cut...

Handmade 1.73 cttw E VS Diamond Set Platinum Ring Size I1/2 Val $27800 GIA XXX

Handmade 1.73 cttw E VS Diamond Set Platinum Ring Size I1/2 Val $27800 GIA XXX

$14,000

Handmade 1.73 cttw E VS Diamond Set Platinum Ring Size I1/2 Val $27800 GIA XXX A beautiful handmade platinum diamond ring, centred with a superb GIA certified 1.31ct round brilliant cut diamond. The centre diamond is graded E colour, VS clarity, with...

Vintage 0.90ct G Vs Set Emerald Cut Diamond 18k Gold Ring Size I1/2 Val $6770

Vintage 0.90ct G Vs Set Emerald Cut Diamond 18k Gold Ring Size I1/2 Val $6770

$2,490

Vintage 0.90ct G Vs Set Emerald Cut Diamond 18k Gold Ring Size I1/2 Val $6770 A vintage 18ct white gold emerald cut diamond dress ring, featuring a claw set central emerald cut diamond with stepped baguette diamond shoulders. The centre diamond measures...

Vintage 1.38ct G Vs Set Emerald Cut Diamond Platinum Ring Size K1/2 Val $7890

Vintage 1.38ct G Vs Set Emerald Cut Diamond Platinum Ring Size K1/2 Val $7890

$3,950

Vintage 1.38ct G Vs Set Emerald Cut Diamond Platinum Ring Size K1/2 Val $7890A beautiful vintage hallmarked platinum diamond ring, Featuring 6 claw set emerald cut diamonds, mounted across a raised setting with delicate filigree detailing. The emerald...

Vintage 0.84ct Vs Channel Set Baguette Diamond Platinum Ring Size J1/2 Val $6675

Vintage 0.84ct Vs Channel Set Baguette Diamond Platinum Ring Size J1/2 Val $6675

$3,330

Vintage 0.84ct Vs Channel Set Baguette Diamond Platinum Ring Size J1/2 Val $6675A stylish platinum diamond ring featuring 9 channel set baguette cut diamonds, beautifully mounted across the front of a tapered platinum band. The clean linear setting gives...

Vintage 14K White Gold 2.10cttw Diamond Halo Dress Ring I Val $14380

Vintage 14K White Gold 2.10cttw Diamond Halo Dress Ring I Val $14380

$7,250

Vintage 14K White Gold 2.10cttw Diamond Halo Dress Ring I Val $14380 A beautiful vintage 14ct white gold diamond cluster ring, featuring a central round brilliant cut diamond claw set within a cushion-shaped halo of micro claw-set round brilliant cut...

Vintage 14K White Gold 3.06cttw Diamond Halo Dress Ring J Val $24295

Vintage 14K White Gold 3.06cttw Diamond Halo Dress Ring J Val $24295

$12,500

Vintage 14K White Gold 3.06cttw Diamond Halo Dress Ring J Val $24295 A beautiful vintage hallmarked 14ct white gold diamond cluster ring, designed with a striking cushion-shaped head and brilliant diamond sparkle throughout. The ring features one...

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...

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 ),...