Shop our selection of antique cushion cut diamonds set in engagement rings. These diamonds are also available loose. Contact us for more info.

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1.40ct Five Stone Platinum on 18k Yellow Gold Isham Ring Top View 15564
Platinum on 18k Yellow Gold 5 Stone Antique Cushion Cut Diamond Ishlam Ring Top Side View
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1.40ct Five Stone Platinum on 18k Yellow Gold Isham Ring

$4,400
Top View Victorian Diamond Cluster Ring Addison Ring 15017
double halo diamond ring
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0.91ct Double Halo Diamond Addison Ring

$10,500
antique cushion-cut diamond with baguette and round diamond platinum Milo ring 15247
EDJ Color BG Product Video
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Antique Cushion Cut GIA Certified Milo Ring

$14,000
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Top View Stunning Antique GIA-certified cushion cut diamond Engagement Ring 15473
Top Side View Diamond on Platinum and 18k Yellow Gold Ring 15473
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McKinney Ring. Circa 1900, Antique, Edwardian Era

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Marbury 3.53ct Antique Cushion Cut Diamond Ring Three Stone TV HER604
Marbury 3 carat Antique Cushion Cut Diamond Engagement Ring TSV
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Three-Stone Antique Cushion Cut Diamond Marbury Ring

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Victorian Old European Diamond and Silver Ring - Rideau Ring 13480
Antique Victorian Dome Shape Mounting Ring - Rideau Ring 13480
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Victorian Dome Diamond Ring. Rideau. Circa 1880

$9,900
2.29ct Antique Cushion Cut Diamond Ring - Mosley Ring 13837 TV
Diamond and Sapphire Halo Engagement Ring - Mosley Ring 13837 TSV
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2.29ct Antique Cushion Cut Diamond and Sapphire Halo Mosley Ring

$25,000
14157 TV Antique Cushion cut Diamond with Sapphire Halo Engagement Ring 14157
Antique Cushion Cut Diamond Engagement Ring - Montreal Ring 14157 TSV
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3.03ct Antique Cushion Cut and Sapphire Halo Montreal Ring

$33,000
4.06 Carat Diamond and Sapphire Halo Ring Robinson Ring 15264 Top View
Platinum 4.06ct Diamond Ring Robinson Ring 15264 Top Side View
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4.06ct Antique Cushion Cut Diamond Sapphire Halo Robinson Ring

$52,000
4.60ct Antique Cushion Cut Diamond Ring Estate Halo Ring 13423 Top View
Platinum Diamond Halo and 4.60ct Estate Halo Ring 13423 Top Side View
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4.60ct Antique Cushion Cut Diamond Platinum Halo Ring

$55,000
Top View 5.19 carat Diamond Engagement Ring Glenridge Ring 14672
Top Side View Antique Cushion Cut Diamond Ring Glenridge Ring 14672
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5.19ct Antique Cushion Cut Diamond Glenridge Ring

$75,000
5.49ct Antique Cushion Cut Diamond Ring - Tropea Ring 14027 TV
Antique Cushion Diamond Emerald Halo Ring - Tropea Ring 14027 TSV
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5.49ct Cushion Cut Diamond Halo Ring. Tropea Ring

$88,000
Top View Antique Cushion Cut Diamond Engagement Ring 15548
Top Side View 0.58 carat Diamond with Diamond Halo Ring 15548
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0.58ct Antique Cushion-Cut Diamond Engagement Sinetta Ring

$4,300
0.63ct Antique Cushion Diamond Gold Ring - Malta Ring 13052 Top View
Antique Cushion Cut Diamond Engagement Ring - Malta Ring 13052 TSV
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0.63ct Antique Cushion Cut Diamond 18k YG Malta Ring

$5,200
Antique Elongated Cushion Cut Toronto Ring Top View 12566
Antique Cushion-Cut Diamond Toronto Ring Top Side View 12566
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1.01ct Antique Cushion Cut Diamond Toronto Ring

$9,000
lively antique cushion cut diamond Springdale Ring Top View 12587
Springdale Ring Top Side View
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1.30ct Antique Cushion Cut and Cluster Springdale Ring

$9,500
1.78ct Cushion Cut Diamond Engagement Ring - Castleford Ring 14412 TV
1.78ct Cushion Cut Diamond Sapphire Ring - Castleford Ring 14412 TSV
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1.78ct Antique Cushion Cut Diamond and Double Halo Castleford Ring

$15,000
Antique Cushion Cut Diamond Ring Spruce Ring Top View 12771
Open Work Under Gallery Triple Wire Shank 18k Yellow Gold Mounting 12771-TSV-1000PX
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18k Yellow Gold and 1.36ct Diamond Spruce Ring

$9,700
5 stone antique cushion cut silver on yellow gold Anfield ring 15563
silver on 18k yellow gold antique cushion five stone Anfield ring 15563
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2.00ct Five Stone Antique Cushion Cut Anfield Ring

$4,800
2.60 carat antique cushion cut with saph on the shoulders Maynard Ring 15461
center cushion cut diamond prong set with sapphire detailing the shoulders ring 15461
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2.60ct Antique Cushion Diamond with Sapphire Maynard Ring

$19,000
Platinum and Cushion Cut Ring Diamond Belem Ring Top View 13286
2.39ct Old Euro Diamond Cut Engagement Ring TSV 13286
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2.75ct Old Cushion and Platinum Halo Belem Ring

$24,000
-10%
Providence Cushion Cut Diamond Engagement Ring with Diamond Halo Top View 12171
Providence Openwork Filigree Diamond Engagement Ring TSV
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2.90ct Antique Cushion Cut Diamond Providence Ring

Original price was: $29,000.Current price is: $26,100.
Diamond and Sapphire Accent Ring Tournus Ring Top View 13467
Old European Cut Diamond and Sapphire Filigree Ring
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3.38ct Antique Cushion Cut Diamond and Sapphire Tournus Ring

$36,000
3.43ct Antique Cushion Cut Diamond Ring Top View Olton Ring
Bow Motif Platinum and Diamond Ring Olton Ring Top Side View 14895
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3.43ct Antique Cushion Cut Diamond Platinum Olton Ring

$45,000
5.01ct Antique Cushion Cut Solitaire Ring - Cassel Ring JR761 TV
5 Carat Cushion Cut Diamond Ring Cassel Ring Top Side View
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5.01ct Antique Cushion Cut Diamond Cassel Ring

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5.01ct Elongated Antique Cushion Cut Ring - Ellsworth Ring 608SB TV
5.01ct Elongated Cushion Cut Diamond Ring - Ellsworth Ring 608SB TSV
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5.01ct Antique Cushion Cut Diamond Ellsworth Ring

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5.01ct Cushion Cut Diamond Engagement Ring - York Ring 609SB TV
Cushion and Bullet Cut Diamond Ring - York Ring 609SB TSV
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5.01ct Antique Cushion Cut Diamond The York Ring

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Top View GIA-Certified 5.01 carat Antique Cushion-Cut Diamond Ring 14979
Top Side View Antique Cushion-Cut Diamond on 18k Yellow Gold Ring 14979
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5.01ct Cushion Cut Diamond Ring. Milltown Ring

$90,000
5.24 carat antique cushion cut with french cut sapphire halo Arkana ring12301
EDJ Color BG Product Video
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5.24ct Antique Cushion Cut Diamond and Sapphire Halo Arkana Ring

$55,000
Top View Antique Cushion Cut Diamond Ring Lennox Hill Ring 11472
Top Side View 6.01 carat Diamond Ring Lennox Hill Ring 11472
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6.01ct Cushion Cut Diamond Engagement Ring. Lennox Hill Ring

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3.08ct cushion cut center diamond in bezel setting Clearfield Ring DAKA1
Antique ring circa 1920s with large center diamond Clearfield Ring DAKA1
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Antique 3.08ct Cushion Cut Diamond Clearfield Ring, Circa 1920

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10 Carat Antique Cushion Cut Diamond Solitaire Ring Top View
10.08 Carat Antique Cushion Cut Diamond Ring Moore Ring Top Side View
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Antique Art Deco 10.08ct Cushion Engagement Ring. Moore Ring. Circa 1930

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antique cushion cut diamond with sapphire and emerald design Searsport ring LV23-10
antique cushion cut diamond sapphire halo ring
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Antique Cushion Cut 1.15ct Diamond Sapphire Halo Searsport Ring

$9,500
Victorian Antique Cushion Cut Diamond Earrings - Royalton Earrings 14657 TV
Royalton Earrings from 1880 made out of 18k yellow gold
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Antique Victorian Diamond Cluster Royalton Earrings, Circa 1880

$10,500
Platinum 2.22ct Old Cut Diamond Art Deco Diamond Three Stone Ring 15245
2.22ct Antique Cushion Cut Diamond Ring Diamond Three Stone Ring 15245 Top Side View
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Art Deco 2.22ct Center Diamond Three Stone Platinum Ring. Cresson Ring, Circa 1920

$36,000
Copley Ring antique cushion cut ruby three-stone ring 14961 TV 1000P
Antique cushion cut diamond and ruby ring Copley ring 14961 TSV 1000P
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Coply Ring. Circa 1900, Antique, Edwardian Era.

$3,500