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Round Cut Lab Diamond Three Stone Engagement Ring
  • Round Cut Lab Diamond Three Stone Engagement Ring
  • Round Cut Lab Diamond Three Stone Engagement Ring
  • Round Cut Lab Diamond Three Stone Engagement Ring
  • Round Cut Lab Diamond Three Stone Engagement Ring
  • Round Cut Lab Diamond Three Stone Engagement Ring
  • Round Cut Lab Diamond Three Stone Engagement Ring
  • Round Cut Lab Diamond Three Stone Engagement Ring
  • Round Cut Lab Diamond Three Stone Engagement Ring
Round Cut Lab Diamond Three Stone Engagement Ring

Round Cut Lab Diamond Three Stone Engagement Ring

$1,112.50 $2,225.00 (50% OFF)
SKU: RNG066
Metals
Gold Variant

RING SIZE

Select Your Ring Size (US Standard)

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Size Guide

Ring Size Chart

  1. Use a ring that fits the desired finger.
  2. Measure the internal diameter of the ring (in mm). Ensure your ruler starts at the 0mm mark.
Sizes Inside Diameter Inside Circumference
US & Canada British & Australian MM Inches MM Inches
4 H1/2 14.86 0.585 46.68 1.84
4 1/2 I 1/2 15.27 0.601 47.97 1.89
5 J 1/2 15.70 0.618 49.32 1.94
5 1/2 L 16.10 0.634 50.58 1.99
6 M 16.51 0.650 51.87 2.04
6 1/2 N 16.92 0.666 53.16 2.09
7 O 17.35 0.683 54.51 2.15
7 1/2 P 17.75 0.699 55.76 2.20
8 Q 18.19 0.716 57.15 2.25
8 1/2 Q 3/4 18.53 0.729 58.21 2.29
9 R 3/4 18.89 0.748 59.34 2.35
9 1/2 S 19.30 0.760 60.63 2.39
10 S 1/2 19.69 0.775 61.88 2.44
10 1/2 T 20.09 0.791 63.13 2.49
11 T 1/2 20.50 0.807 64.42 2.54
11 1/2 U 20.91 0.823 65.71 2.59
12 U 1/2 21.31 0.839 66.96 2.64
12 1/2 V 21.72 0.855 68.25 2.69
13 V 1/2 22.12 0.871 69.50 2.74
13 1/2 W 22.53 0.887 70.79 2.79
14 W 1/2 22.94 0.903 72.08 2.84

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Need help finding your size? Let us help.

Product Specifications

Detailed information about this product

Diamond Details

Shape Round cut
Total Carat Weight 2.43 TCW
Color EF
Clarity VVS_VS


Ring Details

Type Lab Grown Diamond
Metal Purity Solid Gold (14KT, 18KT)
Gender Women
Metal Tone Yellow, White, Rose
Stamp/Hallmark Yes
Jewelry Certificate Free of Cost with Listed Design (on request only)

Certified by IDT – The Mark of Genuine Brilliance

At Alyce Jewels, every diamond tells a story of integrity and innovation. Our partnership with IDT Certification ensures that each lab-grown diamond meets the highest global standards for cut, clarity, and ethical sourcing. This isn't just a certification — it's your assurance of unmatched brilliance and transparent craftsmanship.

Real Stories from Real Customers

See what our customers are saying about their jewelry

Verified Purchase
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Easy Returns

Jessica M.

Austin, TX

Verified

November 18, 2024

I'm honestly blown away by how gorgeous this ring is! My fiancé proposed last weekend and I can't stop staring at it. The sparkle is unreal and it catches the light from every angle. Worth every penny!

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Michael R.

Brooklyn, NY

Verified

November 12, 2024

Bought this for my wife's birthday and she literally cried when she opened it. The quality is top-notch and the customer service team helped me pick the perfect piece. She hasn't taken it off since!

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Amanda K.

Seattle, WA

Verified

November 8, 2024

This is my third purchase from Alyce Jewels and they never disappoint. The craftsmanship is incredible and you can tell they really care about quality. Plus the packaging is so beautiful!

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Sarah L.

Miami, FL

Verified

November 5, 2024

I was nervous ordering jewelry online but WOW am I glad I did! The photos don't even do it justice. It's even more stunning in person. I get compliments literally every single day!

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David T.

Chicago, IL

Verified

October 30, 2024

Proposed to my girlfriend with this ring and she said yes! The whole process was smooth from start to finish. They answered all my questions and helped me stay within budget.

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Emily W.

Denver, CO

Verified

October 25, 2024

The earrings are absolutely perfect! They're elegant but not too flashy, which is exactly what I wanted. I wear them to work and out on weekends. Super versatile!

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Rachel P.

Boston, MA

Verified

October 20, 2024

My mom has been wanting a diamond necklace forever so I surprised her for her 60th birthday. She was so emotional and keeps telling everyone about it. The quality is outstanding!

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Brandon H.

Phoenix, AZ

Verified

October 15, 2024

Fast shipping and great communication throughout. The bracelet is beautiful and my wife loves it. I appreciated how they kept me updated every step of the way!

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Nicole B.

Portland, OR

Verified

October 10, 2024

I treated myself after getting a promotion and I'm so happy I did! This ring makes me feel so confident and put-together. The sparkle is insane and it goes with everything!

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Chris D.

Nashville, TN

Verified

October 5, 2024

Got these studs for my girlfriend's graduation and she absolutely loved them! They're the perfect size - not too big, not too small. She wears them almost every day now.

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Lauren S.

San Diego, CA

Verified

September 28, 2024

Honestly didn't expect to love this as much as I do! The design is so unique and I haven't seen anything like it anywhere else. People always ask me where I got it!

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Kevin J.

Atlanta, GA

Verified

September 22, 2024

My wife's anniversary gift arrived right on time and she was blown away. The pendant is gorgeous and the chain is really well made. She says it's her new favorite piece!

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Megan F.

Charlotte, NC

Verified

September 18, 2024

This was a gift to myself for my 30th birthday and I couldn't be happier! It's so elegant and timeless. I know I'll be wearing this for years to come.

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Tyler M.

Las Vegas, NV

Verified

September 12, 2024

Bought this for my mom for Mother's Day and she teared up when she opened it. She said it's the most beautiful thing she owns. The craftsmanship is incredible!

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Olivia C.

Philadelphia, PA

Verified

September 8, 2024

I've been eyeing this piece for months and finally pulled the trigger. So glad I did! It's even prettier than the pictures and feels really luxurious. Amazing quality!

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"The virtual appointment helped me choose the perfect ring"
– Sarah K.

Frequently Asked Questions

Find answers to the most common questions about our premium jewelry collection.

questions available
Lab-grown diamonds are created in controlled laboratory environments using advanced technology that replicates the natural diamond formation process. They have the same physical, chemical, and optical properties as natural diamonds, but are typically more affordable and environmentally sustainable.
We recommend visiting one of our stores for professional sizing, or you can use our complimentary ring sizer kit. You can also measure an existing ring or use our online ring size guide. Remember that fingers can vary in size throughout the day and seasons.
We offer a 30-day return policy for most items in original condition. Custom and personalized pieces may have different return terms. All returns must include original packaging and documentation. Please contact our customer service team to initiate a return.
Standard shipping takes 3-7 business days within the continental US. Express shipping (1-2 business days) and overnight shipping are available. Custom pieces may require 2-4 weeks for creation before shipping. International shipping times vary by destination.
Yes, we specialize in custom jewelry design. Our expert designers work with you to create unique pieces tailored to your vision and preferences. The process typically takes 4-6 weeks and includes detailed consultations and design approvals.
We work with a variety of precious metals including 14k and 18k gold (yellow, white, and rose), platinum, and sterling silver. Each metal has unique properties and we can help you choose the best option for your lifestyle and preferences.
Proper care extends the life of your jewelry. Store pieces separately to prevent scratching, clean regularly with appropriate solutions, avoid exposure to chemicals and extreme temperatures, and have professional cleanings and inspections annually.
While we don't provide insurance directly, we recommend insuring valuable jewelry through your homeowner's or renter's insurance, or through specialized jewelry insurance companies. We provide detailed appraisals for insurance purposes.
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Lab-Grown Diamonds vs Natural Diamonds

Compare the key differences between lab-grown and natural diamonds

Lab-Grown Diamonds

  • ⏱
    Formation Time

    4–10 weeks in controlled conditions

  • 🧪
    Conditions

    Well-controlled, eco-friendly process

  • 🌱
    Environmental Impact

    Far less environmental impact

  • 💎
    Price

    Affordable & sustainable

Natural Diamonds

  • 🌍
    Formation Time

    Millions of years deep within the earth

  • ⛏️
    Conditions

    Unethical labor & mining practices

  • ⚠️
    Environmental Impact

    Environmentally destructive

  • 💰
    Price

    Expensive & unsustainable

Free Shipping Worldwide

Complimentary shipping on all orders

24/7 Customer Service

Expert support whenever you need it

Alyce Trust

Secure payments and quality guarantee

Unbeatable Market Price

Best value for premium quality

Eco-Friendly Element

Sustainably sourced materials