White Default Shadow

Starting at price assumes a matched pair of F+ VS2+ lab diamonds in 14k. Exact carat weights may vary.Want bigger diamonds? Prefer to pick your own matched pair? Our friendly Diamond Concierge are here to assist you. <a href="/inquire">Inquire</a> to get started or learn more about our exclusive<a href="/diamond-concierge-process" target="_blank" rel="noopener noreferrer"> Concierge Experience</a>.

Starting at price assumes a F+ VS2+ lab diamond in 14k. Exact carat weights may vary.Want a bigger diamond? Prefer to pick your own? Our friendly Diamond Concierge are here to assist you. <a href="/inquire">Inquire</a> to get started or learn more about our exclusive<a href="/diamond-concierge-process"> Concierge Experience</a>.

Features DEF VS lab grown diamonds set in 14k. Carat weights are approximate.

Starting at price assumes DEF VS lab grown diamonds set in 14k. Carat weights are approximate.

Starting at price assumes a matched pair of F+ VS2+ lab diamonds in 14k. Exact carat weights may vary.&nbsp;

Starting at price assumes a matched pair of F+ VS2+ lab diamonds with DEF VS lab grown melee set with in 14k. Exact carat weights may vary.

Starting at price assumes a F+ VS2+ lab diamond. Exact carat weights may vary.

Starting at price assumes a F+ VS2+ lab diamond with DEF VS lab grown melee in 14k. Exact carat weights may vary.&nbsp;

Starting at price assumes DEF/VS lab grown diamonds in sizes 5-6 set in your choice of gold. Additional setting fee for platinum: $300. Diamond sizes and weights are approximate and subject to availability.

Starting at pricing assumes 14k yellow, 14k rose, 18k white, 18k yellow, or 18k rose gold in sizes 7-10. Pricing is for the setting only - center stone priced separately.All of Ada's solitaire settings are fully bespoke and made to order. Want to customize this ring to meet your needs? No problem. Our friendly Diamond Concierge are here to help you create the perfect ring.

Custom bands feature DEF/VS lab grown diamonds. Diamond sizes and weights are approximate and subject to availability. Please note that all custom bands of 4mm or wider are final sale and not eligible for return or re-size.

Available in our light comfort fit (~1.75mm height) and standard comfort fit (~2.2mm height). The two most popular widths for men are 5mm and 6mm. Starting at pricing assumes 18k white, yellow, or rose gold in light comfort fit in sizes 7-10. Additional costs: Platinum +$300 USD, standard weight +$400 USD. Available discounts: 14k yellow or rose gold -$200 USD; 4mm -$200 USD.Comparison shopping? The depth or height of the band contributes to the pricing of metal bands. Ada’s light comfort fit depth may be referred to as “mid weight” or even “heavy weight” by other brands. We believe your wedding band should feel comfortable, yet substantial.

Available in standard comfort fit (~1.9mm height). The two most popular widths for men are 5mm and 6mm. Starting at pricing assumes 18k white, yellow, or rose gold in comfort fit in sizes 7-10. Additional costs: Platinum +$300 USD. Available discounts: 14k yellow or rose gold -$200 USD; 4mm -$200 USD.Comparison shopping? The depth or height of the band contributes to the pricing of metal bands. We believe your wedding band should feel comfortable, yet substantial.

Starting at price assumes DEF/VS lab grown diamonds in sizes 5-6 set in your choice of gold. Additional setting fee for platinum: $300. Carat weights are approximate.

Starting at pricing assumes 14k yellow or rose gold in standard comfort fit in sizes 4-7.Note: Metal bands are not custom cast and are available as off-the-shelf items for expediency and cost. As a result, this ring may have very slight differences in color for yellow and rose gold from custom cast pieces. If you are interested in a custom cast band to accompany your wedding band set, please inquire.Comparison shopping? The depth or height of the band contributes to the pricing of metal bands. We believe your wedding band should feel comfortable, yet substantial.

Looking to purchase a single earring? We're happy to sell individually. Please inquire and a member of our Diamond Concierge Team will be happy to help.

Interested in another metal? Please inquire.

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>.

Our friendly Diamond Concierge Team is available to answer any questions, help you choose the perfect {{Jewelry_Type_Clean}}, or customize this design to your exact specifications. &nbsp;

This design is only available in a single carat weight. Please inquire if you would like to customize this design.

Setting Price as Currently Configured

PDP ER - Setting Price as Currently Configured

_Secret Sale_ Details

Limited quantities available. Secret Sale items may only be exchanged or returned for store credit and are not eligible for a refund.

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.

Set with friction posts and tension backs. Screw backs available upon request.&nbsp;

Lab diamonds of 0.70ct or larger are guaranteed to come with IGI, GCAL, or GIA grading reports. Lab diamonds smaller than 0.70ct may not be graded but have been assessed by Ada Diamonds staff.&nbsp;

Planning to wear this next to an engagement ring? Consider a <a href="/jewelry/spacer-band-295">Spacer Band</a> to protect your prongs.

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.

Shop <a href="/ready-to-ship-jewelry">Ready to Ship Jewelry</a>Delivered as Soon as Tomorrow

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

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Always Custom, Always Conscious Shop <a href="/engagement-rings-and-wedding-bands">Engagement Rings</a>

Bespoke Bridal

<a href="/ada-diamonds-reviews">Read Real Reviews</a> fromClients Just Like You

Customer Reviews

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Regular Jewelry Modal

Your Choice of Gold: 2.0mm (0.40ctw): $2,150 USD2.2mm (0.45ctw): $2,250 USD2.4mm (0.55ctw): $2,350 USD2.7mm (0.80ctw): $2,500 USD3.0mm (1.0ctw): $2,700 USD

Your Choice of Gold: 2.0mm (0.40ctw): $2,150 USD2.2mm (0.45ctw): $2,250 USD2.4mm (0.55ctw): $2,350 USD2.7mm (0.80ctw): $2,500 USD3.0mm (1.0ctw): $2,700 USD Starting at price assumes DEF/VS lab grown diamonds in sizes 5-6. Platinum available for an additional $300 fee. Carat weights are approximate. This band can also be made with three quarter or eternity coverage. <a href="https://adadiamonds.com/inquire" target="_blank">Inquire</a> for more information.

Lab Diamond Half Eternity Wedding Ring AD-109

14k Yellow Gold Lab Diamond Half Eternity Band Ada Diamonds Design AD-109 Macro

Shared Prong Half Band

Shared Prong Half Band Lab Diamond Wedding Band Rendering In Front View AD109

Shared Prong Half Band Lab Diamond Wedding Band Rendering In Yellow Gold In Front View AD109

A lovely lab diamond half eternity band featuring conflict-free diamonds set in a shared prong style. Available options: platinum, 14k or 18k gold: white, yellow, rose. All of Ada's bridal pieces are fully bespoke and made to order with sustainable, conflict free diamonds hand selected for quality, fire and brilliance.

A dainty conflict-free wedding band featuring a half band of lab grown diamonds set in a shared prong style.

Shared Prong Half Band Lab Diamond Wedding Band Rendering In Profile View AD109

14k Yellow Gold Lab Diamond Shared Prong Half Band Ada Diamonds Design AD-109 Artistic

14k Yellow Gold Round Brilliant Lab Diamond Wedding Band Ada Diamonds Design AD-109 Profile

Shared Prong Half Band Lab Diamond Wedding Band AD109

Shared Prong Half Band Lab Created Diamond Wedding Band AD109

Shared Prong Half Band Lab Grown Diamond Wedding Band AD109

Shared Prong Half Band Manmade Diamond Wedding Band AD109

Lab Diamond Shared Prong Half Eternity Band Ada Diamonds AD-109

Platinum Lab Diamond Wedding Set with Round Four Prong Pavé Engagement Ring and Shared Prong Half Eternity Band Ada Diamonds Design AD-109 and AD-149 Artistic

Platinum 2.75 Lab Created Diamond Round Classic Four Prong Pavé Engagement Ring and Lab Diamond Half Band Ada Diamonds Design AD-149 and AD-109 in Box

Platinum Wedding Set with 2.75 Carat Round Lab Diamond Classic Pavé Engagement Ring and Shared Prong Wedding Band Ada Diamonds Design AD-149 and AD-109 on Model

platinum lab diamond shared prong half eternity band ada diamonds design ad 109 on model

Wedding Set in Platinum with Oval Petite Four Prong Solitaire and 2.2mm Shared Prong Wedding Band Ada Diamonds Design AD-143 and AD-109 on Model

yellow gold round lab diamond shared prong half eternity band ada diamonds design ad-109 on model

yellow gold half band 2.7mm round man made diamond wedding band ada diamonds design number 109

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