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Since 1986 · Custom Design Your Dream Ring

Round Cut Engagement Rings

Discover why the round brilliant cut remains the world’s most iconic diamond shape. Explore handcrafted round engagement rings at Jewelry Couture in Ventura, CA, featuring solitaires, halos, and split-shanks. Enjoy complimentary ring sizing on every order.

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Simon G. LR2599 Full Diamond Shank Round Engagement Ring in 18K Gold

Simon G. LR2599 Full Diamond Shank Round Engagement Ring in 18K Gold

From $6,760.00 USD

Simon G. LR2989 Diamond Rich Round Engagement Ring in 18K White Gold

Simon G. LR2989 Diamond Rich Round Engagement Ring in 18K White Gold

Simon G. LR3180 Infinity Twist Round Diamond Engagement Ring in 18K White Gold

Simon G. LR3180 Infinity Twist Round Diamond Engagement Ring in 18K White Gold

Simon G. LR3181 Criss-Cross Twist Baguette Diamond Engagement Ring in 18K White Gold

Simon G. LR3181 Criss-Cross Twist Baguette Diamond Engagement Ring in 18K White Gold

Simon G. LR3182 Split Shank Twist Round Diamond Engagement Ring in 18K White Gold

Simon G. LR3182 Split Shank Twist Round Diamond Engagement Ring in 18K White Gold

Simon G. LR3184 Criss-Cross Round Diamond Engagement Ring in 18K Yellow Gold

Simon G. LR3184 Criss-Cross Round Diamond Engagement Ring in 18K Yellow Gold

Simon G. LR3183 Art Deco Swirl Round Diamond Engagement Ring in 18K White Gold

Simon G. LR3183 Art Deco Swirl Round Diamond Engagement Ring in 18K White Gold

Simon G. LR2600 Round Diamond Bold Modern Engagement Ring in 18K Gold

Simon G. LR2600 Round Diamond Bold Modern Engagement Ring in 18K Gold

LR2600 WHITE 18K SEMI 1

Simon G. LR2600 Round Diamond Bold Modern Engagement Ring in 18K Gold

From $9,330.00 USD

Simon G. LR2507-RD Round Diamond Half-Pave Engagement Ring in 18K Gold

Simon G. LR2507-RD Round Diamond Half-Pave Engagement Ring in 18K Gold

LR2507-RD_WHITE_18K_SEMI_ROSE

Simon G. LR2507-RD Round Diamond Half-Pave Engagement Ring in 18K Gold

Simon G. LR2489 Round-cut Halo Engagement Ring in 18k Gold with Diamonds

Round-Cut Halo Engagement Ring In 18k Gold With Diamonds

From $6,960.00 USD

Simon G. MR3005 Round-cut Split-Shank Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

Simon G. MR3005 Round-cut Split-Shank Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

MR3005_WHITE_18K_SEMI

Round-cut Split-Shank Engagement Ring & Matching Wedding Band in 18k Gold with Diamonds

From $7,130.00 USD

Simon G. LR2596 Round-cut Engagement Ring in 18k Gold with Diamonds

Simon G. LR2596 Round-cut Engagement Ring in 18k Gold with Diamonds

LR2596 WHITE 18K SEMI YELLOW

Round-Cut Engagement Ring In 18k Gold With Diamonds

From $4,910.00 USD

Simon G. LR2569 Round-cut Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

Simon G. LR2569 Round-cut Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

LR2569 WHITE 18K SET 1

Round-cut Engagement Ring & Matching Wedding Band in 18k Gold with Diamonds

From $6,600.00 USD

Simon G. Round-cut Engagement Ring in 18k Gold with Diamonds

Simon G. Round-cut Engagement Ring in 18k Gold with Diamonds

Round-Cut Engagement Ring In 18k Gold With Diamonds

Round-Cut Engagement Ring In 18k Gold With Diamonds

From $8,760.00 USD

Simon G. LR2853 Round-cut Criss-Cross Engagement Ring in 18k Gold with Diamonds

Simon G. LR2853 Round-cut Criss-Cross Engagement Ring in 18k Gold with Diamonds

Round-Cut Criss-Cross Engagement Ring In 18k Gold With Diamonds In-Store

Simon G. LR2886 Round-cut Three-Stone Engagement Ring in 18k Gold with Diamonds

Simon G. LR2886 Round-cut Three-Stone Engagement Ring in 18k Gold with Diamonds

LR2886 WHITE 18K SEMI WHITE-ROSE

Round-Cut Three-Stone Engagement Ring In 18k Gold With Diamonds

From $4,430.00 USD

Simon G. MR1546-D Round-cut Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

Simon G. MR1546-D Round-cut Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

MR1546-D_WHITE_18K_SEMI

Round-cut Engagement Ring & Matching Wedding Band in 18k Gold with Diamonds

From $2,750.00 USD

Simon G. Round-cut Engagement Ring in 18k Gold with Diamonds

Round-Cut Engagement Ring In 18k Gold With Diamonds

From $5,590.00 USD

Simon G. MR2548 Round-cut Engagement Ring in 18k Gold with Diamonds

Simon G. MR2548 Round-cut Engagement Ring in 18k Gold with Diamonds

MR2548 WHITE 18K SEMI 1

Round-Cut Engagement Ring In 18k Gold With Diamonds

From $5,500.00 USD

Simon G. LR2625-A Round-cut Halo Engagement Ring in 18k Gold with Diamonds

Round-Cut Halo Engagement Ring In 18k Gold With Diamonds

Simon G. LR3122 Round-cut Three-Stone Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

Simon G. LR3122 Round-cut Three-Stone Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

LR3122 WHITE 18K BAND WHITE

Round-cut Three-Stone Engagement Ring & Matching Wedding Band in 18k Gold with Diamonds

Simon G. LR3230 Round-cut Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

Round-cut Engagement Ring & Matching Wedding Band in 18k Gold with Diamonds

Simon G. LR3231 Round-cut Half-Halo Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

Round-cut Half-Halo Engagement Ring & Matching Wedding Band in 18k Gold with Diamonds

Simon G. LR3234 Round-cut Half-Halo Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

Round-cut Half-Halo Engagement Ring & Matching Wedding Band in 18k Gold with Diamonds

Simon G. LR4810 Round-cut Three-Stone Engagement Ring in 18k Gold with Diamonds

Round-Cut Three-Stone Engagement Ring In 18k Gold With Diamonds

Simon G. LR3271 Round-cut Engagement Ring in 18k Gold with Diamonds

Round-Cut Engagement Ring In 18k Gold With Diamonds

Simon G. LR4794 Round-cut Engagement Ring in 18k Gold with Diamonds

Round-Cut Engagement Ring In 18k Gold With Diamonds

Simon G. LR3237 Round-cut Double Hidden Halo Engagement Ring in 18k Gold with Diamonds

Round-Cut Double Hidden Halo Engagement Ring In 18k Gold With Diamonds

Simon G. LR3136 Round-cut Engagement Ring in 18k Gold with Diamonds

Round-Cut Engagement Ring In 18k Gold With Diamonds

Simon G. LR3235 Round-cut Engagement Ring and Matching Wedding Band in 18k Gold with Diamonds

Round-cut Engagement Ring & Matching Wedding Band in 18k Gold with Diamonds

Simon G. LR3254 Round-cut Double Hidden Halo Engagement Ring in 18k Gold with Diamonds

Round-Cut Double Hidden Halo Engagement Ring In 18k Gold With Diamonds

Simon G. LR3364 Round-cut Micro-bezel Engagement Ring in 18k Gold with Diamonds

Round-cut Micro-bezel Engagement Ring in 18k Gold with Diamonds

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What you see online is only part of our collection. We have many more pieces in our showroom. Tell us what you're looking for, or get in touch with our team.

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