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.

A Vintage 18ct Yellow Gold 2.40cttw Diamond Cluster Ring Size M1/2 Val $15500

A Vintage 18ct Yellow Gold 2.40cttw Diamond Cluster Ring Size M1/2 Val $15500

$5,999

A Vintage 18ct Yellow Gold 2.40cttw Diamond Cluster Ring Size M1/2 Val $15500 A vintage 18ct yellow gold and white gold 2.40cttw Diamond cluster staggered height cocktail ring, Containing 1 x raised cetral Diamond and 16 x claw set Diamonds either side,...

Vintage 0.30ct Princess Cut Diamond Set 14ct White Gold Solitaire Ring Val $2380

Vintage 0.30ct Princess Cut Diamond Set 14ct White Gold Solitaire Ring Val $2380

$849

Vintage 0.30ct Princess Cut Diamond Set 14ct White Gold Solitaire Ring Val $2380A vintage ladies 14ct white gold diamond solitaire ring, Containing 1 x four claw set central Princess cut Diamond, mounted onto a 1.80mm wide half round flow up band. Finger...

Vintage 0.30 Marquise 0.42 Tapered Baguette Diamond Set Platinum Ring Val $6650

Vintage 0.30 Marquise 0.42 Tapered Baguette Diamond Set Platinum Ring Val $6650

$2,250

Vintage 0.30 Marquise 0.42 Tapered Baguette Diamond Set Platinum Ring Val $6650A vintage ladies platinum diamond cocktail ring, Containing 1 x raised claw set central Marquise Diamond, mounted onto a 2.00mm wide band with tapered shoulders containing 7 x...

Antique 18ct Gold 0.50ct H Si Old Cut Diamond Solitare Ring Size K1/2 Val $6780

Antique 18ct Gold 0.50ct H Si Old Cut Diamond Solitare Ring Size K1/2 Val $6780

$3,390

Antique 18ct Gold 0.50ct H Si Old Cut Diamond Solitare Ring Size K1/2 Val $6780Antique 18ct white gold old cut Diamond ring, Containing 1 x bead set central diamond in a hexagonal shape setting with a decorative basket, mounted onto a 1.20mm wide tapered...

0.35ct Brilliant Cut Diamond Channel Set 14ct White Gold Ring K1/2 Val $2410

0.35ct Brilliant Cut Diamond Channel Set 14ct White Gold Ring K1/2 Val $2410

$849

0.35ct Brilliant Cut Diamond Channel Set 14ct white Gold Ring K1/2 Val $2410 A vintage ladies 14ct white gold Diamond ring, Containing 7 x Channel set Diamonds, mounted onto a 3.60 - 2.30mm wide grooved band with strap shoulders, flat on one side to sit...

Vintage 0.47ct Princess Diamond 14ct White Gold Ring Size N 1/2 Val $4380

Vintage 0.47ct Princess Diamond 14ct White Gold Ring Size N 1/2 Val $4380

$1,499

Vintage 0.47ct Princess Diamond 14ct White Gold Ring Size N 1/2 Val $4380A vintage 0.59 cttw Diamond set 14ct white gold ring, containing 1 x rasied four claw set Diamond and 12 channel set feature diamonds, mounted onto a 3.00 - 2.20mm wide half round...

Vintage 0.18ct Diamond Set Ladies 14ct White Gold Ring Size J1/2 Val $2690

Vintage 0.18ct Diamond Set Ladies 14ct White Gold Ring Size J1/2 Val $2690

$899

Vintage 0.18ct Diamond Set Ladies 14ct White Gold Ring Size J1/2 Val $2690A ladies 14ct white gold Diamond set eternity style ring, Containing 6 x raised four claw set Diamonds, mounted onto a 2.30 - 1.20mm wide half round band. Finger Size J 1/2. Total...

Vintage 0.30ct Diamond Set Ladies 14ct White Gold Ring Size K1/2 Val $3150

Vintage 0.30ct Diamond Set Ladies 14ct White Gold Ring Size K1/2 Val $3150

$1,075

Vintage 0.30ct Diamond Set Ladies 14ct White Gold Ring Size K1/2 Val $3150A ladies 14ct white gold Diamond set antique style dress ring, Containing 1 x illusion set central Diamond with decorative triangular cut out coronet and 4 x shoulder Diamonds,...

Vintage Transitional Cut 0.50ct Diamond 14k Yellow Gold Ring Size Q Val $5220

Vintage Transitional Cut 0.50ct Diamond 14k Yellow Gold Ring Size Q Val $5220

$1,749

Vintage Transitional Cut 0.50ct Diamond 14k Yellow Gold Ring Size Q Val $5220 Vintage 14ct yellow gold diamond solitaire ring containing one buttercup set diamond mounted onto a 9.1 to 2.4mm high dome band with hollowed shoulders. Finger size Q, Total...

A 2.17ct 14k Yellow Gold ladies Diamond Multi Cluster Ring U1/2 Val $4880

A 2.17ct 14k Yellow Gold ladies Diamond Multi Cluster Ring U1/2 Val $4880

$1,650

2.17ct 14k Yellow Gold ladies Diamond Multi Cluster Ring U1/2 Val $4880 One 14ct yellow gold multi cluster dress ring containing 31 claw set diamonds. The ring consists of a diamond set cluster centre piece separated by highly polished leaf shape...

1.02ct VVS1 GIA Intense Yellow & Pink Diamond 18ct Double Halo Ring Val $26650

1.02ct VVS1 GIA Intense Yellow & Pink Diamond 18ct Double Halo Ring Val $26650

$14,250

1.02ct VVS1 GIA Intense Yellow & Pink Diamond 18ct Double Halo Ring Val $26650 An Sublime ladies 18ct white gold 2.00cttw diamond set double halo ring. Containing 1 x centrally set oval cut 1.02ct fancy intense yellow VVS1 Diamond, Surrounding this...

Vintage 1.00 cttw Diamond Ladies 14ct Gold Cluster Ring Size Q Val $4390

Vintage 1.00 cttw Diamond Ladies 14ct Gold Cluster Ring Size Q Val $4390

$1,465

Vintage 1.00 cttw Diamond Ladies 14ct Gold Cluster Ring Size Q Val $4390 A vintage 14ct yellow gold Diamond cluster style dress ring, containing 15 x claw set Diamonds, mounted onto 3.20mm wide tapered band with a nugget satin finish. finger size Q. ...

Vintage 0.48ct Marquise Cut Diamond 14ct White Gold Ladies Ring sz P Val $5660

Vintage 0.48ct Marquise Cut Diamond 14ct White Gold Ladies Ring sz P Val $5660

$1,890

A Timeless 14ct white gold diamond solitaire ring, Containing 1 x raised white gold claw set 0.48ct marquise cut diamond mounted onto a 3.60 - 1.7mm wide band, channel set with 2 x diamonds either side and yellow gold feature stirrups. Finger size...

Vintage 0.22ct Marquise Cut Diamond 10ct White Gold Solitaire Ring Val $2190

Vintage 0.22ct Marquise Cut Diamond 10ct White Gold Solitaire Ring Val $2190

$790

A Timeless 10ct white gold diamond solitaire ring, Containing 1 x raised white gold claw set 0.22ct marquise cut diamond mounted onto a 1.8mm wide half round band. Finger size J, Total weight 1.70g. Total diamond weight 0.22ct...

A New 3.35 cttw Diamond 18ct White Gold Marquise Shape Ring M1/2 Val $15500

A New 3.35 cttw Diamond 18ct White Gold Marquise Shape Ring M1/2 Val $15500

$9,295

A new 3.35 cttw Diamond set 18ct white and pink gold marquise shape cocktail ring, Containing 19 round brilliant cut fancy coloured Diamonds, rose gold claw set in a marquise shape cluster with white gold outer surround, halo set with 48 round...

Vintage Antique Style 0.30ct Old Cut Diamond Two Tone 14ct Ring Sz S Val $2980

Vintage Antique Style 0.30ct Old Cut Diamond Two Tone 14ct Ring Sz S Val $2980

$995

A vintage Antique style 14ct white gold Diamond set solitaire ring, Containing 1 x grain set diamond with a yellow gold hexagonal shape surround, mounted onto a 12.50 - 2.80mm wide tapered band with engraved detailing and...

A 0.44ct Princess Cut Diamond 14ct White Gold Solitaire Ring Size L Val $3360

A 0.44ct Princess Cut Diamond 14ct White Gold Solitaire Ring Size L Val $3360

$1,149

One 14ct white gold diamond solitaire ring, containing 1 x raised four claw set princess cut diamond, mounted onto a 1.70mm wide half round band. Finger size L, Total weight 1.90g. Diamond 1 x Princess cut = 0.44ct, Colour: I, Clarity:...

Vintage 1.17ct Diamond 14ct Yellow Gold Marquise Shape Ring Size M Val $7350

Vintage 1.17ct Diamond 14ct Yellow Gold Marquise Shape Ring Size M Val $7350

$2,450

Vintage 1.17ct Diamond 14ct yellow gold marquise cocktail ring, Containing 3 x raised central diamonds, surrounded by 20 claw set diamonds with black enamel detailing, mounted onto a 1.70mm half round band. Finger size M, Total...

Vintage 0.88ct Pear Cut Diamond & Emerald 14ct Gold Ring size P1/2 Val $10820

Vintage 0.88ct Pear Cut Diamond & Emerald 14ct Gold Ring size P1/2 Val $10820

$3,650

A vintage 14ct yellow gold diamond & Emerald set ladies ring, Containing 1 x white gold claw set central Diamond, and 3 @ 2.00mm claw set emeralds either side, mounted onto a 3.50mm wide crossover band with grooved shoulders...

Antique Handmade 1.06ct Old Cut Diamond 14ct White Gold Ring size K1/2 V.$14660

Antique Handmade 1.06ct Old Cut Diamond 14ct White Gold Ring size K1/2 V.$14660

$7,350

A stunning handmade 14ct white gold diamond set ladies ring, C.1910, Containing 1 x four claw set central Diamond, surrounded by 3 x grain set diamonds either side, mounted onto a 1.80mm wide half round band. Finger size K1/2...

Antique Handmade 0.78ct Old & Single Cut Diamond 14ct Gold Ring N 1/2 Val $8570

Antique Handmade 0.78ct Old & Single Cut Diamond 14ct Gold Ring N 1/2 Val $8570

$4,350

A stunning and finely handmade 14ct white gold diamond set ladies ring, c.1920s, Containing 1 x square set central Diamond with a decorative saw pierced coronet, mounted onto a 1.50mm wide band with stirrup shoulders, grain set with 4 x...

Vintage 0.44ct Brilliant Cut Diamond 14ct White Gold Cluster Ring M Val $3760

Vintage 0.44ct Brilliant Cut Diamond 14ct White Gold Cluster Ring M Val $3760

$1,299

A vintage 14ct white gold diamond set ladies cocktail ring, Containing 7 x claw set Diamonds with a fluted outer surround, mounted onto a 1.80mm wide band. Finger size M. Total weight 4.20g. Total Brilliant Cut diamond...

Antique Handmade 0.35ct Old European Cut Diamond Set Platinum Ring Val $4460

Antique Handmade 0.35ct Old European Cut Diamond Set Platinum Ring Val $4460

$2,250

A stunning and finely handmade Platinum diamond set ladies dress ring, Early c.1900s, Featuring a square shape top setting, grain set with 7 x Diamonds, mounted onto a 1.50mm wide band with decorative pierced shoulders. Finger size...

Vintage 1.04cttw Marquise & Brilliant Cut Diamond 14k Gold Ring SizeL Val $5690

Vintage 1.04cttw Marquise & Brilliant Cut Diamond 14k Gold Ring SizeL Val $5690

$1,899

A vintage 14ct yellow gold ladies 1.04 cttw Diamond set ladies dress ring, Containing 1 x end set marquise diamond, 10 x channel set baguette diamonds and a further 6 x pave set diamonds either side, Mounted onto a 5.50 - 2.50mm wide half round band...

Vintage 0.66ct Princess Cut Diamond 14ct White Gold Ring P1/2 Val $5660

Vintage 0.66ct Princess Cut Diamond 14ct White Gold Ring P1/2 Val $5660

$1,899

A vintage ladies 14ct white gold princess cut diamond ring, Containing 1 end set princess cut 0.66ct diamond, mounted onto a 4.40 - 3.00 mm wide tapered band, channel set with 3 x diamonds either side. Size P1/2, Total weight 7.50g...

Handmade Platinum 1.17ct Marquise Cut Diamond & Emerald Ring Size M Val $24780

Handmade Platinum 1.17ct Marquise Cut Diamond & Emerald Ring Size M Val $24780

$12,500

A vintage handmade Platinum Diamond & Emerald set cocktail ring, Containing 1 x claw set central marquise shape diamond and 2 x claw set emeralds, surrounded by 30 x grain set diamonds. The ring features a central setting with wire basket &...

Vintage Handmade Old Cut 0.68 cttw Diamond 14ct White Gold Ring Q1/2 Val $5360

Vintage Handmade Old Cut 0.68 cttw Diamond 14ct White Gold Ring Q1/2 Val $5360

$2,690

A vintage/ antique handmade ladies 14ct white gold diamond ring, Containing 1 x square bead set central 0.50ct old cut diamond and 8 x grain set outer diamonds with engraved detailing, mounted onto a 1.60 mm wide half round band. Size Q...

Antique 18ct Gold Single Cut Diamond Set Ring Size K1/2 Val $2370

Antique 18ct Gold Single Cut Diamond Set Ring Size K1/2 Val $2370

$897

Antique 18ct white gold single cut diamond ring, Containing 1 x square grain set central diamond with pierced detailing, mounted onto a 0.08 - 0.05mm wide band. Finger size K1/2. Total weight 1.3g. Single cut diamond weight 1 = 0.04ct...

Antique 18ct Gold 0.16ct Old Cut Diamond Set Ring Size N Val $2880

Antique 18ct Gold 0.16ct Old Cut Diamond Set Ring Size N Val $2880

$949

Antique 18ct white gold old cut Diamond ring, Containing 1 x bead set central diamond with fine pieced detailing, mounted onto a 2.00mm wide tapered band with engraved shoulders. Finger size N. Total weight 2.30g. Old cut diamond weight 1 = 0.16ct...

Vintage Antique Style 18ct Gold Diamond Set Plaque Ring Size M 1/2 Val $2710

Vintage Antique Style 18ct Gold Diamond Set Plaque Ring Size M 1/2 Val $2710

$929

A vintage 18ct white gold brilliant cut Diamond antique style plaque ring, Containing 3 x grain set diamonds with fine pieced detailing, mounted onto a 1.70mm wide band with tapered shoulders. Finger size M 1/2. Total weight 1.70g. Old Cut...

Vintage Old Cut Diamond 18ct Gold Plaque Ring Size H Val $2960

Vintage Old Cut Diamond 18ct Gold Plaque Ring Size H Val $2960

$999

A vintage 18ct white gold old cut Diamond antique style plaque ring, Containing 5 x grain set central diamond with fine pieced detailing, mounted onto a 2.20mm wide engraved band. Finger size H. Total weight 3.60g. Old Cut diamond weight 5 = 0...

Vintage H VS Brilliant Cut Diamond 18ct Gold Ring Size N Val $2660

Vintage H VS Brilliant Cut Diamond 18ct Gold Ring Size N Val $2660

$949

A vintage 18ct white gold brilliant cut Diamond ring, Containing one bead set central diamond with fine pieced and engraved detailing, mounted onto a 1.80mm wide band with tapered shoulders. Finger size N. Total weight 2.40g. Brilliant Cut...

Vintage Old Cut Diamond 18ct White Gold Plaque Ring Size K Val $2690

Vintage Old Cut Diamond 18ct White Gold Plaque Ring Size K Val $2690

$949

A vintage 18ct white gold old cut Diamond antique style plaque ring, Containing 5 x grain set diamonds with pierced detailing, mounted onto a 1.80mm wide band with tapered shoulders and engraved detailing. Finger size K. Total weight 2.50g...

Vintage 0.20cttw Diamond & Sapphire 18ct Gold Plaque Ring Size N 1/2 Val $3420

Vintage 0.20cttw Diamond & Sapphire 18ct Gold Plaque Ring Size N 1/2 Val $3420

$1,199

A vintage 18ct white gold brilliant cut Diamond and synthetic sapphire plaque ring, Containing 3 x grain set central diamonds with pierced detailing and 4 @ 1.80mm bezel set blue sapphires, mounted onto a 1.60mm wide band with tapered shoulders and...

Vintage 0.10ct Old Cut Diamond Ladies 18K Gold Ring Size L Val $2400

Vintage 0.10ct Old Cut Diamond Ladies 18K Gold Ring Size L Val $2400

$899

A vintage 18ct white gold old cut Diamond solitaire ring, Containing one square bead set 0.10ct old cut diamond with pierced detailing, mounted onto a 2.00mm wide band with engraved detailing. Finger size L. Total weight 1.70g. Old Cut diamond...

Old Cut 0.75ct Solitare & 0.35ct Diamond 14ct White Gold Ring Size J Val $7980

Old Cut 0.75ct Solitare & 0.35ct Diamond 14ct White Gold Ring Size J Val $7980

$4,799

A ladies 14ct white gold diamond solitare ring, Containing 1 x four claw set 0.75ct old cut diamond mounted onto a 2.70 mm wide band with split crossover shoulders, claw set with 22 diamonds either side and feature side diamonds. Size...