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 10k White Gold Diamond Set Contoured Wedding Ring Size N Val $2150

Vintage 10k White Gold Diamond Set Contoured Wedding Ring Size N Val $2150

$749

Vintage 10k White Gold Diamond Set Contoured Wedding Ring Size N Val $2150A vintage 10ct white gold diamond set contoured wedding ring, containing 16 x bead set diamonds with mille grain edging, mounted onto a 1.8mm wide half round band. Finger size N,...

Vintage 0.18ct H VS Diamond Illusion Set 18K Gold Ring Set sz N1/2 Val $4150

Vintage 0.18ct H VS Diamond Illusion Set 18K Gold Ring Set sz N1/2 Val $4150

$1,395

Vintage 0.18ct H VS Diamond Illusion Set 18K Gold Ring Set sz N1/2 Val $4150A vintage 18ct yellow gold and palladium Diamond set ring, Containing 9 x illusion set Diamonds, mounted onto a 2.00mm half round yellow gold band with leaf shape shoulders,...

0.34ct Brilliant Cut Diamond 14ct Yellow Gold Men’s Ring Size Q Val $4880.

0.34ct Brilliant Cut Diamond 14ct Yellow Gold Men’s Ring Size Q Val $4880.

$1,650

0.34ct Brilliant Cut Diamond 14ct Yellow Gold Men's Ring Size Q Val $4880 A 14ct yellow gold diamond men's solitaire diamond ring, signed Namastre, Containing 1 x bezel set central diamond, mounted onto a 8.00 - 3.10mm wide square profile band...

An Impressive 2.03ctt Diamond Set 14K White Gold Ring Size R1/2 Val $10560

An Impressive 2.03ctt Diamond Set 14K White Gold Ring Size R1/2 Val $10560

$3,525

An Impressive 2.03ctt Diamond Set 14K White Gold Ring Size R1/2 Val $10560 An impressive 14ct white gold Diamond dress ring, Containing 9 x invisible set princess cut Diamonds, mounted onto a 8.5-1.8mm wide tapered band containing 24 x channel set...

0.52ct Brilliant Cut Diamond Set 14k Yellow Gold Cluster Ring Size N Val $3650

0.52ct Brilliant Cut Diamond Set 14k Yellow Gold Cluster Ring Size N Val $3650

$1,250

0.52ct Brilliant Cut Diamond Set 14k Yellow Gold Cluster Ring Size N Val $3650 A vintage 14ct yellow gold Diamond set cluster ring, Containing 15 x claw set Diamonds, mounted onto a 2.50mm wide crossover band with 5 x bead set shoulder Diamonds either...

Vintage 14k Yellow Gold 0.53ct Diamond Forever Dress Ring Size R1/2 Val $4075

Vintage 14k Yellow Gold 0.53ct Diamond Forever Dress Ring Size R1/2 Val $4075

$1,359

Vintage 14k Yellow Gold 0.53ct Diamond Forever Dress Ring Size R1/2 Val $4075 A 14k yellow gold diamond dress ring containing 23 x micro claw set diamonds and 16 x channel set tapered baguette Diamonds, mounted onto a 7.00 - 2.00mm wide tapered band...

1.20ct Marquise Shape Diamond 14ct White Gold Ring Size O Val $9965

1.20ct Marquise Shape Diamond 14ct White Gold Ring Size O Val $9965

$4,980

1.20ct Marquise Shape Diamond 14ct White Gold Ring Size O Val $9965 A ladies 14ct white gold diamond ring, Containing 1 x claw set 1.20ct marquise shape diamond, mounted onto a 3.00 - 2.00 mm wide band. Size O, Total weight 4.20g. Marquise cut diamond...

0.55ct Channel Set Diamond 14k White Gold Ladies Ring Size J1/2 Val $3260

0.55ct Channel Set Diamond 14k White Gold Ladies Ring Size J1/2 Val $3260

$1,095

0.55ct Channel Set Diamond 14k White Gold Ladies Ring Size J1/2 Val $3260 A 14ct white gold channel set diamond ladies ring, Containing 11 x channel set Diamonds mounted onto a 3.70mm wide band, Finger size J1/2. Total weight 3.40g. Total diamond...

Vintage 0.20ct Diamond Set 9k White Gold Contoured Band Ring Size Q Val $2370

Vintage 0.20ct Diamond Set 9k White Gold Contoured Band Ring Size Q Val $2370

$850

Vintage 0.20ct Diamond Set 9k White Gold Contoured Band Ring Size Q Val $2370 A 9ct white gold diamond set contoured ring, Containing 20 x bead set Diamonds mounted onto a 1.80mm wide band, Finger size Q. Total weight 2.60g. Total diamond weight 0.20ct...

Vintage 0.30cttw G Vs Diamond Set 14K White Gold Band / Ring Size V Val $2620

Vintage 0.30cttw G Vs Diamond Set 14K White Gold Band / Ring Size V Val $2620

$899

Vintage 0.30cttw G Vs Diamond Set 14K White Gold Band / Ring Size V Val $2620A vintage 0.30cttw Diamond 14ct white gold band / ring, Containing 30 x grain set Diamonds, mounted onto a 2.00mm wide band with engraved detailed sides, one side slightly worn...

Vintage 1.98cttw G Vs Diamond Halo 14K White Gold Ring Size U1/2 Val $9975

Vintage 1.98cttw G Vs Diamond Halo 14K White Gold Ring Size U1/2 Val $9975

$3,399

Vintage 1.98cttw G Vs Diamond Halo 14K White Gold Ring Size U1/2 Val $9975 A vintage 1.98cttw Diamond halo 14ct white gold ring, Containing 1 x four claw set central Diamond surrounded by 40 x grain set Diamonds, mounted onto a 2.10mm wide band grain...

Vintage 0.48cttw G Si Diamond Cluster 14k Gold Band / Ring Size K Val $3280

Vintage 0.48cttw G Si Diamond Cluster 14k Gold Band / Ring Size K Val $3280

$1,099

Vintage 0.48cttw G Si Diamond Cluster 14k Gold Band / Ring Size K Val $3280 A vintage 14ct yellow gold Diamond cluster band / ring, Containing 12 x claw set brilliant Diamonds and 6 x channel set baguette Diamonds, mounted onto a 2.8mm to 1.8mm wide...

Vintage 0.48ct G Vs Diamond Cluster Set 14k Yellow Gold Ring Size I Val $4150

Vintage 0.48ct G Vs Diamond Cluster Set 14k Yellow Gold Ring Size I Val $4150

$1,395

Vintage 0.48ct G Vs Diamond Cluster Set 14k Yellow Gold Ring Size I Val $4150 A vintage 14ct yellow gold ladies Diamond cluster ring, Containing 7 x claw set diamonds and 8 x claw set baguette Diamonds, Mounted onto a 3.00mm wide off set band with...

Vintage 1.55ct Diamond Ballerina Set 14k Yellow Gold Ring Size K1/2 Val $6880

Vintage 1.55ct Diamond Ballerina Set 14k Yellow Gold Ring Size K1/2 Val $6880

$2,295

Vintage 1.55ct Diamond Ballerina Set 14k Yellow Gold Ring Size K1/2 Val $6880 A vintage 14ct yellow gold ladies ballerina style Diamond cluster ring, Containing 1 x claw set marquise shape diamond, Surrounded by 26 x brilliant cut Diamonds and 36 x...

Vintage 14k White Gold 1.08ct Diamond Set Dress Ring Size N Val $6390

Vintage 14k White Gold 1.08ct Diamond Set Dress Ring Size N Val $6390

$2,130

Vintage 14k White Gold 1.08ct Diamond Set Dress Ring Size N Val $6390 A vintage 14k white gold diamond dress ring, Containing 5 x semi central diamonds, Framed by 33 x micro claw set Diamonds either side, mounted onto a 7.5mm to 3.8mm wide tapered half...

0.47ct Brilliant Cut Diamond Trilogy 14K Yellow Gold Ring Size I1/2 Val $3440

0.47ct Brilliant Cut Diamond Trilogy 14K Yellow Gold Ring Size I1/2 Val $3440

$1,150

0.47ct Brilliant Cut Diamond Trilogy 14K Yellow Gold Ring Size I1/2 Val $3440 A ladies 14K yellow & white gold diamond trilogy ring, Containing 3 x claw set diamonds, mounted onto a 2.30mm wide half round band. Finger size I1/2, Total weight 3.73g...

0.18cttw Diamond Contoured 14k White Gold Band / Ring Size L.5 Val $2660

0.18cttw Diamond Contoured 14k White Gold Band / Ring Size L.5 Val $2660

$895

0.18cttw Diamond Contoured 14k White Gold Band / Ring Size L.5 Val $2660 A vintage 14ct white gold contoured Diamond band / ring, Containing 12 x bead set Diamonds, mounted onto a 1.7mm wide white gold half round band. Finger size L1/2. Total weight 1...

Vintage 2.02ct F Si Diamond Cluster Ladies 14k White Gold Ring Size H Val $12750

Vintage 2.02ct F Si Diamond Cluster Ladies 14k White Gold Ring Size H Val $12750

$4,250

Vintage 2.02ct F Si Diamond Cluster Ladies 14k White Gold Ring Size H Val $12750 A vintage 14ct white gold Diamond cluster ring, Featuring 1 x raised princess cut Diamond with 52 micro claw set Diamonds and a further 2 joined contoured bands containing...

0.20cttw Diamond Contoured 14k White Gold Band / Ring Size N Val $2355

0.20cttw Diamond Contoured 14k White Gold Band / Ring Size N Val $2355

$795

0.20cttw Diamond Contoured 14k White Gold Band / Ring Size N Val $2355A vintage 14ct white gold contoured Diamond band / ring, Containing 13 x bead set Diamonds, mounted onto a 1.7mm wide white gold half round band. Finger size N. Total weight 2.70g...

0.72cttw Diamond Cluster 14k Gold Band / Ring Size R Val $5090

0.72cttw Diamond Cluster 14k Gold Band / Ring Size R Val $5090

$1,699

0.72cttw Diamond Cluster 14k Gold Band / Ring Size R Val $5090A vintage 14ct yellow gold Diamond cluster band / ring, Containing 16 x central Diamonds framed by 16 x bead set Diamonds either side, mounted onto a 7.3mm to 5.5mm wide yellow gold band...

1.39cttw Diamond Cluster 14k White Gold Band / Ring Size N Val $5260

1.39cttw Diamond Cluster 14k White Gold Band / Ring Size N Val $5260

$1,795

1.39cttw Diamond Cluster 14k Gold Band / Ring Size N Val $5260A vintage 14ct white gold Diamond cluster band / ring, Containing 10 x channel set central Diamonds framed by 13 x Diamonds either side, mounted onto a 5.9mm to 2.7mm wide white gold band...

1.00ct F SI2 & Princess Cut Diamond Set 18k Yellow Gold Ring Size K.5 Val$16800

1.00ct F SI2 & Princess Cut Diamond Set 18k Yellow Gold Ring Size K.5 Val$16800

$8,400

1.00ct F SI2 & Princess Cut Diamond Set 18k Yellow Gold Ring Size K.5 Val$16800 A vintage 18ct yellow gold diamond ring, Containing 1 x raised white gold claw set Diamond, mounted onto a 3.8 to 1.8mm wide band. Finger size K1/2, Total weight 4.60g...

Vintage Three Diamond 14k White Gold Ring Size O1/2 Val $3150

Vintage Three Diamond 14k White Gold Ring Size O1/2 Val $3150

$1,865

Vintage Three Diamond 14k White Gold Ring Size O1/2 Val $3150 Vintage 14ct white gold three brilliant cut diamond set antique style ring. Containing 3 x bead set diamonds surrounded with intricately pierced detailing, mounted onto a 1.5mm wide half...

3.00ct Cognac Diamond Set 14K Yellow Gold Cocktail Ring Sz N Val $7730

3.00ct Cognac Diamond Set 14K Yellow Gold Cocktail Ring Sz N Val $7730

$2,579

3.00ct Cognac Diamond Set 14K Yellow Gold Cocktail Ring Sz N Val $7730 A vintage 14ct yellow gold diamond cluster cocktail ring, Featuring a raised cluster central section, claw set with 38 x brillant cut Diamonds, mounted onto 5.00 - 2.00mm wide...

Vintage Seven End Set Cognac Diamonds 10K Gold Ring Size L Val $2930

Vintage Seven End Set Cognac Diamonds 10K Gold Ring Size L Val $2930

$995

Vintage Seven End Set Cognac Diamonds 10K Gold Ring Size L Val $2930 A vintage 10ct yellow gold Diamond set ring, Containing 7 x end set Diamonds with scalloped edging, mounted onto a 1.80mm wide band. Finger Size L. Total weight 1.80 grams. Brilliant...

Handmade 1.40ct I Si Diamond Set Ladies 18K Gold Ring Size J Val $7925

Handmade 1.40ct I Si Diamond Set Ladies 18K Gold Ring Size J Val $7925

$2,655

Handmade 1.40ct I Si Diamond Set Ladies 18K Gold Ring Size J Val $7925 A vintage ladies handmade 18ct gold Diamond set dress ring, Containing 16 x raised claw set Diamonds, mounted onto a 2.40mm wide band with an inter locking textured gold feature...

Vintage 1.29ct Diamond Ladies 14k Gold Cluster Ring Size L1/2 Val $6970

Vintage 1.29ct Diamond Ladies 14k Gold Cluster Ring Size L1/2 Val $6970

$2,325

Vintage 1.29ct Diamond Ladies 14k Gold Cluster Ring Size L1/2 Val $6970 A vintage 14ct yellow gold Diamond cluster ring, Featuring 1 x raised six claw set Diamond surrounded by 18 x claw set Diamonds, with fitted contoured bands either side, set with 22...

Vintage 0.40ct Diamond Set 14k Gold Cluster Pinky Ring Size N1/2 Val $3325

Vintage 0.40ct Diamond Set 14k Gold Cluster Pinky Ring Size N1/2 Val $3325

$1,125

Vintage 0.40ct Diamond Set 14k Gold Cluster Pinky Ring Size N1/2 Val $3325 A vintage 14ct yellow gold Diamond cluster pinky ring, Featuring a cluster style central section containing 7 x Diamonds surrounded by 22 micro claw set Diamonds, mounted onto 1...

Vintage 18K Gold 0.84ct F-G Si Diamond Dress Ring sz N Val $3650

Vintage 18K Gold 0.84ct F-G Si Diamond Dress Ring sz N Val $3650

$1,255

Vintage 18K Gold 0.84ct F-G Si Diamond Dress Ring sz N Val $3650 A vintage 18ct yellow gold Diamond set dress ring, Containing 28 x channel set Diamonds, mounted onto a 5.50 - 2.80mm wide half round band. Finger size N, Total weight 3.70g. Brilliant...

Vintage 14K Yellow Gold 2.90ct H Diamond Cocktail Ring sz M Val $8600

Vintage 14K Yellow Gold 2.90ct H Diamond Cocktail Ring sz M Val $8600

$2,875

Vintage 14K Yellow Gold 2.90ct H Diamond Cocktail Ring sz M Val $8600 A vintage 14ct yellow gold Diamond set marquise shape cocktail ring, Containing 116 x claw set Diamonds, with a raised wire basket, mounted onto a 3.00mm wide band with split...

Vintage Solid Opal & Brilliant Cut Diamond 14K Gold Ring Size L1/2 Val $4720

Vintage Solid Opal & Brilliant Cut Diamond 14K Gold Ring Size L1/2 Val $4720

$1,795

Vintage Solid Opal & Brilliant Cut Diamond 14K Gold Ring Size L1/2 Val $4720 A vintage 14K yellow gold Opal & diamond orangic style dress ring, Containing 1 @ 17.60 x 14.20mm solid white base Opal with distant play of colour and khaki potch...

Vintage 0.27cttw Diamond Set 14k Gold Ring Size R1/2 Val $3190

Vintage 0.27cttw Diamond Set 14k Gold Ring Size R1/2 Val $3190

$1,070

Vintage 0.27cttw Diamond Set 14k Gold Ring Size R1/2 Val $3190 A vintage 14ct yellow gold diamond dress ring, Containg 3 x channel set diamonds in an offset central grooved sections, mounted onto a 6.50 - 2.80mm wide band. Finger size R1/2, Total...

Vintage 0.83 cttw Set Diamond 14ct Yellow Gold Pinky Ring Size H1/2 Val $7160

Vintage 0.83 cttw Set Diamond 14ct Yellow Gold Pinky Ring Size H1/2 Val $7160

$1,275

Vintage 0.83 cttw Set Diamond 14ct Yellow Gold Pinky Ring Size H1/2 Val $7160 A vintage 0.83cttw Diamond set 14ct yellow gold ladies five stone ring, Featuring 5 x semi set Diamonds, mounted onto a 3.20-2.10mm wide half round band. Finger size: H1/2,...

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...