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Our friendly Diamond Concierge Team is available to answer any questions you may have, help you choose a spectacular lab diamond, and customize this engagement ring to your exact specifications.

Not sure what size halo is best? <a href="/inquire">Please inquire</a> and a Diamond Concierge will be happy to discuss with you.

Always custom created, never mass-produced. We proudly craft all of our engagement rings in the USA.

Visit <a href="/visit">one of our showrooms</a> or join the thousands of clients around the world who work with us <a href="/diamond-concierge-process">entirely virtually</a>.

<p style="--tw-backdrop-blur:;--tw-backdrop-brightness:;--tw-backdrop-contrast:;--tw-backdrop-grayscale:;--tw-backdrop-hue-rotate:;--tw-backdrop-invert:;--tw-backdrop-opacity:;--tw-backdrop-saturate:;--tw-backdrop-sepia:;--tw-blur:;--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-brightness:;--tw-contrast:;--tw-drop-shadow:;--tw-gradient-from-position:;--tw-gradient-to-position:;--tw-gradient-via-position:;--tw-grayscale:;--tw-hue-rotate:;--tw-invert:;--tw-numeric-figure:;--tw-numeric-fraction:;--tw-numeric-spacing:;--tw-ordinal:;--tw-pan-x:;--tw-pan-y:;--tw-pinch-zoom:;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-inset:;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-ring-offset-width:0px;--tw-ring-shadow:0 0 #0000;--tw-rotate:0;--tw-saturate:;--tw-scale-x:1;--tw-scale-y:1;--tw-scroll-snap-strictness:proximity;--tw-sepia:;--tw-shadow-colored:0 0 #0000;--tw-shadow:0 0 #0000;--tw-skew-x:0;--tw-skew-y:0;--tw-slashed-zero:;--tw-translate-x:0;--tw-translate-y:0;-webkit-text-stroke-width:0px;background-color:rgb(255, 255, 255);border:0px solid rgb(229, 231, 235);box-sizing:border-box;color:rgb(41, 41, 41);font-family:__vito_823815, __vito_Fallback_823815, sans-serif;font-size:medium;font-style:normal;font-variant-caps:normal;font-variant-ligatures:normal;font-weight:400;letter-spacing:normal;margin-bottom:0px;margin-right:0px;margin-top:0px;orphans:2;text-align:start;text-decoration-color:initial;text-decoration-style:initial;text-decoration-thickness:initial;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;">We proudly cast and hand-set our engagement rings in the USA to our clients' exact specifications. Our knowledgeable, yet approachable Diamond Concierge Team are happy to discuss all the options below, along with any other customizations you may seek, upon receipt of your inquiry.&nbsp;<p style="--tw-backdrop-blur:;--tw-backdrop-brightness:;--tw-backdrop-contrast:;--tw-backdrop-grayscale:;--tw-backdrop-hue-rotate:;--tw-backdrop-invert:;--tw-backdrop-opacity:;--tw-backdrop-saturate:;--tw-backdrop-sepia:;--tw-blur:;--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-brightness:;--tw-contrast:;--tw-drop-shadow:;--tw-gradient-from-position:;--tw-gradient-to-position:;--tw-gradient-via-position:;--tw-grayscale:;--tw-hue-rotate:;--tw-invert:;--tw-numeric-figure:;--tw-numeric-fraction:;--tw-numeric-spacing:;--tw-ordinal:;--tw-pan-x:;--tw-pan-y:;--tw-pinch-zoom:;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-inset:;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-ring-offset-width:0px;--tw-ring-shadow:0 0 #0000;--tw-rotate:0;--tw-saturate:;--tw-scale-x:1;--tw-scale-y:1;--tw-scroll-snap-strictness:proximity;--tw-sepia:;--tw-shadow-colored:0 0 #0000;--tw-shadow:0 0 #0000;--tw-skew-x:0;--tw-skew-y:0;--tw-slashed-zero:;--tw-translate-x:0;--tw-translate-y:0;-webkit-text-stroke-width:0px;background-color:rgb(255, 255, 255);border:0px solid rgb(229, 231, 235);box-sizing:border-box;color:rgb(41, 41, 41);font-family:__vito_823815, __vito_Fallback_823815, sans-serif;font-size:medium;font-style:normal;font-variant-caps:normal;font-variant-ligatures:normal;font-weight:400;letter-spacing:normal;margin-bottom:0px;margin-right:0px;margin-top:0px;orphans:2;text-align:start;text-decoration-color:initial;text-decoration-style:initial;text-decoration-thickness:initial;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;">Not sure exactly what you or your partner wants? No problem! Please feel free to inquire and we're happy to guide you through the process. <a style="--tw-backdrop-blur:;--tw-backdrop-brightness:;--tw-backdrop-contrast:;--tw-backdrop-grayscale:;--tw-backdrop-hue-rotate:;--tw-backdrop-invert:;--tw-backdrop-opacity:;--tw-backdrop-saturate:;--tw-backdrop-sepia:;--tw-blur:;--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-brightness:;--tw-contrast:;--tw-drop-shadow:;--tw-gradient-from-position:;--tw-gradient-to-position:;--tw-gradient-via-position:;--tw-grayscale:;--tw-hue-rotate:;--tw-invert:;--tw-numeric-figure:;--tw-numeric-fraction:;--tw-numeric-spacing:;--tw-ordinal:;--tw-pan-x:;--tw-pan-y:;--tw-pinch-zoom:;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-inset:;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-ring-offset-width:0px;--tw-ring-shadow:0 0 #0000;--tw-rotate:0;--tw-saturate:;--tw-scale-x:1;--tw-scale-y:1;--tw-scroll-snap-strictness:proximity;--tw-sepia:;--tw-shadow-colored:0 0 #0000;--tw-shadow:0 0 #0000;--tw-skew-x:0;--tw-skew-y:0;--tw-slashed-zero:;--tw-translate-x:0;--tw-translate-y:0;border:0px solid rgb(229, 231, 235);box-sizing:border-box;color:inherit;text-decoration-color:inherit;text-decoration-line:underline;text-decoration-style:inherit;text-decoration-thickness:inherit;" href="/diamond-concierge-process">Learn more</a> about our engagement ring purchasing experience.

Setting Price as Currently Configured

PDP ER - Setting Price as Currently Configured

Free US Shipping fully insured with signature required to a residence, business address, or Fedex Office. Purchases over $15,000 will ship FedEx Priority Overnight. Purchases of less than $15,000 will ship Fedex Two Day. International Shipping to 69 countries, fully insured. International shipping fees start at $75 USD.

When it comes to durability and having an engagement ring that stands the test of time, platinum is our recommended choice for a white metal.

Oval Classic Four Prong Solitaire - Ada Diamonds

Not sure what style your sweetheart desires? Ensure your proposal is a complete surprise! A non-customized version of this setting qualifies for our <a href="/proposal-settings">Proposal Setting program</a>.

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Read Our <a href="/frequently-asked-questions-about-lab-grown-diamonds">Frequently Asked Questions</a>See Our <a href="/buy-lab-diamonds">Diamond Pricing</a>

New to Lab Diamonds?

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A Purchase This Important Deserves&nbsp;an <a href="/ada-vs-competition">Impeccable Buying Experience</a>

Why Choose Ada Diamonds?

Shop <a href="/wedding-bands">Wedding Bands</a> Shop <a href="/mens-wedding-bands">Men’s Bands</a>

From Will You? to _I Do_!

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Ada was founded by a husband-wife team. <a href="/about-ada-diamonds">Our Genesis</a> &amp; <a href="/ethical-supply-chains">Our Values</a>

Grown From Love

Founders of Ada Diamonds Sitting on a Beach at Sunset

Ready to Begin Your Concierge Experience?

Engagement Modal Form

Ada Diamonds specializes in large, sensational diamonds of superlative quality. Our diamonds are cut from the highest purity diamond crystals, have optimal cut and sparkle, and are always eye clean. Much like mined diamonds, lab diamonds are priced based on their quality characteristics. Use the tool below to understand our pricing:

Ada Diamonds is the Leading Luxury Purveyor of Lab Diamonds

Asscher Classic Four Prong Solitaire

Round Classic Four Prong Solitaire

Cushion Classic Four Prong Solitaire

Emerald Classic Four Prong Solitaire

Princess Classic Four Prong Solitaire

Radiant Classic Four Prong Solitaire

Oval Classic Four Prong Pavé Setting

Exceptional Quality Created Diamonds Oval Classic Four Prong Solitaire Diamond Engagement Ring in White Gold (Main View)

White Gold Oval Classic Four Prong Solitaire featuring Lab Diamonds (Profile View)

Lab Diamonds Oval Classic Four Prong Solitaire in White Gold (Profile View)

High Quality 2.0 ctw Man Made Diamonds set in 14k Rose Gold Oval Classic Four Prong Solitaire (Profile View)

2.0 ct Lab Diamonds set in 18k Rose Gold Oval Classic Four Prong Solitaire (Profile View)

High Quality Lab Created Diamonds set in White Gold Oval Classic Four Prong Solitaire (Profile View)

Man Made Diamonds set in White Gold Oval Classic Four Prong Solitaire (Side View)

Diamonds set in Yellow Gold Oval Classic Four Prong Solitaire (Main View)

Yellow Gold Oval Classic Four Prong Solitaire Diamond Engagement Ring featuring Lab Created Diamonds (Main View)

Yellow Gold Oval Classic Four Prong Solitaire Diamond Engagement Ring featuring Lab Diamonds (Main View)

Lab Diamonds Oval Classic Four Prong Solitaire Diamond Engagement Ring in Rose Gold (Main View)

Created Diamonds Oval Classic Four Prong Solitaire in Rose Gold (Main View)

Lab Diamonds set in Rose Gold Oval Classic Four Prong Solitaire (Main View)

High Quality Man Made Diamonds set in Rose Gold Oval Classic Four Prong Solitaire Diamond Engagement Ring (Main View)

18k Yellow Gold 1.5 Carat Oval Classic Four Prong Lab Diamond Solitaire Engagement Ring in 18k Yellow Gold Ada Diamonds Design AD-327 Macro

18k Yellow Gold 1.5 Carat Oval Classic Four Prong Lab Diamond Solitaire Engagement Ring in 18k Yellow Gold Ada Diamonds Design AD-327 Profile

14k Yellow Gold 3 Carat Oval Lab Diamond Classic Four Prong Solitaire Ada Diamonds Design AD-327 Profile

14k yellow gold 3 ct oval classic four prong manmade diamond solitaire engagement ring ada diamonds design ad 327 profile view

18k Yellow Gold 2 Carat Oval Lab Diamond Classic Four Prong Solitaire Ada Diamonds Design AD-327 Profile

18k White Gold 2 Carat Oval Lab Created Diamond Classic Solitaire Engagement Ring Ada Diamonds Design AD-327 Macro

14k White Gold 2ct Oval Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-327 Profile

2.5ct Lab Created Diamond Oval Solitaire White Gold Ada Diamonds Design AD-327 Profile View

3 carat oval lab diamond classic solitaire engagement ring white gold ada diamonds design ad 327 profile

2ct Platinum Oval Classic Four Prong Solitaire with Lab Created Diamond Ada Diamonds Design AD-327 Profile

1.25ct oval in classic solitaire yellow gold

Platinum 1.5ct Oval Lab Diamond Classic Solitaire Engagement Ring Ada Diamonds Design AD-327 on Model

1.75ct Oval Classic Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-327 on Model

White Gold 2.25ct Oval Manmade Diamond Solitaire Engagement Ring Ada Diamonds Design AD-327 on Model

Platinum 2.5ct Oval Lab Grown Diamond Solitaire Ada Diamonds Design AD-327 on Model

3ct oval lab diamond in two-tone solitaire

oval lab created solitaire engagement ring

2ct Oval Classic Solitaire Lab Diamond Engagement Ring with Diamond Collar White Gold | Ada Diamonds

1.5 ct Oval Classic Four Prong Lab Diamond Solitaire in White Gold Profile View | Ada Diamonds

3 ct Oval Lab Diamond Classic Four Prong Solitaire Engagement Ring in 14k Yellow Gold | Ada Diamonds

Your Choice of Gold: $1,250 USD Platinum &amp; Two-Tone: $1,500 USD Pricing is for setting only - center stone priced separately.

Classic and timeless, this setting features four prongs for maximum security. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm. 