Cart (0)
3 Carat Round Cut Lab Grown Diamond Vintage Engagement Rings
Looking for a beautiful 3 Carat Round Cut Lab Grown Diamond Vintage Engagement Ring? We have done all the hard work for you. We have carefully curated some of our best selling settings and paired them with some of our best value diamonds. Don't find what you're looking for? Check out our full engagement ring collection and choose from over 250,000 diamonds.
14kt White Gold/round/top
The Ayla Halo
Featuring a unique octagonal design, the Halo engagement rings for women exude a breathtaking vibe that is hard to ignore. Set with emerald-cut diamonds, the ring is encrusted with a diamond halo that nuances the brilliance of the central gemstone. Just like your love, this diamond engagement ring represents a blend of everlasting and unforgettable moments. Exhibiting a unique architectural beauty that stems from vintage-inspired design elements, this engagement ring is truly one-of-a-kind. Adding to its delicate charm are the surprise diamonds artistically encrusted at the base of the gallery. This diamond engagement ring is indeed a symbol of your love that's unique and everlasting. Embodying youthful grandeur, the ring further features two marquise-shaped metal sections that safely encompass a round-cut diamond each. The simple metal band, polished to perfection, complements the gleaming precious metal and pristinely cut diamonds. Epitomizing vintage allure, this charming piece is the perfect pick from the vast choices of engagement rings for women. The Octagon Halo Diamond engagement rings for women exemplify tasteful style and remarkable craftsmanship. While its vintage-inspired design lends a unique charm, the diamond-studded halo vastly enhances its overall allure. Radiating timeless elegance and distinctive beauty, this ring is the ultimate representation of your unique love story. Read More
The Ayla Halo
Featuring a unique octagonal design, the Halo engagement rings for women exude a breathtaking vibe that is hard to ignore. Set with emerald-cut diamonds, the ring is encrusted with a diamond halo that nuances the brilliance of the central gemstone. Just like your love, this diamond engagement ring represents a blend of everlasting and unforgettable moments. Exhibiting a unique architectural beauty that stems from vintage-inspired design elements, this engagement ring is truly one-of-a-kind. Adding to its delicate charm are the surprise diamonds artistically encrusted at the base of the gallery. This diamond engagement ring is indeed a symbol of your love that's unique and everlasting. Embodying youthful grandeur, the ring further features two marquise-shaped metal sections that safely encompass a round-cut diamond each. The simple metal band, polished to perfection, complements the gleaming precious metal and pristinely cut diamonds. Epitomizing vintage allure, this charming piece is the perfect pick from the vast choices of engagement rings for women. The Octagon Halo Diamond engagement rings for women exemplify tasteful style and remarkable craftsmanship. While its vintage-inspired design lends a unique charm, the diamond-studded halo vastly enhances its overall allure. Radiating timeless elegance and distinctive beauty, this ring is the ultimate representation of your unique love story. Read More
The Ayla Halo / 3 CTW Round Lab Diamonds
Quickview
$3,360.00
14kt White Gold / Round / Ideal | F | SI1
The Ayla Halo / 3 CTW Round Lab Diamonds
Quickview
$3,635.00
14kt White Gold / Round / Ideal | G | SI1
The Ayla Halo / 3 CTW Round Lab Diamonds
Quickview
$3,755.00
14kt White Gold / Round / Ideal | J | VS2
The Ayla Halo / 3 CTW Round Lab Diamonds
Quickview
$3,290.00
14kt White Gold / Round / Ideal | F | SI1
The Ayla Halo / 3 CTW Round Lab Diamonds
Quickview
$3,479.00
14kt White Gold / Round / Ideal | G | VS2
Browse The Full Catalog
Looking for different ring styles or more diamonds? Shop our full collection of engagement rings.
SHOP NOW
The Cecile Halo
Introducing our Masterwork Cushion Halo Vaulted Milgrain Diamond Engagement Ring. Designed uniquely for all you stunning women out there seeking out lavish and distinctive engagement rings for women. This remarkable piece effortlessly embodies the blend of timeless class and contemporary charm, offering a vintage essence through its milgrain edges. Each feature of this vintage-style engagement ring reflects thoughtfulness and craftsmanship. The cushion-shaped milieu of pavé diamonds creates a halo, encapsulated subtly with milgrain detail. This distinctive feature not only enhances the overall brilliance of the ring but also lends a unique touch to it. Diamond engagement rings are unarguably the perfect symbol of love and commitment. Our Masterwork Cushion Halo Ring follows suit, with diamonds skillfully set in the band's sides and surprise diamonds at the base. Each diamond is set to radiate brilliance at every angle, making this masterpiece a celebration of love, commitment, and individuality. Choosing this ring means embracing a timeless symbol, radiating unique beauty and elegance. This piece is more than just an engagement ring; it is a narrative of your love story and an emblem of an effortlessly classic yet unique style statement. Ideal for women who appreciate vintage allure coupled with modern sophistication, this ring will undoubtedly make that special moment even more memorable. Read More
The Cecile Halo
Introducing our Masterwork Cushion Halo Vaulted Milgrain Diamond Engagement Ring. Designed uniquely for all you stunning women out there seeking out lavish and distinctive engagement rings for women. This remarkable piece effortlessly embodies the blend of timeless class and contemporary charm, offering a vintage essence through its milgrain edges. Each feature of this vintage-style engagement ring reflects thoughtfulness and craftsmanship. The cushion-shaped milieu of pavé diamonds creates a halo, encapsulated subtly with milgrain detail. This distinctive feature not only enhances the overall brilliance of the ring but also lends a unique touch to it. Diamond engagement rings are unarguably the perfect symbol of love and commitment. Our Masterwork Cushion Halo Ring follows suit, with diamonds skillfully set in the band's sides and surprise diamonds at the base. Each diamond is set to radiate brilliance at every angle, making this masterpiece a celebration of love, commitment, and individuality. Choosing this ring means embracing a timeless symbol, radiating unique beauty and elegance. This piece is more than just an engagement ring; it is a narrative of your love story and an emblem of an effortlessly classic yet unique style statement. Ideal for women who appreciate vintage allure coupled with modern sophistication, this ring will undoubtedly make that special moment even more memorable. Read More
The Cecile Halo / 3 CTW Round Lab Diamonds
Quickview
$7,172.00
14kt White Gold / Round / Ideal | F | SI1
The Cecile Halo / 3 CTW Round Lab Diamonds
Quickview
$7,447.00
14kt White Gold / Round / Ideal | G | SI1
The Cecile Halo / 3 CTW Round Lab Diamonds
Quickview
$7,567.00
14kt White Gold / Round / Ideal | J | VS2
The Cecile Halo / 3 CTW Round Lab Diamonds
Quickview
$7,102.00
14kt White Gold / Round / Ideal | F | SI1
The Cecile Halo / 3 CTW Round Lab Diamonds
Quickview
$7,291.00
14kt White Gold / Round / Ideal | G | VS2
Browse The Full Catalog
Looking for different ring styles or more diamonds? Shop our full collection of engagement rings.
SHOP NOW
The Marisa Halo
Discover the unique charm of our Masterwork Cushion Halo Triple Diamond Band Engagement Ring - an extraordinary example of elegance and timeless beauty. This handcrafted piece stands out among engagement rings for women, combining a vintage-inspired design with modern elegance in perfect harmony. The enchanting beauty is made even more captivating by the sparkling pavé diamonds accompanying the three bands. Elevate your journey of love with this splendid diamond engagement ring that embodies romance and style. From every angle, the radiant pavé diamonds will catch the light, creating a stunning display of brilliance. The unique features continue along the sides and beneath the setting, where the glow of additional pavé diamonds promises to mesmerize. Unveil the ultimate symbol of love with this vintage diamond engagement ring. Its heart lies in the superb cushion-shaped pavé diamond halo, enhanced further by eye-catching bezel-set surprise diamonds. Four double prongs carefully secure your chosen center stone, ensuring a reliable and resilient fit. This engagement ring for women, with its unique design and vintage allure, makes it a timeless treasure, offering an everlasting glow that effortlessly blends tradition with innovation. Experience the timeless allure of this diamond engagement ring. Its unique character, vintage inspiration, and exceptional craftsmanship make it the perfect embodiment of eternal love and commitment. A spectacular choice for those seeking unparalleled elegance, this Masterwork Cushion Halo Triple Diamond Band Engagement Ring will continually reaffirm your devotion with its radiant brilliance. Read More
The Marisa Halo
Discover the unique charm of our Masterwork Cushion Halo Triple Diamond Band Engagement Ring - an extraordinary example of elegance and timeless beauty. This handcrafted piece stands out among engagement rings for women, combining a vintage-inspired design with modern elegance in perfect harmony. The enchanting beauty is made even more captivating by the sparkling pavé diamonds accompanying the three bands. Elevate your journey of love with this splendid diamond engagement ring that embodies romance and style. From every angle, the radiant pavé diamonds will catch the light, creating a stunning display of brilliance. The unique features continue along the sides and beneath the setting, where the glow of additional pavé diamonds promises to mesmerize. Unveil the ultimate symbol of love with this vintage diamond engagement ring. Its heart lies in the superb cushion-shaped pavé diamond halo, enhanced further by eye-catching bezel-set surprise diamonds. Four double prongs carefully secure your chosen center stone, ensuring a reliable and resilient fit. This engagement ring for women, with its unique design and vintage allure, makes it a timeless treasure, offering an everlasting glow that effortlessly blends tradition with innovation. Experience the timeless allure of this diamond engagement ring. Its unique character, vintage inspiration, and exceptional craftsmanship make it the perfect embodiment of eternal love and commitment. A spectacular choice for those seeking unparalleled elegance, this Masterwork Cushion Halo Triple Diamond Band Engagement Ring will continually reaffirm your devotion with its radiant brilliance. Read More
The Marisa Halo / 3 CTW Round Lab Diamonds
Quickview
$10,635.00
14kt White Gold / Round / Ideal | F | SI1
The Marisa Halo / 3 CTW Round Lab Diamonds
Quickview
$10,910.00
14kt White Gold / Round / Ideal | G | SI1
The Marisa Halo / 3 CTW Round Lab Diamonds
Quickview
$11,030.00
14kt White Gold / Round / Ideal | J | VS2
The Marisa Halo / 3 CTW Round Lab Diamonds
Quickview
$10,565.00
14kt White Gold / Round / Ideal | F | SI1
The Marisa Halo / 3 CTW Round Lab Diamonds
Quickview
$10,754.00
14kt White Gold / Round / Ideal | G | VS2
Browse The Full Catalog
Looking for different ring styles or more diamonds? Shop our full collection of engagement rings.
SHOP NOW

3 Carat Round Cut Lab Grown Diamond Vintage Engagement Rings

Carat Weight

3 carat diamonds are bigger than the average engagement ring diamond and are sure to make a statement and impress your significant other. The large size of your diamond will be very noticeable and make it stand out among the others

Shape

Round cut diamonds (also called brilliant-cut diamonds) are revered for their classic shape and incredible sparkle. Cut with 58 facets — or 57, if there is no culet — the round shape was designed to produce as much sparkle as possible. As sparkle is what many people are looking for when they buy a diamond, round cuts are immensely popular.

60% of the diamonds in our inventory are round-shaped, making it easy for you to find the right one for your needs. Not only are round cut diamonds the most sparkly, but they are also the most popular diamond shape. However, because they are the most sparkly and the most popular, this makes them the most expensive diamond shape.

Round cut diamonds are perfect for custom jewelry, such as earrings and pendants. To make your round cut diamond appear even larger, choose a halo setting. Or let your round cut diamond stand out on its own in a solitaire setting.

Lab Grown Diamonds

Lab grown diamonds are real diamonds that are created in the lab instead of deep inside the earth's crust. They are physically, chemically, and visually identical to earth grown diamonds and are indistinguishable even by a trained gemologist.

The only difference between lab grown diamonds and earth grown diamonds is how they were created. Earth grown diamonds are created under high pressure and temperature deep under the earth's surface, while lab grown diamonds are created under high pressure and temperature(HPHT) in a lab

Lab grown diamonds are typically between 30 and 50 percent cheaper than earth grown diamonds! Therefore they have become a very popular choice for engagement ring, since you can get a bigger size diamond for your budget.

All Ritani lab grown diamonds are certified. Most of our lab grown diamonds are certified by IGI, the most respected independent lab diamond grading labaratory.

If you need help selecting your 3 Carat Round Cut Lab Grown Diamond Vintage Engagement Rings, reach out to us at 1-888-9RITANI or chat now.

Shop by Carat Weight

Frequently Asked Questions

  • How much does a 3 Carat Round Cut Lab Grown Diamond Vintage Engagement Rings cost?
    arrow

    A 3 Carat Round Cut Lab Grown Diamond Vintage Engagement Rings can cost anywhere between $4,100 and $33,500 depending on the 4 cs and the type of setting you choose. The median price is $9,200.