Explore our collection of half-carat diamond engagement rings, featuring elegant antique, vintage, and vintage-inspired designs. Our 1/2 carat diamond engagement rings offer a refined look while allowing the craftsmanship and setting to shine. Discover distinctive rings selected for their beauty, character, and timeless appeal.

Showing 1–30 of 41 results

Show sidebar
oval cut diamond with sapphire and diamond halo design Briscoe Ring 15976
Art Deco era ring Diamond and Sapphire Briscoe Ring, Circa 1920 15976
Add to cart

Art Deco Diamond and Sapphire Briscoe Ring, Circa 1920

$9,000
Antique Art Deco Old Euro Diamond Ring 1925 14502-TV-1200PX
Top Side View Art Deco Era Diamond Engagement Ring 14502
Add to cart

Antique 0.40ct Old European Diamond Cedar Ring. Art Deco Era, Circa 1925

$2,200
Diamond Cluster Silver on 18k Yellow Gold Forest Ring 15869
Diamond Cluster ring Silver mounting on 18k Yellow Gold Forest Ring
Add to cart

Diamond Cluster Silver on 18k Yellow Gold Forest Ring

$5,000
victorian era 0.60ct old European cut diamond yellow gold Ridgelawn Ring 16211 TV
Victorian Era 0.60ct old European Diamond yellow gold Ridgelawn Ring 16211 TSV
Add to cart

Victorian Era 0.60ct Diamond Ridgelawn Ring, Circa 1890

RESERVED
0.54ct Diamond Emerald-Cut Engagement Eastgate Ring 13738
0.54 carat Diamond Emerald-Cut Engagement Eastgate Ring 13738
Add to cart

0.54ct Diamond Emerald-Cut Engagement Eastgate Ring

$4,800
Antique Diamond and Sapphire Accent Pana Ring. Circa 1920 Top View 15674
Top Side View Art Deco Old European Cut Diamond and Sapphires Ring 15674
Add to cart

Antique Diamond and Sapphire Accent Pana Ring. Circa 1920

$4,500
Top View Three Stone Diamond Set In Bezel Setting Warburton Ring 15667
Top Side View Three Stone Diamond Set in Platinum Bezel Ring 15667
Add to cart

Art Deco Approx. 0.60ct Three-Stone Engagement Warburton Ring

$4,200
Victorian Era Antique Cushion Cut Diamond Ring - Clement Ring 14351 TV
Antique 0.42ct Diamond Solitaire Engagement Ring - Clement Ring 14351 TSV
Add to cart

Victorian Era 0.42ct Diamond Clement Ring, Circa 1860

$2,500
Retro Old European Cut Diamond Ring - Berge Ring 13495 TV
Vintage Old European Cut Diamond Ring - Berge Ring 13495
Add to cart

Vintage Retro Era 0.60ct Diamond Engagement Ring. Berge Ring, Circa 1940

$4,000
Asscher Cut Diamond Double Halo Ring Mississippi Ring Top View 15379
Platinum Double Halo Ring Mississippi Ring 15379 Top View
Add to cart

0.50ct Asscher-cut Diamond Double Halo Mississippi Ring

$5,500
0.50ct Old European Cut Diamond and Sapphire Halo Central Park Ring TV 14095
Sapphire Halo and Diamond Ring Central Park TSV
Add to cart

0.50ct Central Park Ring. Platinum Diamond and Sapphire Ring.

$4,000
0.50 carat emerald cut diamond with diamond and emerald double halo Newbury Ring 14176
Platinum and Double Halo Ring Newbury Ring Top Side View
Add to cart

0.50ct GIA Emerald Cut Diamond and Emerald Halo Newbury Ring

$5,800
Double Halo Asscher Cut Ring Walton Ring Top View 14126
GIA-Certified Asscher-Cut Diamond Walton Ring Top Side View 14126 TSV
Add to cart

0.51ct Asscher-Cut Diamond Double Halo Platinum Walton Ring

$5,200
0.50ct Asscher Cut Diamond Engagement Ring - Starrett Ring 13788 Top View
Platinum Mounting Asscher Cut Diamond And Baguette Halo Engagement Ring 13788-TSV-1000
Add to cart

0.52ct Asscher Cut Diamond and Baguette Halo Platinum Starrett Ring

RESERVED
Front View of Pacific Ring 0.50ct Emerald Cut Diamond Ring
Art Deco Style Emerald Cut Diamond and Sapphire Ring Pacific Ring GS168
Add to cart

Art Deco Style Emerald Cut Diamond and Sapphire Platinum Pacific Ring

RESERVED
Asscher cut center diamond with sapphire halo ring Fleetwood ring 16394 TV
Add to cart

GIA 0.50ct Asscher Cut Diamond Sapphire Halo Fleetwood Ring

$4,000
0.52ct Asscher Cut Diamond Halo Ring - Neston Ring 14580 TV
GIA Certified Asscher Cut Diamond Ring - Neston Ring 14580 TSV
Add to cart

GIA Certified 0.52ct Asscher Cut Diamond and Emerald Ring. Atlanta Ring

$5,800
Platinum 0.50ct Emerald Cut Diamond Halo Hamilton Ring 14825
Platinum 0.50 carat Emerald Cut Diamond Halo Hamilton Ring 14825
Add to cart

Platinum 0.50ct Emerald Cut Diamond Halo Hamilton Ring

$5,300
12715 Wheaton Ring Top View Diamond on Platinum Engagement Ring
Wheaton Engagement Ring that centers an old European cut diamond 12715
Add to cart

0.59ct Old European Cut Diamond Wheaton Ring

$3,800
Antique Art Deco Three Stone Ring - Clermont Ring 14358 TV
Art Deco Diamond Platinum Cocktail Ring - Clermont Ring 14358 TSV
Add to cart

Art Deco Era Old Euro Clermont Ring. Antique, Circa 1920

$2,800
Emerald Cut Diamond and Platinum Ring - Berkshire Ring
0.51ct Emerald Cut Diamond Engagement Ring - Berkshire Ring
Add to cart

GIA 0.50ct Diamond and Diamond Halo Platinum Berkshire Ring

$4,700
Diamond And Onyx Engagement Ring Platinum Mounting 14183-Top View-1000PX
Platinum Mounting Onyx and Diamond Engagement Ring 14183-TSV-1000PX
Add to cart

0.42ct Diamond and Onyx Halo Waverly Ring

$3,500
0.50 carat Diamond on Platinum Engagement Ring Top View 15344
Top Side View Prong-Set Round Brilliant Cut Diamond on Platinum Ring 15344
Add to cart

0.50ct Diamond on Platinum Solitaire Orillia Ring

$3,000
0.50ct Emerald Cut GIA Diamond Platinum Oxford Ring 15194
0.50ct Emerald Cut center diamond GIA Diamond Platinum Oxford Ring 15194
Add to cart

0.50ct Emerald Cut GIA Diamond Platinum Oxford Ring

$5,000
0.50 carat marquise cut diamond halo platinum Haskell Ring 16231 TV
0.50ct Marquise Cut Diamond diamond Halo Haskell Ring 16231 TSV
Add to cart

0.50ct Marquise Cut Diamond Halo Haskell Ring

$3,500
0.50 carat antique marquise cut diamond sapphire halo Navan Ring 16230 TV
0.50 carat Marquise Diamond and Sapphire Halo Navan Ring 16230 TSV
Add to cart

0.50ct Marquise Diamond and Sapphire Halo Navan Ring

$4,500
Top View Floral-Style Diamond on Platinum Engagement Ring 15525
Top Side View Platinum Floral Cluster Engagement Ring 15525
Add to cart

0.50ct Rose-Cut Diamond Floral Cluster Libourne Ring

$4,000
0.52 Diamond Engagement Ring with Diamond and Ruby Halo 13046 TV
Side View 0.52ct Diamond Engagement Ring with Diamond and Ruby Halo 13046 TSV
Add to cart

0.52ct Diamond and Double Halo Platinum Braganca Ring

$5,200
Top View Antique Cushion Cut Diamond Engagement Ring 15548
Top Side View 0.58 carat Diamond with Diamond Halo Ring 15548
Add to cart

0.58ct Antique Cushion-Cut Diamond Engagement Sinetta Ring

$4,300
Top View Double Halo of Rubies and Diamonds Ironton Ring 14057
0.58 carats Antique Cushion-Cut Diamond Engagement Ring Top Side View 14057
Add to cart

0.58ct Diamond and Double Halo Platinum Ironton Ring

$4,500