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.

Vintage 1.74cttw Diamond Oval Halo 18K Gold Ring Size M Val $10710

Vintage 1.74cttw Diamond Oval Halo 18K Gold Ring Size M Val $10710

$5,400

Vintage 1.74cttw Diamond Oval Halo 18K Gold Ring Size M Val $10710 A ladies vintage 18ct yellow gold diamond halo style ring, Featuring 1 x four claw set oval Diamond surrounded by 16 micro claw set Diamonds, Mounted onto a 2.50mm wide band containing 5...

Vintage 0.58ct H Vs Marquise Cut Diamond 14K White Gold Solitaire Ring Val $5295

Vintage 0.58ct H Vs Marquise Cut Diamond 14K White Gold Solitaire Ring Val $5295

$1,795

Vintage 0.58ct H Vs Marquise Cut Diamond 14K White Gold Solitaire Ring Val $5295 A timeless 14ct white gold diamond solitaire ring, Containing 1 x raised claw set 0.58ct Marquise cut diamond, Mounted onto a 2.0mm wide band with knife edge shoulders...

1.65ct Brilliant Cut Diamond 10K White Gold Cluster Ring Size M Val $6410

1.65ct Brilliant Cut Diamond 10K White Gold Cluster Ring Size M Val $6410

$2,150

1.65ct Brilliant Cut Diamond 10K White Gold Cluster Ring Size M Val $6410 A ladies 10ct white gold diamond dress ring, Featuring a multi cluster diamond set central section framed by 15 x grain set Diamonds either side, mounted into 11.00 - 2.30mm wide...

Vintage 2.12cttw Diamond 14k Yellow Gold Ring Size W1/2 Val $11480

Vintage 2.12cttw Diamond 14k Yellow Gold Ring Size W1/2 Val $11480

$3,855

Vintage 2.12cttw Diamond 14k Yellow Gold Ring Size W1/2 Val $11480 A vintage 14ct yellow gold diamond cluster ring, Containing 1 x raised four claw set 1.00ct brilliant cut diamond mounted onto a 3.00mm wide wrap around band, channel set with 55 x...

Impressive Vintage 2.44cttw Diamond 14K Gold Ladies Cluster Ring Sz M Val $10360

Impressive Vintage 2.44cttw Diamond 14K Gold Ladies Cluster Ring Sz M Val $10360

$3,475

Impressive Vintage 2.44cttw Diamond 14K Gold Ladies Cluster Ring Sz M Val $10360 A very impressive vintage ladies 14ct yellow gold Diamond cluster ring, Featuring a marquise shape Diamond cluster centre piece, mounted onto 3.00mm wide band with tapered...

Vintage 14ct White Gold 0.36ct Semi Set Diamond Ring Size X1/2 Val $4040

Vintage 14ct White Gold 0.36ct Semi Set Diamond Ring Size X1/2 Val $4040

$1,350

Vintage 14ct White Gold 0.36ct Semi Set Diamond Ring Size X1/2 Val $4040 A vintage 14ct white gold diamond set ladies ring. Containing 9 x semi set Diamonds, Mounted into a half round band, measures 6.80mm-3.40mm wide. Finger Size X1/2. Total weight 7...

Vintage 1.06ct Marquise Diamond 18k White Gold Halo Ring Size N Val $13225

Vintage 1.06ct Marquise Diamond 18k White Gold Halo Ring Size N Val $13225

$6,599

Vintage 1.06ct Marquise Diamond 18k White Gold Halo Ring Size N Val $13225 A vintage 18ct white gold marquise shape diamond halo ring. Containing 1 x bezel set marquise shape 1.06ct marquise cut diamond, surrounded by 20 grain set diamonds, mounted onto...

Vintage 1.24cttw Diamond 10k Yellow Gold Cluster Dress Ring Size O Val $4850

Vintage 1.24cttw Diamond 10k Yellow Gold Cluster Dress Ring Size O Val $4850

$1,625

Vintage 1.24cttw Diamond 10k Yellow Gold Cluster Dress Ring Size O Val $4850A vintage 10ct yellow gold Diamond cluster dress ring, Containing 12 x claw set diamonds, 16 x channel set brilliant cut diamonds and 20 x channel set tapered baguette diamonds,...

Vintage 1.61cttw G-H Vs Oval & Trilliant Diamond Platinum Ring Size J Val $22900

Vintage 1.61cttw G-H Vs Oval & Trilliant Diamond Platinum Ring Size J Val $22900

$11,500

Vintage 1.61cttw G-H Vs Oval & Trilliant Diamond Platinum Ring Size J Val $22900 An increaibly impressive vintage handmade platinum oval & trilliant cut diamond trilogy ring, Containing 1 x claw set oval diamond and 2 x claw set trilliant cut...

Antique Platinum 0.43ct G VS Single Cut Diamond Ring Size M 1/2 Val $4520

Antique Platinum 0.43ct G VS Single Cut Diamond Ring Size M 1/2 Val $4520

$2,275

Antique Platinum 0.43ct G VS Single Cut Diamond Ring Size M 1/2 Val $4520 Antique ladies platinum diamond set ring, Containing 7 x grain set central diamonds framed by 10 x grain set diamonds either side, mounted onto 1.80mm wide half round band. Finger...

Antique Platinum 1.09ct Old Cut Diamond & Sapphire Set Ring Size K1/2 Val $9150

Antique Platinum 1.09ct Old Cut Diamond & Sapphire Set Ring Size K1/2 Val $9150

$4,575

Antique Platinum 1.09ct Old Cut Diamond & Sapphire Set Ring Size K1/2 Val $9150 A antique platinum Diamonds set diamond and sapphire ladies cocktail ring. Containing 1 x multi claw set central diamond surrounded by 10 x grain set diamonds and 8 x...

Vintage 0.15ct Diamond Set 10ct White Gold Band / Ring size Q Val $2250

Vintage 0.15ct Diamond Set 10ct White Gold Band / Ring size Q Val $2250

$799

Vintage 0.15ct Diamond Set 10ct White Gold Band / Ring size Q Val $2250 A vintage 10ct white gold brilliant cut diamond set ladies band / ring, Containing 10 x bead set diamonds with mille grain edging, mounted onto a 1.80mm wide half round band. ...

Antique 1.00ct Old Cut Diamond 14ct White Gold Eternity Ring size L Val $5820

Antique 1.00ct Old Cut Diamond 14ct White Gold Eternity Ring size L Val $5820

$2,899

Antique 1.00ct Old Cut Diamond 14ct White Gold Eternity Ring size L Val $5820A wonderful antique 14ct white gold old cut diamond set ladies ring, Containing 5 x claw set diamonds mounted onto a 1.70mm wide band with tapered shoulders and engraved...

Vintage 0.45ct Channel Set Diamond Platinum Ladies Ring Size N Val $3170

Vintage 0.45ct Channel Set Diamond Platinum Ladies Ring Size N Val $3170

$1,080

Vintage 0.45ct Channel Set Diamond Platinum Ladies Ring Size N Val $3170 A vintage Platinum channel set diamond ladies ring, Containing 9 x channel set Diamonds mounted onto a 3.20 - 2.70mm band, Finger size N. Total weight 3.40g. Brilliant cut...

Vintage 0.53 cttw Diamond Set Ladies 14K White Gold Ring Size R Val $3520

Vintage 0.53 cttw Diamond Set Ladies 14K White Gold Ring Size R Val $3520

$1,175

Vintage 0.53 cttw Diamond Set Ladies 14K White Gold Ring Size R Val $3520 A vintage ladies 14ct white gold diamond set ring, Containing 1 x illusion set central 0.37ct diamond and 4 x claw set shoulder diamonds, mounted onto a 2.20 - 1.00mm wide tapered...

Handmade 14k Yellow Gold 0.40ct Diamond Set Ladies Ring Size N1/2 Val $3470

Handmade 14k Yellow Gold 0.40ct Diamond Set Ladies Ring Size N1/2 Val $3470

$1,059

Handmade 14k Yellow Gold 0.40ct Diamond Set Ladies Ring Size N1/2 Val $3470 A vintage handmade 14k yellow gold & platinum diamond ring, Containing 3 x four claw set Diamonds, Mounted onto a 2.60mm wide half round band. Finger size O. Total weight 3...

Vintage 14k Yellow Gold 0.78ct Diamond Set Ladies Ring Size K Val $4450

Vintage 14k Yellow Gold 0.78ct Diamond Set Ladies Ring Size K Val $4450

$1,499

Vintage 14k Yellow Gold 0.78ct Diamond Set Ladies Ring Size K Val $4450 A stunning 14k yellow gold diamond ring, Containing 1 x raised white gold set Diamond, Mounted onto a 2.80mm wide band with tapered fan shape shoulders containing 13 x shoulder...

Vintage 14k Yellow Gold 1.19cttw G Vs Diamond Set Cubism Ring Sz L Val $7840

Vintage 14k Yellow Gold 1.19cttw G Vs Diamond Set Cubism Ring Sz L Val $7840

$2,625

Vintage 14k Yellow Gold 1.19cttw G Vs Diamond Set Cubism Ring Sz L Val $7840A vintage 14k yellow gold diamond cubism ring, Containing 17 x end set baguette diamonds, mounted onto a 5.70 - 4.60mm wide tapered band. Finger size L. Total weight 6.46g...

Vintage 14k Yellow Gold 2.04cttw Diamond Cocktail Ring Sz S1/2 Val $9055

Vintage 14k Yellow Gold 2.04cttw Diamond Cocktail Ring Sz S1/2 Val $9055

$3,025

Vintage 14k Yellow Gold 2.04cttw Diamond Cocktail Ring Sz S1/2 Val $9055A vintage 14k yellow gold diamond cocktail ring, Containing 1 x raised marquise Diamond, 12 x step down claw set baguette diamonds and 22 x channel set outer diamonds, mounted onto a...

Vintage 14ct Yellow Gold 0.60ct Diamond Eternity Ring Size J Val $4030

Vintage 14ct Yellow Gold 0.60ct Diamond Eternity Ring Size J Val $4030

$1,349

Vintage 14ct Yellow Gold 0.60ct Diamond Eternity Ring Size J Val $4030A vintage 14ct yellow gold 0.60ct brilliant cut Diamond cluster set ring, Containing 5 x claw set diamonds, mounted onto a 1.50mm wide band. Finger size J. Total weight 1.60g.Diamonds...

Vintage 14ct Yellow Gold Marquise & Brillant Cut Diamond Ring size O Val $3950

Vintage 14ct Yellow Gold Marquise & Brillant Cut Diamond Ring size O Val $3950

$1,325

Vintage 14ct Yellow Gold Marquise & Brillant Cut Diamond Ring size O Val $3950A 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 crossover...

Vintage 0.20 cttw Diamond Set Ladies 14K White Gold Ring Size K Val $2670

Vintage 0.20 cttw Diamond Set Ladies 14K White Gold Ring Size K Val $2670

$899

Vintage 0.20 cttw Diamond Set Ladies 14K White Gold Ring Size K Val $2670 A ladies 14ct white gold princess cut Diamond set dress ring, Containing 4 x invisible set princess cut diamonds, mounted onto a 5.00 - 3.30mm wide tapered band. Finger Size K...

Vintage 0.97cttw Diamond Set Ladies 14ct Gold Dress Ring Size K1/2 Val $4940

Vintage 0.97cttw Diamond Set Ladies 14ct Gold Dress Ring Size K1/2 Val $4940

$1,659

Vintage 0.97cttw Diamond Set Ladies 14ct Gold Dress Ring Size K1/2 Val $4940 A ladies 14ct yellow gold Diamond cluster dress ring, Containing 37 x claw set diamonds with polished gold fan shape detailing, mounted onto a 1.60mm wide band. Finger Size...

Antique 0.15ct Diamond Set Ladies 14K White Gold Ring Size L Val $2100

Antique 0.15ct Diamond Set Ladies 14K White Gold Ring Size L Val $2100

$799

Antique 0.15ct Diamond Set Ladies 14K White Gold Ring Size L Val $2100 A ladies antique 14ct white gold Diamond set dress ring, Containing 1 x bead set old cut diamond in a square shape setting, mounted onto a 1.30mm wide half round tapered band with...

Vintage 0.63ct Diamond Set 10ct White Gold Ladies Ring Size N Val $4140

Vintage 0.63ct Diamond Set 10ct White Gold Ladies Ring Size N Val $4140

$1,385

Vintage 0.63ct Diamond Set 10ct White Gold Ladies Ring Size N Val $4140 A vintage 10ct white gold ladies diamond set ring, Featuring 9 x illusion set diamonds, mounted onto 3.50mm wide off set band, channel set with 4 x diamonds either side and wrap...

Vintage 0.84ct Diamond Set 18ct White Gold Ring Size T1/2 Val $6940

Vintage 0.84ct Diamond Set 18ct White Gold Ring Size T1/2 Val $6940

$2,315

Vintage 0.84ct Diamond Set 18ct White Gold Ring Size T1/2 Val $6940 A vintage 18ct white gold 0.84cttw diamond set dress ring, Containing 3 x bead set diamonds, mounted onto 9.70 - 3.50mm wide tapered band with matte finished decorative shoulders...

Vintage 0.98ct Diamond Set 14ct White Gold Cluster Ring Size O Val $6725

Vintage 0.98ct Diamond Set 14ct White Gold Cluster Ring Size O Val $6725

$2,245

Vintage 0.98ct Diamond Set 14ct White Gold Cluster Ring Size O Val $6725 A vintage 14ct white gold 0.98cttw diamond set multi tiered cluster ring, containing 45 micro claw set diamonds with a decorative basket with scroll detailing mounted onto 2.20mm...

Vintage 3.34ct Diamond Set 18ct Yellow Gold Cluster Ring Size T1/2 Val $9200

Vintage 3.34ct Diamond Set 18ct Yellow Gold Cluster Ring Size T1/2 Val $9200

$3,099

Vintage 3.34ct Diamond Set 18ct Yellow Gold Cluster Ring Size T1/2 Val $9200 A vintage ladies 18ct yellow gold Diamond set cluster ring, containing 1 x raised claw set pear shape diamond, surrounded by 34 channel set diamonds, mounted onto 2.30mm wide...

1.18 cttw Diamond Set 14ct White Gold Ladies Ring Size L1/2 Val $5635

1.18 cttw Diamond Set 14ct White Gold Ladies Ring Size L1/2 Val $5635

$1,885

1.18 cttw Diamond Set 14ct White Gold Ladies Ring Size L1/2 Val $5635 A ladies 14ct white gold 1.18ct Diamond set cluster dress ring, Containing 4 x central princess cut diamonds surrounded by 16 x micro claw set diamonds, mounted onto 2.00mm wide band...

A High Dome 1.00ct G Si Diamond Set 14ct Yellow Gold Ring Size P1/2 Val $5965

A High Dome 1.00ct G Si Diamond Set 14ct Yellow Gold Ring Size P1/2 Val $5965

$1,995

A High Dome 1.00ct G Si Diamond Set 14ct Yellow Gold Ring Size P1/2 Val $5965 One 18ct yellow gold high domed dress ring with textured detailing, Containing 77 pave set diamonds, mounted into a 10.40 - 6.60mm wide tapered band. Finger Size P1/2. Total...

Vintage 14ct Yellow Gold 0.72ct Diamond Set Crossover Ladies Size M1/2 Val $2880

Vintage 14ct Yellow Gold 0.72ct Diamond Set Crossover Ladies Size M1/2 Val $2880

$970

Vintage 14ct Yellow Gold 0.72ct Diamond Set Crossover Ladies Size M1/2 Val $2880 A vintage 14ct yellow gold diamond set crossover ring, containing 12 x channel set diamonds, Mounted onto a 3.0mm wide band. Finger size M1/2, Total weight 3.36g. Total...

Vintage 1.53ct Diamond Set 14ct Yellow Gold Cluster Ring Size Q1/2 Val $5995

Vintage 1.53ct Diamond Set 14ct Yellow Gold Cluster Ring Size Q1/2 Val $5995

$1,995

Vintage 1.53ct Diamond Set 14ct Yellow Gold Cluster Ring Size Q1/2 Val $5995 A vintage ladies 14ct yellow gold Diamond set cluster ring, containing 34 x claw set diamonds, mounted onto 2.40mm wide yellow gold band with split leaf shape shoulders. Finger...

Vintage Transitional Cut Diamond Set 18ct White Gold Ring Size U1/2 Val $2940

Vintage Transitional Cut Diamond Set 18ct White Gold Ring Size U1/2 Val $2940

$995

Vintage Transitional Cut Diamond Set 18ct White Gold Ring Size U1/2 Val $2940 Vintage 14ct white gold transitional cut diamond set ring, Containing 1 bead set central diamond in a hexagonal shape top setting, mounted onto a 6.20 - 2.50mm wide tapered...

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

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

$5,750

Antique 0.98cttw Old Cut Diamond Set 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...

Antique Handmade c1910 Diamond Set 18ct Gold & Platinum Ring Size N Val $3135

Antique Handmade c1910 Diamond Set 18ct Gold & Platinum Ring Size N Val $3135

$1,550

Antique Handmade c1910 Diamond Set 18ct Gold & Platinum Ring Size N Val $3135 Antique handmade 18ct yellow gold and platinum cocktail ring, Containing 5 x bezel set diamonds with saw pierced coronets, mounted onto a 1.70mm wide half round band...

Vintage 1.12ct Diamond Set Ladies 10ct Gold Dress Ring Size R1/2 Val $3305

Vintage 1.12ct Diamond Set Ladies 10ct Gold Dress Ring Size R1/2 Val $3305

$1,099

Vintage 1.12ct Diamond Set Ladies 10ct Gold Dress Ring Size R1/2 Val $3305A ladies 10ct yellow gold Diamond dress ring, Featuring a suspended square shape central setting containing 25 invisible set princess cut diamonds, mounted onto a 1.7mm wide band...