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5 Carat Lab Grown Diamonds

5 carat diamonds are the epitome of luxury. With its significant size, this diamond is an eye-catching piece suitable for any setting. We have a collection of lab-grown 5 carat diamonds with multiple varieties to help you find the perfect one for your unique setting. Whether you want an engagement ring or an anniversary gift, we can help you celebrate in style.

Quick Ship Diamonds
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Quick Ship Diamonds
Shop loose diamonds that ship in 2 days or less. Delivery dates may change if you add your diamond to a setting.
Best Value
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Best Value
Shop loose diamonds in our inventory that we have identified as being Best Value. Best price and balance of the 4C's on the market.
Ritani Reserve Ritani Reserve
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Ritani Reserve
Ritani Reserve Diamonds are an exclusive selection of diamonds that have the best cut which offers maximum sparkle. They reflect the most light, maximum brilliance, fire, and scintillation.
Shape
Shape influences the personality and price of a diamond.
Price
Many factors impact diamond price. With Ritani's Diamond Price Match Guarantee you can be confident you'll get the best price for a diamond. Tip: Tradition tells you to budget 2-3 months' salary for your ring. We say, just do you.
Carat
Carat is the measure of a diamond's weight and size. We offer an array of high-quality diamonds ranging from 0.18 to 25.00 carats- with 1.00 carat being the most popular.
Color
A diamond’s color grade actually measures how little color it reflects. To strike the best balance between cost and beauty, go for diamonds in the Near Colorless range: G, H, and I.
Clarity
Clarity indicates how many flaws are visible to the naked eye. Too many flaws can detract from a diamond's beauty.
Cut
Cut is the quality of a diamond’s proportions and symmetry. The better a diamond’s proportions and symmetry, the more sparkle it will produce. Cut is the most important of the 4 Cs.
Delivery Date
In a rush to get your diamond? Choose your ideal delivery date.
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Polish
A well-polished diamond will have excellent light return.
Fluorescence
Some diamonds glow blue or green when exposed to UV light. Since fluorescence is rarely visible, it has minimal impact on the appearance of your diamond. To save money, go for medium fluorescence.
Depth
Depth percentage correlates with a diamond's sparkle factor. It is measured by dividing the diamond height by its diameter. For maximum sparkle, the depth percentage of a round diamond should be between 54% and 66%.
Length/Width Ratio
The proportional relationship between your diamond’s length and width. A perfect round diamond would measure equally 1-to-1, so its LxW ratio would measure as 1.
Symmetry
Symmetry tells you how well a diamond’s facets align to create sparkle. Diamonds with perfect symmetry create the most sparkle and earn a grade of Excellent or Ideal.
Table
Table percentage tells you how big a diamond’s topmost facet (aka table) is in comparison to its diameter (aka girdle). When that ratio is in the right range, a diamond will sparkle more.
Culet
The culet is the point at the bottom of the diamond. If the point has a facet on it, it can stop light from reflecting and detract from the diamond's sparkle. Choose a diamond with no culet for optimum sparkle.
Certificate
All of Ritani’s natural diamonds are certified by either the GIA or AGSL, the industry’s two most respected grading labs.
Polish
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A well-polished diamond will have excellent light return.
Excellent
Very Good
Good
Fluorescence
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Some diamonds glow blue or green when exposed to UV light. Since fluorescence is rarely visible, it has minimal impact on the appearance of your diamond. To save money, go for medium fluorescence.
None
Faint
Depth
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Depth percentage correlates with a diamond's sparkle factor. It is measured by dividing the diamond height by its diameter. For maximum sparkle, the depth percentage of a round diamond should be between 54% and 66%.
Length/Width Ratio
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The proportional relationship between your diamond’s length and width. A perfect round diamond would measure equally 1-to-1, so its LxW ratio would measure as 1.
Symmetry
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Symmetry tells you how well a diamond’s facets align to create sparkle. Diamonds with perfect symmetry create the most sparkle and earn a grade of Excellent or Ideal.
Excellent
Very Good
Good
Table
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Table percentage tells you how big a diamond’s topmost facet (aka table) is in comparison to its diameter (aka girdle). When that ratio is in the right range, a diamond will sparkle more.
Culet
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The culet is the point at the bottom of the diamond. If the point has a facet on it, it can stop light from reflecting and detract from the diamond's sparkle. Choose a diamond with no culet for optimum sparkle.
None
Very Small
Medium
Slightly Large
Large
Certificate
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All of Ritani’s natural diamonds are certified by either the GIA or AGSL, the industry’s two most respected grading labs.
Lab Diamond Growth Process
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Lab diamonds are made using two processes, HPHT and CVD. Both mimic the natural process of earth diamonds. LEARN ABOUT LAB DIAMONDS

Quick Ship Diamonds
Tool Tip Icon
Quick Ship Diamonds
Shop loose diamonds that ship in 2 days or less. Delivery dates may change if you add your diamond to a setting.
Best Value
Tool Tip Icon
Best Value
Shop loose diamonds in our inventory that we have identified as being Best Value. Best price and balance of the 4C's on the market.
Ritani Reserve Ritani Reserve
Tool Tip Icon
Ritani Reserve
Ritani Reserve Diamonds are an exclusive selection of diamonds that have the best cut which offers maximum sparkle. They reflect the most light, maximum brilliance, fire, and scintillation.
5.12 Carat Round Lab Diamond
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5.44 Carat Round Lab Diamond
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4.96 Carat Emerald Lab Diamond
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30% OFF LAB GROWN DIAMONDS! Use code DIAMOND30
5.00 Carat Emerald Lab Diamond
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5.06 Carat Emerald Lab Diamond
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4.98 Carat Emerald Lab Diamond
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5.01 Carat Emerald Lab Diamond
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GEMOLOGIST PICKS
These diamonds were hand picked by our in house gemologists who focus on balancing the 4 C's and best value pricing. Our gemologists are always here to help you find the diamond of your dreams. Chat Now
5.09 Carat Round Lab Diamond
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Chat with a gemologist
Did you know?
You can connect with a commission free gemologist instantly and receive a live diamond inspection on any diamond. You can also connect and shop together and compare up-to three diamonds at a time instantly. Try it out. Start your diamond concierge consultation today.
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30% OFF LAB GROWN DIAMONDS! Use code DIAMOND30
5.01 Carat Emerald Lab Diamond
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5.01 Carat Emerald Lab Diamond
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5.04 Carat Emerald Lab Diamond
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5.05 Carat Emerald Lab Diamond
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5.06 Carat Emerald Lab Diamond
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5.07 Carat Emerald Lab Diamond
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5.09 Carat Emerald Lab Diamond
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5.09 Carat Emerald Lab Diamond
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5.02 Carat Emerald Lab Diamond
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5.03 Carat Emerald Lab Diamond
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5.06 Carat Emerald Lab Diamond
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5.01 Carat Emerald Lab Diamond
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5.01 Carat Emerald Lab Diamond
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5.08 Carat Emerald Lab Diamond
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5.08 Carat Emerald Lab Diamond
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5.04 Carat Emerald Lab Diamond
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5.05 Carat Emerald Lab Diamond
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5 carat diamonds are the epitome of luxury. With its significant size, this diamond is an eye-catching piece suitable for any setting. We have a collection of lab-grown 5 carat diamonds with multiple varieties to help you find the perfect one for your unique setting. Whether you want an engagement ring or an anniversary gift, we can help you celebrate in style.

Our Selection of 5 Carat Diamonds

At Ritani, we love individuality and offer our clients diamonds that reflect their unique styles. Our 5 carat lab-grown diamonds are priced according to their clarity, color and cut, so you can always find an ideal diamond. We have the heart-shaped diamond for the timeless romantics — and if you want vintage elegance, the marquise is your shape.

You can use our interactive design studio to create the perfect 5 carat lab-grown diamond engagement ring with our lab-grown diamonds, and our team will make it a reality.

Why Choose Ritani

When you buy diamonds from Ritani, you choose expertise backed by experience. Since 1999, we have pushed the boundaries of jewelry creation, handcrafting over 1 million engagement rings for couples worldwide. Our clients keep coming back thanks to our exceptional collection and transparency. We believe the best way to foster trust with our clients is to be completely transparent with our pricing — no hidden fees.

Find the Best 5 Carat Diamonds

Whether you need loose diamonds for your restoration project or the perfect ring for your better half, we can help. Browse our line of 5 carat diamonds or contact us, and we can help you find your ideal diamond.

If you need help selecting your 5 Carat Lab Grown Diamonds, reach out to us at 1-888-9RITANI or chat now.

Frequently Asked Questions

  • Are 5-carat lab-grown diamonds available in different shapes?
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    Yes, 5-carat lab-grown diamonds are available in various shapes including round, cushion, princess, asscher, oval, emerald, radiant, heart, pear, and marquise.
  • Can I customize the setting for a 5-carat lab-grown diamond?
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    Yes, you can customize the setting for a 5-carat lab-grown diamond by selecting your preferred setting style and metal on Ritani's website.
  • Can I insure my 5-carat lab-grown diamond ring?
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    Yes, you can insure your 5-carat lab-grown diamond ring just like any other piece of valuable jewelry.
  • Can I view 5-carat lab-grown diamonds before purchasing?
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    Yes, you can view 5-carat lab-grown diamonds through Ritani s "Try Before You Buy" program, where you can schedule an in-person preview with a Preview Specialist.
  • Do 5-carat lab-grown diamonds come with a certification?
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    Yes, all 5-carat lab-grown diamonds at Ritani are certified by reputable gemological laboratories such as GIA, IGI, or AGS.
  • How do I care for a 5-carat lab-grown diamond ring?
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    To care for a 5-carat lab-grown diamond ring, clean it regularly with a mild soap solution and a soft brush, avoid harsh chemicals, and store it safely when not in use. Regular professional inspections and cleanings are also recommended.
  • Is there a warranty on 5-carat lab-grown diamond rings?
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    Yes, Ritani offers a lifetime warranty on all engagement rings and wedding bands, including those with 5-carat lab-grown diamonds, covering manufacturing defects.
  • What is the price range for 5-carat lab-grown diamonds at Ritani?
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    The price range for 5-carat lab-grown diamonds at Ritani varies based on the diamond's quality, including its cut, color, clarity, and certification. Prices typically start from around $20,000 and can go up significantly.
  • What is the return policy for 5-carat lab-grown diamonds?
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    Ritani offers a 30-day return policy for 5-carat lab-grown diamonds, provided the items are in their original condition and accompanied by all documentation.
  • What settings are best for 5-carat lab-grown diamonds?
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    The best settings for a 5-carat lab-grown diamond are those that securely hold the diamond while showcasing its size and brilliance. Popular settings include solitaire, halo, and three-stone settings.