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.

Exquisite 1.00ct G Si1 Oval GIA Diamond 18k White Gold Ring sz M Val $15120

Exquisite 1.00ct G Si1 Oval GIA Diamond 18k White Gold Ring sz M Val $15120

$4,999

Exquisite 1.00ct G Si1 Oval GIA Diamond 18k White Gold Ring sz M Val $15120 An incredible ladies 18ct white gold 1.75cttw diamond set halo ring. Containing 1 x centrally set oval brilliant cut 1.00ct G Si1 GIA Diamond, Surrounding this are 18 x micro...

1.28cttw Princess & Brilliant Cut Diamond 18k White Gold Ring Size N Val $8870

1.28cttw Princess & Brilliant Cut Diamond 18k White Gold Ring Size N Val $8870

$2,999

1.28cttw Princess & Brilliant Cut Diamond 18k White Gold Ring Size N Val $8870 A ladies 18ct white gold Diamond ring, Containing 1 x north south east west bezel set central Princess cut Diamond, with 30 x pave set diamonds amoungst the shoulders,...

Vintage 14k White Gold Diamond Eternity Ring Size I Val $2960

Vintage 14k White Gold Diamond Eternity Ring Size I Val $2960

$995

Vintage 14k White Gold Diamond Eternity Ring Size I Val $2960A vintage 14ct white gold diamond eternity ring, containing 6 x claw set diamonds, mounted onto a 1.9mm wide half round band. Finger size I, Total weight 2.10g.Total diamond weight 6 = 0.18ct...

Vintage 0.50ct H Si Diamond Channel Set 14k White Gold Band Size S Val $2770

Vintage 0.50ct H Si Diamond Channel Set 14k White Gold Band Size S Val $2770

$929

Vintage 0.50ct H Si Diamond Channel Set 14k White Gold Band Size S Val $2770A vintage 14ct white gold Diamond channel set band / ring, Containing 10 x channel set brilliant cut Diamonds, mounted onto a 3.00 - 1.60mm wide white gold band.Finger size S...

Vintage 14k White Gold Diamonds All The way Around Dress Ring Size O Val $3310

Vintage 14k White Gold Diamonds All The way Around Dress Ring Size O Val $3310

$1,110

Vintage 14k White Gold Diamonds All The way Around Dress Ring Size O Val $3310A vintage 14ct white gold diamonds all the way around dress ring containing 45 x bead set single cut diamonds, mounted onto a 2.3mm band. Finger size O, Total weight 1.70g...

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...

Vintage 0.42cttw I Si Diamond Micro Claw Set 14k Gold Band Size N Val $2595

Vintage 0.42cttw I Si Diamond Micro Claw Set 14k Gold Band Size N Val $2595

$899

Vintage 0.42cttw I Si Diamond Micro Claw Set 14k Gold Band Size N Val $2595 A vintage 14ct yellow gold Diamond band / ring, Containing 21 x micro claw set brilliant Diamonds, mounted onto a 2.2mm wide yellow gold band. Finger size N. Total weight 2.40g...

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...

2.33ct D VS2 Brilliant Cut Diamond Handmade Platinum Ring sz J Val $81100 Cert

2.33ct D VS2 Brilliant Cut Diamond Handmade Platinum Ring sz J Val $81100 Cert

$40,600

2.33ct D VS2 Brilliant Cut Diamond Handmade Platinum Ring sz J Val $81100 CertAn incredible vintage handmade platinum diamond solitare ring, containing one six claw set 2.33ct brilliant cut D VS2 diamond with solid swept up shoulders, mounted onto a 2...

Vintage 1.08cttw Diamond 14k Yellow Gold Cluster Dress Ring Size N Val $4630.

Vintage 1.08cttw Diamond 14k Yellow Gold Cluster Dress Ring Size N Val $4630.

$1,555

Vintage 1.08cttw Diamond 14k Yellow Gold Cluster Dress Ring Size N Val $4630 A vintage 14ct yellow gold 1.08ct Diamond cluster dress ring, Containing 4 x princess cut diamonds, 14 x baguette diamonds and 4 x brilliant cut diamonds diamonds, mounted onto...

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...

Cerrone 0.52cttw F Si Diamond Set 18K White Gold Band / Ring Size J Val $4850

Cerrone 0.52cttw F Si Diamond Set 18K White Gold Band / Ring Size J Val $4850

$1,699

Cerrone 0.52cttw F Si Diamond Set 18K White Gold Band / Ring Size J Val $4850Auth. Cerrone 0.52cttw Diamond set 18ct white gold band / ring, Containing 104 x pave set Diamonds, mounted onto a 2.80mm wide half round band, one side unset so it can be 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 Cognac Diamond Cluster Set 14k Yellow Gold Ring Size S Val $6080

Vintage 1.55ct Cognac Diamond Cluster Set 14k Yellow Gold Ring Size S Val $6080

$2,050

Vintage 1.55ct Cognac Diamond Cluster Set 14k Yellow Gold Ring Size S Val $6080 A vintage 14ct yellow & white gold ladies Diamond marquise shape cluster ring, Containing 29 x claw set diamonds, with raised wire settings, Mounted onto a 2.50mm wide...

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...

Antique 1930s Old Cut 1.55 cttw Diamond Platinum Plaque Ring Size L Val $10805

Antique 1930s Old Cut 1.55 cttw Diamond Platinum Plaque Ring Size L Val $10805

$5,495

Antique 1930s Old Cut 1.55 cttw Diamond Platinum Plaque Ring Size L Val $10805 A finley made 1930s Art deco platinum plaque diamond ladies ring, Containing 2 x bezel set central diamonds and 20 x grain set diamonds with saw pierced detailing, mounted...

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...

14k Yellow Gold 0.30ct Channel Set Diamond Ring Band Sz P Val $1800

14k Yellow Gold 0.30ct Channel Set Diamond Ring Band Sz P Val $1800

$649

14k Yellow Gold 0.30ct Channel Set Diamond Ring Band Sz P Val $1800 A 14k yellow gold diamond channel set ring, Containing 10 x channel set diamonds, mounted onto a 5.60mm to 2.70mm wide half round band. Finger size P. Total weight 4.70g. Diamonds 10 =...

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...

0.60ct Princess Cut Diamond Channel Set 14k Gold Ring Size M1/2 Val $3445

0.60ct Princess Cut Diamond Channel Set 14k Gold Ring Size M1/2 Val $3445

$1,150

0.60ct Princess Cut Diamond Channel Set 14k Gold Ring Size M1/2 Val $3445 A vintage 14ct yellow gold channel set Diamond ring, Containing 11 x channel set princess cut diamonds, mounted onto a 3.6mm to 1.9mm wide yellow gold band. Finger size M1/2...