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 18K Gold 1.44ct Baguette & Brilliant Cut G Vs Diamonds Ring Val $8780

Vintage 18K Gold 1.44ct Baguette & Brilliant Cut G Vs Diamonds Ring Val $8780

$3,499

Vintage 18K Gold 1.44ct Baguette & Brilliant Cut G Vs Diamonds Ring Val $8780 A bold luxurious statement piece, 18ct white gold Diamond dress ring, Containing 24 x baguette Diamonds framed by 32 micro - claw set brilliant cut Diamonds, mounted into...

A Platinum & 0.50ct VS Diamond Set Ladies Band / Ring Size M Val $2030

A Platinum & 0.50ct VS Diamond Set Ladies Band / Ring Size M Val $2030

$795

A Platinum & 0.50ct VS Diamond Set Ladies Band / Ring Size M Val $2030 A vintage platinum and diamond set ladies ring, containing 13 x grain set Diamonds, mounted onto 2.50 - 1.50mm wide half round band. Finger size M, Total weight 1.81g. Total...

Vintage 0.30ct G VS Princess Cut Diamond 18k Gold Ring Size K Val $4305

Vintage 0.30ct G VS Princess Cut Diamond 18k Gold Ring Size K Val $4305

$1,435

Vintage 0.30ct G VS Princess Cut Diamond 18k Gold Ring Size K Val $4305 A vintage 18ct yellow old 0.30ct princess cut diamond ring. Containing 1 x white gold end set Diamond, Mounted onto 3.30 - 1.50mm wide band. Finger Size K. Total weight 3.71 grams...

A Platinum & 0.81ct H VS Diamond Set Ladies Band / Ring Size O Val $6150

A Platinum & 0.81ct H VS Diamond Set Ladies Band / Ring Size O Val $6150

$2,100

A Platinum & 0.81ct H VS Diamond Set Ladies Band / Ring Size O Val $6150 One platinum and diamond set eternity style ring, containing 9 x claw set Diamonds, mounted onto 2.20mm wide half round band. Finger size O, Total weight 4.01g. Total diamond...

1.88ct Marquise Cut Diamond 10K Seven Stone Ring Size O Val $7920

1.88ct Marquise Cut Diamond 10K Seven Stone Ring Size O Val $7920

$2,650

1.88ct Marquise Cut Diamond 10K Seven Stone Ring Size O Val $7920 A vintage ladies 10K yellow gold seven marquise cut Diamond ring, Containing 7 x end set settings, mounted on a flat yellow gold band. Finger size O, Total weight 4.60g. Total diamond...

Vintage 0.27ct Diamond Set 10k White Gold Band Ring Size R1/2 Val $1960

Vintage 0.27ct Diamond Set 10k White Gold Band Ring Size R1/2 Val $1960

$799

Vintage 0.27ct Diamond Set 10k White Gold Band Ring Size R1/2 Val $1960One hallmarked 10ct white gold ring containing 10 x bead set Diamonds in marquise shape settings, alternating with 4 x bezel set Diamondswith mille grain edging, mounted onto 1.50mm...

Vintage 0.74ct Princess Baguette Diamond 18K W/Gold Band Ring Size N Val $4510

Vintage 0.74ct Princess Baguette Diamond 18K W/Gold Band Ring Size N Val $4510

$1,595

Vintage 0.74ct Princess Baguette Diamond 18K W/Gold Band Ring Size N Val $4510A Vintage hallmarked 14ct white gold ring containing 7 x princess cut Diamonds alternating with 6 x baguette Diamonds, mounted into 3.00 - 1.50mm wide band. Finger size:...

Antique 0.28ct Diamond Set 18K White Gold & Pladium Band Ring Size M.5 Val $2655

Antique 0.28ct Diamond Set 18K White Gold & Pladium Band Ring Size M.5 Val $2655

$1,325

Antique 0.28ct Diamond Set 18K White Gold & Pladium Band Ring Size M.5 Val $2655Antique 18ct white gold & pladium eternity style ring, Containing 7 x claw setDiamonds mounted into 2.50mm wide half round bandFinger size: M ½Single Cut Diamonds: 7 @ 2.20mm...

Vintage 0.07ct Diamond Set 9ct White Gold Band Ring Size N Val $1505

Vintage 0.07ct Diamond Set 9ct White Gold Band Ring Size N Val $1505

$699

Vintage 0.07ct Diamond Set 9ct White Gold Band Ring Size N Val $1505One hallmarked 9ct white gold ring containing 5 x hammer set Diamonds mounted into 2.90 - 2.40mm wide half round band. Finger size: NModern Brilliant Cut Diamonds: 5 @ 1.50mm = 0.07ct...

Antique 4.2ct Old Cushion Cut Diamond Handmade 18k Gold Edwardian Ring Val$68830

Antique 4.2ct Old Cushion Cut Diamond Handmade 18k Gold Edwardian Ring Val$68830

$34,500

Antique 4.2ct Old Cushion Cut Diamond Handmade 18k Gold Edwardian Ring Val$68830 An antique handmade Edwardian 18ct white gold diamond ring, centring a magnificent 4.20ct old European cut diamond in a classic claw setting. The beautifully crafted...

Antique 3.36ct Old Cut Diamond Trilogy 18k Gold Ring Size R1/2 Val $30205

Antique 3.36ct Old Cut Diamond Trilogy 18k Gold Ring Size R1/2 Val $30205

$14,490

Antique 3.36ct Old Cut Diamond Trilogy 18k Gold Ring Size R1/2 Val $30205 An incredibly impressive antique 18ct white gold old-cut diamond trilogy ring, featuring three claw-set old-cut diamonds accented by finely saw-pierced detail. The stones are...

Vintage 0.48ct H Vs Princess Cut Diamond 14k White Gold Ring Size I Val $4535

Vintage 0.48ct H Vs Princess Cut Diamond 14k White Gold Ring Size I Val $4535

$1,525

Vintage 0.48ct H Vs Princess Cut Diamond 14k White Gold Ring Size I Val $4535A vintage hallmarked 14ct white gold solitaire ring, Containing 1 x modified princess cut Diamond mounted onto 2.50 - 1.60mm wide half round band. Finger size: IDiamond weight:...

White & Black Diamond Set 10ct White Gold Ring Size N1/2 Val $3130

White & Black Diamond Set 10ct White Gold Ring Size N1/2 Val $3130

$1,099

White & Black Diamond Set 10ct White Gold Ring Size N1/2 Val $3130One hallmarked 10ct white gold square shape cluster dress ring containing 9 x claw set black Diamonds surrounded by 24 x micro. claw set Diamonds, mounted onto 1.90mm wide band with solit...

Vintage 14K Gold 0.83ct Brilliant Cut Diamonds Dress Ring Size M1/2 Val $7045

Vintage 14K Gold 0.83ct Brilliant Cut Diamonds Dress Ring Size M1/2 Val $7045

$2,350

Vintage 14K Gold 0.83ct Brilliant Cut Diamonds Dress Ring Size M1/2 Val $7045One hallmarked 14ct white gold dress ring, Containing 30 central modern brilliant cut cognac diamonds, framed by 19 grain-set modern brilliant cut diamonds to each side (38 in...

Vintage Platinum 0.72ct Brilliant Cut Diamonds Dress Ring Size Q1/2 Val $7530

Vintage Platinum 0.72ct Brilliant Cut Diamonds Dress Ring Size Q1/2 Val $7530

$2,550

Vintage Platinum 0.72ct Brilliant Cut Diamonds Dress Ring Size Q1/2 Val $7530Elegant vintage triple row diamond set platinum dress ring, featuring a triple row of 24 claw-set modern brilliant cut diamonds, mounted on a 2.00mm wide half-round band with...

0.60ct G Vs Diamond 18K T/T Gold Dress Ring Size R Val $7015

0.60ct G Vs Diamond 18K T/T Gold Dress Ring Size R Val $7015

$2,350

0.60ct G Vs Diamond 18K T/T Gold Dress Ring Size R Val $7015A beautifully handcrafted 18ct yellow and white gold eternity-style ring, set with a total of 27 sparkling Modern Brilliant Cut Diamonds. Three larger claw-set diamonds are accented by 24 fine...

Vintage 3.80ct G Diamond Set 10K Gold Cluster Ring Size P1/2 Val $14290

Vintage 3.80ct G Diamond Set 10K Gold Cluster Ring Size P1/2 Val $14290

$4,790

Vintage 3.80ct G Diamond Set 10K Gold Cluster Ring Size P1/2 Val $14290 A ladies 10ct yellow gold diamond set ring, Containing 1 x raised four claw set central Diamond, mounted into 14.00 - 1.80mm wide tapered band containing 26 x channel set tapered...

1.85ct Cognac & 2.50ct Diamond Halo 18ct White Gold Ring Sz M1/2 Val $18810

1.85ct Cognac & 2.50ct Diamond Halo 18ct White Gold Ring Sz M1/2 Val $18810

$9,950

1.85ct Cognac & 2.50ct Diamond Halo 18ct White Gold Ring Sz M1/2 Val $18810 A new 18ct white gold ladies diamond set cocktail ring, containing 2 x yellow gold four claw set central diamonds, Surrounded by 19 claw set diamonds with wire basket,...

Vintage 2.00cttw Diamond Set 18k Two Tone Gold Ring Size M Val $14385

Vintage 2.00cttw Diamond Set 18k Two Tone Gold Ring Size M Val $14385

$7,199

Vintage 2.00cttw Diamond Set 18k Two Tone Gold Ring Size M Val $14385 A vintage 18ct white & yellow gold diamond ring, Containing 1 x four claw set Diamond, mounted onto a 3.30mm wide half round band containing 5 x channel set shoulder Diamonds...

1.24ct G VS Diamond Pave Set 9k Gold Ladies Curved Ring Size R1/2 Val $6545

1.24ct G VS Diamond Pave Set 9k Gold Ladies Curved Ring Size R1/2 Val $6545

$2,150

1.24ct G VS Diamond Pave Set 9k Gold Ladies Curved Ring Size R1/2 Val $6545A vintage handmade 9ct yellow gold curved pave set diamond ring, measuring 8.00mm wide with a domed profile containing 31 x pave set Diamonds, mounted into 8.00 - 4.70mm wide...

Antique 1.05ct Old Cut Diamond Set Halo 14k Gold Pinky Ring Size H Val $7340

Antique 1.05ct Old Cut Diamond Set Halo 14k Gold Pinky Ring Size H Val $7340

$2,490

Antique 1.05ct Old Cut Diamond Set Halo 14k Gold Pinky Ring Size H Val $7340Antique 14ct yellow and white gold halo cluster pinky ring, Containing 1 x illusion set central Diamond surrounded by 9 x Diamonds, Mounted onto 16.50 - 4.70mm wide tapered band...

Vintage 10K Yellow Gold 0.50ct Old Cut Diamond Ring N Val $5110

Vintage 10K Yellow Gold 0.50ct Old Cut Diamond Ring N Val $5110

$2,550

Vintage 10K Yellow Gold 0.50ct Old Cut Diamond Ring N Val $5110 A vintage 10ct yellow gold old cut Diamond set ornate filigree detailed dress ring. Containing 1 x claw set diamond, mounted onto a 1.80mm wide band with split shoulders. Finger Size N...

Antique Handmade 1.94cttw Old Cut Diamond Set Platinum Ring Sz G1/2 Val $9145

Antique Handmade 1.94cttw Old Cut Diamond Set Platinum Ring Sz G1/2 Val $9145

$4,575

Antique Handmade 1.94cttw Old Cut Diamond Set Platinum Ring Sz G1/2 Val $9145 One beautiful designed handmade antique 1.94cttw Diamond set Edwardian platinum ring, containing 23 x claw set Diamonds with gallery settings, Mounted onto a 2.20mm wide half...

Vintage Handmade 0.64cttw Vs Diamond Set Platinum Ring Sz L1/2 Val $6910

Vintage Handmade 0.64cttw Vs Diamond Set Platinum Ring Sz L1/2 Val $6910

$3,490

Vintage Handmade 0.64cttw Vs Diamond Set Platinum Ring Sz L1/2 Val $6910One beautiful designed handmade vintage 0.64cttw Diamond set platinum ring, circa 1940s, containing one square claw Diamond, Mounted onto a 2.00mm wide half round band with 3 grain...

Antique Platinum 1.80cttw Diamond & Sapphire Edwardian Ring Sz L.5 Val $14800

Antique Platinum 1.80cttw Diamond & Sapphire Edwardian Ring Sz L.5 Val $14800

$7,400

Antique Platinum 1.80cttw Diamond & Sapphire Edwardian Ring Sz L.5 Val $14800One beautiful designed antique diamond & sapphire Edwardian style platinum ring, containing one four claw set central Diamond surrounded by 16 x fancy blue sapphires, Mounted...

Antique Platinum 0.79cttw Diamond & Sapphire Edwardian Ring Sz L.5 Val $4790

Antique Platinum 0.79cttw Diamond & Sapphire Edwardian Ring Sz L.5 Val $4790

$2,395

Antique Platinum 0.79cttw Diamond & Sapphire Edwardian Ring Sz L.5 Val $4790One beautiful designed antique diamond & sapphire Edwardian style platinum ring, containing one four claw set central Diamond with saw pierced decorative sides containing 8 x...

Antique 2.00ct Diamond Edwardian Platinum Ring Sz M Val $12130

Antique 2.00ct Diamond Edwardian Platinum Ring Sz M Val $12130

$6,050

Antique 2.00ct Diamond Edwardian Platinum Ring Sz M Val $12130One beautiful designed antique old cut 2.00ct Diamond set Edwardian platinum ring, containing one six claw set central Diamond with decorative saw pieced shoulders, containing 12 x grain set...

Antique Handmade Deco 2.18cttw Old Cut Diamond Cluster Platinum Ring Sz J1/2 Val $14360.

Antique Handmade Deco 2.18cttw Old Cut Diamond Cluster Platinum Ring Sz J1/2 Val $14360.

$7,200

Handmade Deco 2.18cttw Old Cut Diamond Cluster Platinum Ring Sz J1/2 Val $14360 A wonderful handmade Art Deco platinum Diamond cluster set ring, Containing 3 x bead set old cut Diamonds with hexagonal shape settings, surrounded by 28 x grain set single...

Auth. C De Cartier 2 Diamond Set 18ct White Gold Wedding Ring size 58 $5100

Auth. C De Cartier 2 Diamond Set 18ct White Gold Wedding Ring size 58 $5100

$1,499

Auth. C De Cartier 2 Diamond Set 18ct White Gold Wedding Ring size 58 $5100One beautifully designed Cartier 2 diamond set wedding ring made in 18ct white gold, Set with 2 modern brilliant cut diamonds totalling approx 0.07ct. Total weight 3.7 grams...

Vintage 0.39cttw I Si Diamond Set 14ct White Gold Ring Size L1/2 Val $3785

Vintage 0.39cttw I Si Diamond Set 14ct White Gold Ring Size L1/2 Val $3785

$1,895

Vintage 0.39cttw I Si Diamond Set 14ct White Gold Ring Size L1/2 Val $3785Vintage 14ct white gold diamond set cluster ring, Featuring a leaf shape centre piece grain set with 13 x Diamonds and 4 x bead set Diamonds either side, mounted onto a 2.10mm wide...

Antique 0.20cttw Old Cut I Si Diamond Set 14ct White Gold Ring Size L Val $2790

Antique 0.20cttw Old Cut I Si Diamond Set 14ct White Gold Ring Size L Val $2790

$1,395

Antique 0.20cttw Old Cut I Si Diamond Set 14ct White Gold Ring Size L Val $2790Antique handmade 14ct white gold old cut diamond set ring, Containing 2 bead set diamonds and 1 @ 3.50 x 1.70mm synthetic blue sapphire, mounted onto a 1.60mm wide half round...

Vintage 0.37cttw H Vs Diamond Set 14ct Gold Ring Size K Val $3055

Vintage 0.37cttw H Vs Diamond Set 14ct Gold Ring Size K Val $3055

$1,050

Vintage 0.37cttw H Vs Diamond Set 14ct Gold Ring Size K Val $3055Vintage 14ct gold diamond set cluster ring, Containing 1 x claw set central diamond surrounded by 5 x bead set Diamonds with decorative side detailing, mounted onto a 1.50mm wide half round...

Antique 0.76cttw Old Cut Diamond Set 14ct White Gold Ring Size U Val $4960

Antique 0.76cttw Old Cut Diamond Set 14ct White Gold Ring Size U Val $4960

$2,480

Antique 0.76cttw Old Cut Diamond Set 14ct White Gold Ring Size U Val $4960Antique 14ct white gold old cut diamond set plaque ring, Containing 23 x grain set diamonds and 8 synthetic blue sapphires, mounted onto a 3.00mm wide band with engraved shoulders...

Vintage 1.56ct Diamond Set 14k Gold Cluster Ring size P1/2 Val $5525

Vintage 1.56ct Diamond Set 14k Gold Cluster Ring size P1/2 Val $5525

$1,850

Vintage 1.56ct Diamond Set 14k Gold Cluster Ring size P1/2 Val $5525A vintage 14ct yellow gold 1.56ct brilliant cut diamond set cluster ring, Containing 23 x claw set diamonds with staggered height wire settings, mounted onto a 4.20 - 2.70mm wide band...

Vintage 1.72ct I Si Diamond Set 14ct Yellow Gold Lion Ring Size V Val $11200

Vintage 1.72ct I Si Diamond Set 14ct Yellow Gold Lion Ring Size V Val $11200

$3,795

Vintage 1.72ct I Si Diamond Set 14ct Yellow Gold Lion Ring Size V Val $11200A Vintage 14ct yellow gold Lion head ring, Containing 2 x marquise shape diamonds and 17 x pave set brilliant cut diamonds, mounted into a 15.3 - 6.0mm wide tapered band. Finger...

0.32cttw Diamond Contoured 14k White Gold Band / Ring Size J Val $2890

0.32cttw Diamond Contoured 14k White Gold Band / Ring Size J Val $2890

$975

0.32cttw Diamond Contoured 14k White Gold Band / Ring Size J Val $2890 A vintage 14ct white gold contoured Diamond band / ring, Containing 32 x grain set Diamonds, mounted onto a 1.9mm wide white gold half round band. Finger size J. Total weight 2.20g...