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 0.38ct H Si Diamond Set 10ct White Gold Ladies Ring Size J.5 Val $2920

Vintage 0.38ct H Si Diamond Set 10ct White Gold Ladies Ring Size J.5 Val $2920

$995

Vintage 0.38ct H Si Diamond Set 10ct White Gold Ladies Ring Size J.5 Val $2920A vintage 10ct white gold ladies diamond set dress ring containing 9 x micro claw set brilliant cut diamonds, mounted onto a 1.7mm wide half round band with split shoulders...

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:...

Antique Sapphire & Diamond 18ct Yellow Gold London Bridge Ring Size M Val $1510

Antique Sapphire & Diamond 18ct Yellow Gold London Bridge Ring Size M Val $1510

$799

A C.1905 English hallmarked 18ct yellow gold Sapphire & diamond London bridge ring, containing five claw set gemstones, mounted onto a 3.8 to 2.1mm wide tapering high domed band with thickened scroll engraved shoulders. Finger...

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...

1.45 ct Cushion Cut Solitare Diamond 18ct Gold Ring Size K 1/2 Val $14895

1.45 ct Cushion Cut Solitare Diamond 18ct Gold Ring Size K 1/2 Val $14895

$8,950

A 1.45ct 18ct yellow gold ladies solitaire ring, containing 1 x four claw set central 1.45ct diamond with scroll detailing, mounted onto a 2.60mm wide half round band. Finger Size K1/2. Total weight 4.20 grams. Cushion Cut Diamond 1 = 1.45ct,...

Vintage 3.20 cttw Diamond Set 14K Yellow Gold Cocktail Ring Size O Val $18490

Vintage 3.20 cttw Diamond Set 14K Yellow Gold Cocktail Ring Size O Val $18490

$8,990

An ladies 14ct yellow gold 3.20cttw diamond set cocktail ring. Containing 1 x raised claw set central 2.00ct cognac Diamond, with fan shape shoulders containing 12 x claw set diamonds either side, mounted onto 2.50mm wide band with split...

Vintage 18ct White Gold 0.55ct Brilliant Cut Diamond Cocktail Ring L Val $3970

Vintage 18ct White Gold 0.55ct Brilliant Cut Diamond Cocktail Ring L Val $3970

$1,349

One vintage 18ct white gold diamond cocktail ring, Consisting of 1 x raised claw set diamond surrounded by 14 grain set outer diamonds, mounted onto 2.00mm wide half round band. Finger size M, Total weight 3.38g. Total diamond weight 0...

WOW 1.15ct Diamond Cluster 18K Tri Gold Cocktail Ring Size P1/2 Val $7850

WOW 1.15ct Diamond Cluster 18K Tri Gold Cocktail Ring Size P1/2 Val $7850

$2,625

One stunning 18ct tri coloured gold diamond cluster ladies cocktail ring, Featuring tristed rope detailing and 7 x oval shape discs, pave set with 115 diamonds, mounted onto 4.00mm wide tapered white gold band. Finger size P1/2, Total...

Vintage 0.69ct Brilliant Cut Diamond 9ct White Gold Ring Size N1/2 Val $3660

Vintage 0.69ct Brilliant Cut Diamond 9ct White Gold Ring Size N1/2 Val $3660

$1,249

A vintage ladies 9ct white gold offset diamond dress ring, containing 3 x raised claw set Diamonds and 14 x grain set wrap around Diamonds, mounted onto a 2.30mm wide band. Finger size N1/2, Total weight 5.00g. Total brilliant cut diamond...

A 14k Yellow Gold Diamond Set Contoured Ladies Ring Size M Val $1540 #2

A 14k Yellow Gold Diamond Set Contoured Ladies Ring Size M Val $1540 #2

$549

A well designed 14ct yellow gold diamond set contoured ring, containing 5 x claw set diamonds in a contoured setting, Mounted onto a 2.0-1.4mm wide tapering half round band. Finger size M, Total weight 2.00g. Total diamond weight 5 = 0.16ct...

A 14k Yellow Gold Diamond Set Contoured Ladies Ring Size M Val $1540

A 14k Yellow Gold Diamond Set Contoured Ladies Ring Size M Val $1540

$549

Priced to sell !!! Bought to Australia along with other artefacts after WW2 by a Polish family who owned a Jewellery store. They are unsigned and date to the early 1900s. 16.5cms high with bases being 6cms square. Minor wear but generally in very...

A 18k Yellow Gold Diamond Set Crossover Ladies Ring Size S Val $2980

A 18k Yellow Gold Diamond Set Crossover Ladies Ring Size S Val $2980

$995

A well designed 18ct yellow gold diamond set crossover ring, containing 3 x claw set diamonds, Mounted onto a 2.5mm wide band with 8 x channel set shoulder diamonds either side. Finger size S, Total weight 3.90g. Total diamond weight 19 = 0...

A 14k Yellow Gold Diamond Set Contoured Ladies Ring Size J Val $1830

A 14k Yellow Gold Diamond Set Contoured Ladies Ring Size J Val $1830

$649

A well designed 14ct yellow gold diamond set contoured ring, containing 12 x channel set diamonds to the angled and contoured setting, Mounted onto a 5.2-1.4mm wide tapering high domed band. Finger size J, Total weight 2.84g. Total diamond...

Vintage Heavy 14K Yellow Gold 0.79ct Diamond Set Dress Ring 10g Size S Val $4460

Vintage Heavy 14K Yellow Gold 0.79ct Diamond Set Dress Ring 10g Size S Val $4460

$1,499

A quality heavy 14k yellow gold Diamond set ladies dress ring with grooved side detailing, Containing 11 x pave set diamonds, mounted onto a 4.00mm wide band with tapered shoulders. Finger size S. Total weight 10.00g...