Explore exceptional 4 carat diamond engagement rings featuring antique and modern cuts in genuine period and handcrafted settings. Afshin Shaddaie and Benjamin Khordipour personally select each ring for the diamond’s cut, proportions, color, clarity, certification, visual presence, and setting craftsmanship. From rare Art Deco rings and signed jewels to elegant solitaires, halos, and three-stone designs, every piece showcases the remarkable presence of a four-carat diamond.

Showing 1–30 of 39 results

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GIA-Certified Asscher-Cut Diamond Surrounded by French-Cut Sapphires Lisbon Ring 13025
4.09 Carat Asscher-cut Diamond and Sapphire Halo Ring Haddon Ring
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4.09ct Asscher Cut Diamond Engagement Ring. Haddon Ring

$140,000
4 Carat Diamond Old European Cut and Sapphire Halo Ring 14628-TV
4.26 Carat Diamond and Sapphire Ring Yale Ring Top Side View
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4.26ct Old Euro Cut Diamond Engagement Yale Ring

$60,000
4.37ct Old European Cut Diamond Halo Ring - Shoreham Ring 13813 TV
Old European Cut Diamond Ring Shoreham Ring Top View
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4.37ct Diamond Platinum Halo Shoreham Ring

$65,500
4 Carat Cushion Cut Diamond and Sapphire Engagement Ring 15264-TV
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
Top View Vintage Cushion-Cut Diamond Engagement Ring HER305
Pisa Ring TSV
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GIA-Certified 4.02ct Internally Flawless Cushion Cut Diamond Pisa Ring

$180,000
Top View 4 carat Old European cut diamond engagement ring C1298
Top Side View of Alperton Ring 4 Carat Diamond Engagement Ring
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4-Carat Diamond Engagement Ring. Alperton Ring

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4 Carat Asscher Cut Diamond Engagement Ring 14629-TV
platinum ring featuring a center 4.01ct diamond with diamond accents Follett Ring 14629
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4.01ct Asscher Cut Diamond Platinum Follett Ring

$56,000
4.01 carat GIA Certified Platinum ring Diamond Lima Ring Dis7830-TV
4.01 carat GIA Certified Diamond crown style Lima Ring DiS7830-TSV
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4.01ct GIA Certified Diamond Platinum Lima Ring

$68,000
4.01 carat center GIA Diamond Yellow Gold crown mounting Basco Ring DiS2017-TV
4.01 carat GIA certified Diamond Yellow Gold Basco Ring Dis2017 Top Side View
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4.01ct GIA Diamond Yellow Gold Basco Ring

$68,000
Top View GIA-Certified 4.02 Carat Round Brilliant Cut Diamond Ring
Top Side View Lively 14 Karat Gold and Diamond Ring RJ2502
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4.02 Carat Diamond Ring

$54,000
4.06ct Antique Cushion Cut Diamond, H Color VVS1, Swanton Ring HER609
Swanton engagement ring featuring a VVS1 diamond H color
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4.06ct Antique Cushion Cut Diamond, H Color VVS1, Swanton Ring

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Step Cut Diamond Platinum Solitaire Ring Castlebar Ring Top View
Castlebar 4ct Asscher Cut Diamond and Platinum Ring TSV
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4.09ct Emerald Cut Diamond Castlebar Ring

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GIA-Certified 4.20 Carat Asscher-Cut Diamond Three-Stone Engagement Ring SB2551
Impressive Three-Stone Ring Centering 4.20 Carat Diamond Ring Top Side View SB2551
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4.20ct Asscher-cut Diamond Sherbrooke Ring

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4.22ct Diamond and dou7ble diamond halo with Sapphire Marmora Ring SM3385
4.22ct Diamond with double halo and Sapphire accents Marmora Ring SM3385
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4.22ct Diamond and Sapphire Marmora Ring

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4ct Antique Diamond Ring Beckton Ring Top View 14034 TV
4.25 Carat Diamond Crown Style Ring Beckton Ring Top Side View
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4.25ct GIA Beckton Ring. Circa 1930, Antique, Art Deco Era

$55,000
4.26ct Old European Cut Diamond Ring - Bauer Ring 14239 Top View
GIA 4.26ct Old European Cut Diamond Platinum Engagement Ring TSV
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4.26ct Old European Cut Diamond Bauer Ring

$85,000
4.38 carat antique cushion cut diamond halo Bylas Ring 16344 TV
4.38 carat Cushion Cut Diamond platinum Emerald halo Bylas Ring 16344 TSV
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4.38ct Cushion Cut Diamond and Emerald Bylas Ring

$28,000
Athens Ring Old European Cut Diamond Engagement Ring 14608-TV-1000PX
old European cut diamond ring Athens ring 14608-TSV-1000PX
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4.59ct Old European Cut Diamond Athens Ring

$59,000
4.77 carat emerald cut top light diamond platinum and gold Parker Ring ASS4832 TV
4.77ct emerald cut diamond platinum diamond accent Parker Ring ASS4832
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4.77ct Top Light Yellow Diamond Parker Ring

$50,000
4.22ct Old European Cut Diamond Ring - Devon Ring 14035 TV
4.22ct Diamond and Platinum Engagement Ring - Devon Ring 14035 TSV
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4ct GIA Old European Cut Diamond Devon Ring

$45,000
4ct Oval Cut Diamond Platinum with trillion accent diamonds Oakville Ring HER606
4ct Oval Cut Diamond Platinum Three Stone Oakville Ring HER606
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4ct Oval Cut Diamond Platinum Three Stone Oakville Ring

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Antique Art Deco Ring Snow Lake Ring Top View 15073
Top Side View 4.30 carat Diamond Engagement Ring Snow Lake Ring 15073
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Antique Art Deco 4.30ct Diamond Engagement Ring. Snow Lake Ring. Circa 1920

$60,000
4.03 carat center old european cut diamond with detailed mounting Hammonton Ring HER039
Art Deco GIA certified 4.03 carat Diamond Hammonton Ring, Circa 1920 HER039
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Art Deco GIA 4.03ct Diamond Hammonton Ring, Circa 1920

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4.06 carat center antique pear shaped diamond set in prongs Perkasie Ring SBD4101a
Art Deco GIA 4.06 carat center Pear Diamond Perkasie Ring, Circa 1925 SBD4101a
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Art Deco GIA 4.06ct Pear Diamond Perkasie Ring, Circa 1925

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4.21 carat center old European cut diamond with diamonds on shoulder Galeton Ring 16050
4.21ct Old European Cut Diamond Galeton Ring 16050 top side view photo
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Art Deco GIA 4.21ct Diamond Galeton Ring, Circa 1925

$45,000
Cartier vintage ring 4.97 carat marquise diamond platinum accent ring SB6130 TV
Cartier vintage 4.97 carat marquise cut diamond with diamond accents platinum SB6130 TSV
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Cartier French Vintage GIA 4.97ct Marquise Diamond Ring, Circa 1950

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4.01 carat GIA certified center diamond with diamonds on under-gallery SH4ct2
4 carat center diamond GIA certified with diamonds along shank Dimmitt Ring SH4ct2
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GIA 4.01ct Diamond Dimmitt Ring

$72,000
GIA 4.01 carat center Diamond Engraved Platinum Cyrene Ring DiS2413-TV
GIA certified center 4.01ct Diamond Engraved Platinum Cyrene Ring DiS2413-TSV
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GIA 4.01ct Diamond Engraved Platinum Cyrene Ring

$48,000
4.01 carat GIA certified center fancy yellow diamond with accent stones and halos Dunavant Ring EVER101
GIA certified 4.01 carat Fancy Yellow Diamond Halo Dunavant Ring EVER101
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GIA 4.01ct Fancy Yellow Diamond Halo Dunavant Ring

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4.04 Carat Fancy Yellow Diamond Ring Bethpage Ring D3763
4.04ct Fancy Yellow Emerald Cut Ring - Bethpage Ring
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GIA 4.04ct Fancy Yellow Emerald Cut Diamond Bethpage Ring

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