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.

Antique 0.24ct Old Cut Diamond Set 14ct White Gold Ring size L Val $2430

Antique 0.24ct Old Cut Diamond Set 14ct White Gold Ring size L Val $2430

$849

Antique 0.24ct Old Cut Diamond Set 14ct White Gold Ring size L Val $2430 A wonderful antique 14ct white gold old cut diamond set ladies ring, Containing 9 x bead set diamonds, with decorative scroll detailing, mounted onto a 2.30mm wide band. Finger...

Vintage 0.22ct G Si Diamond Set 14ct White Gold Ring size I1/2 Val $2765

Vintage 0.22ct G Si Diamond Set 14ct White Gold Ring size I1/2 Val $2765

$925

Vintage 0.22ct G Si Diamond Set 14ct White Gold Ring size I1/2 Val $2765A wonderful vintage 14ct white gold diamond set antique style plaque ring, Containing 3 x claw set diamonds with decorative saw pierced detailing, mounted onto a 2.20mm wide half...

Vintage 0.72ct Diamond Crossover 14ct Yellow Gold Ring size R Val $3390

Vintage 0.72ct Diamond Crossover 14ct Yellow Gold Ring size R Val $3390

$1,150

Vintage 0.72ct Diamond Crossover 14ct Yellow Gold Ring size R Val $3390A vintage 14ct yellow gold diamond crossover ring, Containing 3 x raised channel set central diamonds and 14 x channel set tapered baguette diamonds, Mounted onto a 2.5mm wide half...

Antique 0.12ct Old Cut Diamond Set 14ct White Gold Ring size N Val $2230

Antique 0.12ct Old Cut Diamond Set 14ct White Gold Ring size N Val $2230

$799

Antique 0.12ct Old Cut Diamond Set 14ct White Gold Ring size N Val $2230A wonderful antique 14ct white gold old cut diamond set ladies ring, Containing 1 x bead set central diamond, with saw pierced detailing, mounted onto a 1.30mm wide half round band...

Vintage 0.35ct Solitare Diamond 14ct Yellow Gold Ring Size J1/2 Val $2050

Vintage 0.35ct Solitare Diamond 14ct Yellow Gold Ring Size J1/2 Val $2050

$725

Vintage 0.35ct Solitare Diamond 14ct Yellow Gold Ring Size J1/2 Val $2050 A vintage 14ct yellow gold diamond solitare ring, Containing 1 x raised four claw set Diamond, mounted onto a 2.2mm tapering half round band, size J1/2, Total weight 1.90g. ...

Vintage 14ct Gold 0.31ct G Si Diamond Spinner Swinger Ring Sz W1/2 Val $5280

Vintage 14ct Gold 0.31ct G Si Diamond Spinner Swinger Ring Sz W1/2 Val $5280

$1,775

Vintage 14ct Gold 0.31ct G Si Diamond Spinner Swinger Ring Sz W1/2 Val $5280 A vintage 14ct yellow gold swinger diamond dress ring, featuring four rotating squares, grain set with 12 x diamonds and a fixed centre piece pave set with 9 x diamonds,...

1.97ct Oval Brilliant Cut Diamond 14ct Gold Bombe Cocktail Ring Sz M Val $27910

1.97ct Oval Brilliant Cut Diamond 14ct Gold Bombe Cocktail Ring Sz M Val $27910

$13,999

1.97ct Oval Brilliant Cut Diamond 14ct Gold Bombe Cocktail Ring Sz M Val $27910 A incredibly stylish vintage 14ct yellow gold bombe style cocktail ring, Containing 1 x semi set 1.97ct Oval Brilliant Cut central diamond, 20 x channel set diamonds and 24...

Vintage Mother of Pearl & 0.42ct Diamond 18K Gold Cocktail Ring Val $5370

Vintage Mother of Pearl & 0.42ct Diamond 18K Gold Cocktail Ring Val $5370

$1,895

Vintage Mother of Pearl & 0.42ct Diamond 18K Gold Cocktail Ring K Val $5370 One 18ct yellow gold mother of pearl & diamond cocktail ring, Featuring contoured mother of pearl inlay and 28 grain set diamonds, mounted onto 14.00 - 5.70mm wide...

Vintage Handmade 0.49ct Old Cut Diamond 14ct White Gold Ring Size M Val $4510

Vintage Handmade 0.49ct Old Cut Diamond 14ct White Gold Ring Size M Val $4510

$2,255

Vintage Handmade 0.49ct Old Cut Diamond 14ct White Gold Ring Size M Val $4510 A vintage handmade 14ct white gold Diamond solitaire ring, containing 1 x raised square illusion set diamond, mounted onto a 2.00mm wide half round band. Finger size M, Total...

0.30ct F VVS1 Centre Diamond 18ct Gold Halo Ring Size P1/2 Val $6220

0.30ct F VVS1 Centre Diamond 18ct Gold Halo Ring Size P1/2 Val $6220

$2,200

0.30ct F VVS1 Centre Diamond 18ct Gold Halo Ring Size P1/2 Val $6220A quality vintage 18ct yellow gold 0.66cttw diamond set halo ring. Containing 1 x four claw set central diamond surrounded by 10 grain set diamonds, mounted onto 2.30mm wide band grain...

Vintage 0.90cttw Diamond 14ct Gold Dress Ring Size G1/2 Val $3980

Vintage 0.90cttw Diamond 14ct Gold Dress Ring Size G1/2 Val $3980

$1,350

Vintage 0.90cttw Diamond 14ct Gold Dress Ring Size G1/2 Val $3980A vintage 14ct yellow gold 0.90cttw diamond set dress ring. Containing 11 x claw set diamonds and 10 x claw set baguette diamonds, mounted onto 1.30mm wide band with split shoulders.Finger...

Antique Handmade 0.42cttw Old Cut Diamond 18ct Gold Ring Size S Val $4705

Antique Handmade 0.42cttw Old Cut Diamond 18ct Gold Ring Size S Val $4705

$2,350

Antique Handmade 0.42cttw Old Cut Diamond 18ct Gold Ring Size S Val $4705 Antique handmade 18ct yellow gold old cut Diamond set cluster ring, Containing 12 x claw set diamonds, mounted onto a 2.7mm wide half round band. Finger size S, Total weight 5...

Vintage Pearl & 0.24cttw Old Cut Diamond 14ct Gold Ring Size R Val $2840

Vintage Pearl & 0.24cttw Old Cut Diamond 14ct Gold Ring Size R Val $2840

$995

Vintage Pearl & 0.24cttw Old Cut Diamond 14ct Gold Ring Size R Val $2840 Vintage 14ct yellow gold Pearl & old cut Diamond set cluster ring, Containing 1 @ 4.30mm cultured Pearl surrounded by 8 claw set diamonds, mounted onto a 3.00mm wide half...

1.85ct Cognac & 2.50ct Diamond Halo 18ct White Gold Ring Val $17850

1.85ct Cognac & 2.50ct Diamond Halo 18ct White Gold Ring Val $17850

$10,750

1.85ct Cognac & 2.50ct Diamond Halo 18ct White Gold Ring Sz N Val $17850 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, mounted...

Vintage 18ct Yellow Gold 0.15ct Diamond Gypsy Ring Size S1/2 Val $3530

Vintage 18ct Yellow Gold 0.15ct Diamond Gypsy Ring Size S1/2 Val $3530

$1,195

Vintage 18ct Yellow Gold 0.15ct Diamond Gypsy Ring Size S1/2 Val $3530 Vintage 18ct yellow gold diamond set Gypsy ring, containing 1 x hammer set diamond mounted onto 6.70mm - 3.40mm wide tapered band with rail side feature. Finger size S1/2, Total...

Tiffany & Co GIA 1.57 cttw G VVS2 Diamond Set Platinum Ring Size J1/2 Val $31900

Tiffany & Co GIA 1.57 cttw G VVS2 Diamond Set Platinum Ring Size J1/2 Val $31900

$22,900

Tiffany & Co GIA 1.57 cttw G VVS2 Diamond Set Platinum Ring Size J1/2 Val $31900 A Tiffany & Co platinum stamped ( Tiffany & Co pt950 29523185 D 1.07ct ) diamond ring. One central rasied six claw set 1.07ct diamond, mounted on a classic...

Vintage 0.50ct Diamond Set 18ct White Gold Ring Size M1/2 Val $3840

Vintage 0.50ct Diamond Set 18ct White Gold Ring Size M1/2 Val $3840

$1,295

Vintage 0.50ct Diamond Set 18ct White Gold Ring Size M1/2 Val $3840 A vintage 18ct white gold Diamond set ladies ring, Featuring 4 x invisible set central princess cut diamonds and 2 x semi set side Diamonds, mounted onto a 2.20mm wide band grain set...

Vintage 14ct White Gold 0.47ct Diamond Set Dress Ring Size O1/2 Val $2970

Vintage 14ct White Gold 0.47ct Diamond Set Dress Ring Size O1/2 Val $2970

$990

Vintage 14ct White Gold 0.47ct Diamond Set Dress Ring Size O1/2 Val $2970A vintage 14ct white gold diamond set dress ring, Containing 19 claw set diamonds, mounted into a 1.8mm wide band with split shoulders.Finger size O1/2, Total weight 3.30g.Total...

Vintage 14ct White Gold Sapphire & Diamond Set Ring Size P Val $2210

Vintage 14ct White Gold Sapphire & Diamond Set Ring Size P Val $2210

$759

Vintage 14ct White Gold Sapphire & Diamond Set Ring Size P Val $2210A vintage 14ct white gold synthetic blue sapphire & diamond set ring, Containing 1 x square grain set diamond and 1 @ 3.70 x 3.70mm synthetic blue sapphire, mounted into a 11...

Vintage Handmade 1.14cttw Diamond Set Platinum Ring Size O Val $12750

Vintage Handmade 1.14cttw Diamond Set Platinum Ring Size O Val $12750

$6,375

Vintage Handmade 1.14cttw Diamond Set Platinum Ring Size O Val $12750 Vintage handmade platinum seven diamond set ladies ring, Containing 1 claw set central 0.84ct diamond and 2 x claw set diamonds either side, mounted onto a 2.00mm to 1.20mm wide band...

1.00ct Heart Cut Diamond & Princess Cut 18ct White Gold Ring Size N Val $14670

1.00ct Heart Cut Diamond & Princess Cut 18ct White Gold Ring Size N Val $14670

$7,999

1.00ct Heart Cut Diamond & Princess Cut 18ct White Gold Ring Size N Val $14670 A timeless 18ct white gold diamond set ladies ring, Containing 1x raised white gold claw set 1.00ct Heart shaped central diamond, mounted onto a 18ct white gold 5.6mm to...

2.90ct Diamond 18ct Yellow White & Rose Gold Crossover Ring Size N1/2 Val $15900

2.90ct Diamond 18ct Yellow White & Rose Gold Crossover Ring Size N1/2 Val $15900

$7,950

2.90ct Diamond 18ct Yellow White & Rose Gold Crossover Ring Size N1/2 Val $15900 A wonderful 18ct yellow, white and rose gold ladies Diamond multi-tiered cross over dress ring, Containing 242 x claw set diamonds, mounted onto a 18ct white gold...

Vintage 18ct Gold 0.35ct Cognac Diamond Cluster Ring Size O1/2 Val $3300

Vintage 18ct Gold 0.35ct Cognac Diamond Cluster Ring Size O1/2 Val $3300

$1,099

Vintage 18ct Gold 0.35ct Cognac Diamond Cluster Ring Size O1/2 Val $3300 A vintage 18ct yellow gold cognac diamond cluster ring, Containing 6 x raised claw set diamonds, Mounted onto 2.70mm wide band with wrap around shoulders. Finger Size O1/2. Total...

Vintage 14ct Yellow Gold 1.07ct Diamond Cocktail Ring Size P1/2 Val $5765

Vintage 14ct Yellow Gold 1.07ct Diamond Cocktail Ring Size P1/2 Val $5765

$1,925

Vintage 14ct Yellow Gold 1.07ct Diamond Cocktail Ring Size P1/2 Val $5765 A vintage 14ct yellow gold diamond cocktail ring, Containing 1 x four claw set diamond, 6 x baguette diamonds and 16 x brilliant cut diamonds, Mounted onto 8.70 - 2.20mm wide...

Vintage 1.43cttw Diamond Set 14ct White Gold Cocktail Ring Size L1/2 Val $8130

Vintage 1.43cttw Diamond Set 14ct White Gold Cocktail Ring Size L1/2 Val $8130

$2,710

Vintage 1.19cttw Diamond Set 14ct White Gold Cocktail Ring Size L1/2 Val $5150 A vintage ladies 14ct white gold diamond cocktail ring, Containing 45 grain set diamonds and 16 x channel set baguette diamonds, mounted onto a 4.40 - 1.90mm wide band with...

Vintage Platinum 1.40ct Princess Cut Diamonds Ladies Ring Size K Val $7530

Vintage Platinum 1.40ct Princess Cut Diamonds Ladies Ring Size K Val $7530

$2,550

Vintage Platinum 1.40ct Princess Cut Diamonds Ladies Ring Size K Val $7530 A vintage platinum princess cut Diamond set ring, Containing 1 x raised four set Diamond, mounted into a 4.00 - 2.00mm wide band, Channel set with 5 x princess cut Diamonds...

Vintage 0.93ct Diamond Set Handmade 14ct White Gold Cocktai Ring N1/2 Val $6890

Vintage 0.93ct Diamond Set Handmade 14ct White Gold Cocktai Ring N1/2 Val $6890

$2,350

Vintage 0.93ct Diamond Set Handmade 14ct White Gold Cocktai Ring N1/2 Val $6890 A stunning vintage 14ct white gold handmade diamond cocktail ring, Containing 1 x bead set central diamond surrounded by 36 grain set diamonds and 2 x baguette diamonds,...

Vintage 1.21ct I Si Diamond Cluster 18ct White Gold Ring Size G1/2 Val $12110

Vintage 1.21ct I Si Diamond Cluster 18ct White Gold Ring Size G1/2 Val $12110

$4,095

Vintage 1.21ct I Si Diamond Cluster 18ct White Gold Ring Size G1/2 Val $12110 A vintage 18ct white gold ladies Diamond set cocktail ring, Containing 1 x raised four claw set central 0.77ct diamond, Mounted into a 4.50mm to 2.30mm wide tapered band,...

Vintage 0.81cttw H Vs Princess Cut Diamond 14ct White Gold Ring Size K Val $4570

Vintage 0.81cttw H Vs Princess Cut Diamond 14ct White Gold Ring Size K Val $4570

$1,550

Vintage 0.81cttw H Vs Princess Cut Diamond 14ct White Gold Ring Size K Val $4570 A vintage 14ct white gold Princess cut Diamond set ladies ring, Containing 1 x four claw set quarter carat Princess cut Diamond, mounted onto a 3.00mm wide band channel set...

Antique Old Cut 0.40ct Diamond 18ct White Gold Ring Size K1/2 Val $4020

Antique Old Cut 0.40ct Diamond 18ct White Gold Ring Size K1/2 Val $4020

$2,010

Antique Old Cut 0.40ct Diamond 18ct White Gold Ring Size K1/2 Val $4020 A stunning handmade 18ct white gold diamond ladies ring, The ring presents as a rectangular shape setting grain set with 3 x central diamonds, mounted onto a 1.60mm wide band with...

Vintage 1.08cttw Diamond Set 14ct White Gold Ring Size K1/2 Val $5820

Vintage 1.08cttw Diamond Set 14ct White Gold Ring Size K1/2 Val $5820

$1,975

Vintage 1.08cttw Diamond Set 14ct White Gold Ring Size K1/2 Val $5820 A vintage 14ct white gold diamond set ladies ring, Containing 3 x claw set Diamonds and 8 x channel set shoulder Diamonds, mounted onto a 2.60mm wide half round band. Finger size...

Vintage 0.76cttw Diamond Set 14ct White Gold Ring Size N Val $5290

Vintage 0.76cttw Diamond Set 14ct White Gold Ring Size N Val $5290

$1,775

Vintage 0.76cttw Diamond Set 14ct White Gold Ring Size N Val $5290 A vintage 14ct white gold diamond set ladies ring, Containing 1 x raised four claw set diamond with wrap around shoulders micro claw set with 22 x diamonds, mounted onto a 4.00mm - 2...

Vintage 0.46ct Brillian Cut Diamond Set 14ct White Gold Solitaire Ring Val $4610

Vintage 0.46ct Brillian Cut Diamond Set 14ct White Gold Solitaire Ring Val $4610

$1,599

Vintage 0.46ct Brillian Cut Diamond Set 14ct White Gold Solitaire Ring Val $4610 A vintage 14ct white gold diamond solitaire ring, Containing 1 x square bead set central Diamond, mounted onto a 9.00 - 4.00mm wide tapered band with recessed edges. Finger...

Vintage 0.25ct Brilliant Cut Diamond 18ct White Gold Cluster Ring Val $3010

Vintage 0.25ct Brilliant Cut Diamond 18ct White Gold Cluster Ring Val $3010

$1,049

Vintage 0.25ct Brillian Cut Diamond 18ct White Gold Cluster Ring Val $3010 A vintage 18ct white gold diamond cluster ring, Containing 8 x four claw set diamonds and 5 x bead set diamonds in marquise shape settings, mounted onto a 2.50 - 2.00mm wide band...

Vintage 0.33 ct H Si Diamond 18ct Yellow Gold Cocktail Ring Size Q1/2 Val $5780

Vintage 0.33 ct H Si Diamond 18ct Yellow Gold Cocktail Ring Size Q1/2 Val $5780

$1,935

Vintage 0.33 ct H Si Diamond 18ct Yellow Gold Cocktail Ring Size Q1/2 Val $5780 A vintage 0.33cttw Diamond set 18ct yellow gold cocktail ring, Featuring a domed star shape top plate grain set with 15 x Diamonds, mounted onto a 16.00-4.30mm wide tapered...

A Vintage 18ct Yellow Gold 2.40cttw Diamond Cluster Ring Size M1/2 Val $15500

A Vintage 18ct Yellow Gold 2.40cttw Diamond Cluster Ring Size M1/2 Val $15500

$5,999

A Vintage 18ct Yellow Gold 2.40cttw Diamond Cluster Ring Size M1/2 Val $15500 A vintage 18ct yellow gold and white gold 2.40cttw Diamond cluster staggered height cocktail ring, Containing 1 x raised cetral Diamond and 16 x claw set Diamonds either side,...