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 .68ct Oval & 0.91ct Tapered Baguette Diamond 14K Gold Ring Val $8440

Vintage .68ct Oval & 0.91ct Tapered Baguette Diamond 14K Gold Ring Val $8440

$2,825

Vintage .68ct Oval & 0.91ct Tapered Baguette Diamond 14K Gold Ring Val $8440A vintage ladies 14k yellow & white gold diamond cocktail ring, Containing 1 x raised white claw set central .68ct oval cut Diamond, mounted onto a 5.40mm - 2.60mm wide half...

Vintage 1.02cttw Marquise Diamond Set Platinum Ring Sz L Val $7500

Vintage 1.02cttw Marquise Diamond Set Platinum Ring Sz L Val $7500

$2,500

Vintage 1.02cttw Marquise Diamond Set Platinum Ring Sz L Val $7500A vintage ladies platinum diamond contoiured eternity style ring, Containing 7 x end set marquise shape Diamonds with raised wire settings, mounted onto a 2.50mm wide half round band...

Vintage 1.00ct Diamond Set Platinum Eternity Ring Size M1/2 Val $3770

Vintage 1.00ct Diamond Set Platinum Eternity Ring Size M1/2 Val $3770

$1,299

Vintage 1.00ct Diamond Set Platinum Eternity Ring Size M1/2 Val $3770A vintage platinum, 1.00cttw Diamond set ladies ring. Containing 11 x grain set Diamonds, mounted onto a 3.60 - 2.00mm wide band. Finger size M1/2, Total weight 2.65g.Total brilliant...

Vintage 2.17cttw Diamond Set 14K White Gold Ring Size Q Val $9365

Vintage 2.17cttw Diamond Set 14K White Gold Ring Size Q Val $9365

$3,125

Vintage 2.17cttw Diamond Set 14K White Gold Ring Size Q Val $9365 A vintage 14ct white gold diamond set ring, Containing 3 x raised claw set central Diamonds, mounted into 3.20mm wide tapered offset band containing 14 x channel set tapered baguette...

Vintage 2.16cttw Brilliant Cut Set 14K White Gold Ring Size O1/2 Val $7095

Vintage 2.16cttw Brilliant Cut Set 14K White Gold Ring Size O1/2 Val $7095

$2,365

Vintage 2.16cttw Brilliant Cut Set 14K White Gold Ring Size O1/2 Val $7095A 14ct white gold diamond ring, Containing 5 x raised claw set central Diamonds framed by 7 x claw set Diamonds either side, mounted into 2.10mm wide band with split shoulders,...

Vintage 0.72ct Brilliant Cut H Vs 14K White Gold Ladies Ring Size L Val $9640

Vintage 0.72ct Brilliant Cut H Vs 14K White Gold Ladies Ring Size L Val $9640

$3,250

Vintage 0.72ct Brilliant Cut H Vs 14K White Gold Ladies Ring Size L Val $9640A vintage 14ct white gold diamond ring, Containing 2 x four claw set Diamonds and 7 x grain set diamonds mounted into 1.70mm wide half round band, with an attached 1.70mm...

Vintage 1.00ct Princess Cut Set 14K White Gold Ladies Ring Size L1/2 Val $4985

Vintage 1.00ct Princess Cut Set 14K White Gold Ladies Ring Size L1/2 Val $4985

$1,665

Vintage 1.00ct Princess Cut Set 14K White Gold Ladies Ring Size L1/2 Val $4985A 14ct white gold diamond ring, Containing 10 x channel set diamonds mounted into 4.50 - 2.00mm tapered band, Total weight 3.00 grams. Finger size L1/2.Princess Cut Diamonds 10...

Vintage 0.72ct Marquise Cut Diamond 14k White Gold Solitare Ring P1/2 Val $4950

Vintage 0.72ct Marquise Cut Diamond 14k White Gold Solitare Ring P1/2 Val $4950

$1,650

Vintage 0.72ct Marquise Cut Diamond 14k White Gold Solitare Ring P1/2 Val $4950A Timeless 14ct white gold diamond solitare ring, Containing 1 x six white gold claw set 0.72ct Marquise Cut diamond mounted onto a 1.3mm wide half round band. finger size...

1.56ct G Vs Diamond Set 18k White Gold Ladies Band Ring Size N 1/2 Val $8320

1.56ct G Vs Diamond Set 18k White Gold Ladies Band Ring Size N 1/2 Val $8320

$2,799

1.56ct G Vs Diamond Set 18k White Gold Ladies Band Ring Size N 1/2 Val $8320A well made 18k white gold ladies diamond dress ring, Containing 5 x channel set Princess cut Diamonds and 4 x channel set Baguette Diamonds, mounted onto a 4.70mm wide band...

Vintage 0.40ct Brilliant Cut Diamond 14k Yellow Gold Solitare Ring N Val $3270

Vintage 0.40ct Brilliant Cut Diamond 14k Yellow Gold Solitare Ring N Val $3270

$1,095

Vintage 0.40ct Brilliant Cut Diamond 14k Yellow Gold Solitare Ring N Val $3270A vintage 14ct yellow gold diamond solitare ring, Containing 1 x raised four claw set 0.40ct brilliant Cut diamond mounted onto a 2.70 - 2.00mm wide half round band. finger...

GIA Cert 1.32ct Diamond J SI Platinum Solitare Ring sz L Val $13470

GIA Cert 1.32ct Diamond J SI Platinum Solitare Ring sz L Val $13470

$6,750

GIA Cert 1.32ct Diamond J SI Platinum Solitare Ring sz L Val $13470A vintage platinum diamond set solitare ring, Containing 1 x four claw set 1.32ct J Si1 GIA cert cushion modified brilliant cut diamond mounted onto a 2.2mm wide half round band featuring...

Vintage 2.27cttw Brilliant Cut Diamond 18k Yellow Gold Ring O Val $15870

Vintage 2.27cttw Brilliant Cut Diamond 18k Yellow Gold Ring O Val $15870

$5,495

Vintage 2.27cttw Brilliant Cut Diamond 18k Yellow Gold Ring O Val $15870A vintage 18ct yellow gold diamond ring, Containing 1 x four claw set 0.91ct brilliant cut diamond mounted onto a 3.20mm wide band featuring 2 x channel set baguette shoulder...

Vintage Handmade 1.40ct H Si Old Cut Diamond Platinum Ring Size J1/2 Val $18790

Vintage Handmade 1.40ct H Si Old Cut Diamond Platinum Ring Size J1/2 Val $18790

$9,399

Vintage Handmade 1.40ct H Si Old Cut Diamond Platinum Ring Size J1/2 Val $18790A vintage handmade platinum old cut Diamond solitaire ring, Containing one four claw set 1.25ct transitional cut Diamond, mounted onto a 1.80mm wide half round band with...

Vintage 2.21cttw Old / Single Cut Diamond Platinum Tiara Ring Size P Val $14475

Vintage 2.21cttw Old / Single Cut Diamond Platinum Tiara Ring Size P Val $14475

$7,250

Vintage 2.21cttw Old / Single Cut Diamond Platinum Tiara Ring Size P Val $14475A vintage handmade platinum old cut and single cut Diamond tiara ring, Containing 3 x four claw set Diamonds, 3 x bezel set Diamonds and 36 grain set Diamonds, mounted onto a...

Handmade Art Deco 0.90cttw Diamond & Sapphire Platinum Ring Sz J Val $7550

Handmade Art Deco 0.90cttw Diamond & Sapphire Platinum Ring Sz J Val $7550

$3,799

Handmade Art Deco 0.90cttw Diamond & Sapphire Platinum Ring Sz J Val $7550A stunning Handmade Art Deco platinum Diamond & Sapphire ladies cocktail ring, Containing one bead set central 0.50ct old cut diamond with a hexagonal setting surrounded by 6 x...

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...

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 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 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...

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...