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1 Carat Marquise Lab Grown Diamond Halo Engagement Ring
1 Carat Marquise Lab Grown Diamond Halo Engagement Ring
- Available in 10K Gold, 14K Gold, 18K Gold, Platinum
- Made to order and checked at our New York office
- Free, insured shipping within the US
Please choose your metal color.
Please choose your ring size.
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Everything you need, worry-free.
Free US Shipping & 30-Day Returns
Made to Order in 12–14 Days
IGI Certified Diamonds
Free Ring Resizing
Made to order. Order today and it arrives by Thursday, 05 Nov
Need help choosing?
Talk to our jewelry team. We're here 24/7 by phone, WhatsApp, email and live chat.
Product Details
Product Details
Marquise Halo Lab Grown Diamond Engagement Ring features a graceful marquise cut lab grown diamond surrounded by a brilliant round diamond halo that enhances its elongated silhouette and radiant sparkle. The elegant cluster design beautifully highlights the center stone while creating a timeless vintage-inspired look.
Expertly handcrafted for life's most memorable occasions, this fine jewelry engagement ring combines exceptional craftsmanship with enduring elegance. Whether chosen for a proposal, anniversary, or meaningful gift, it is a stunning symbol of everlasting love designed to be treasured for generations.
Made to Order & Production Time
Please allow 12–14 business days for production before dispatch. Shipping time is additional.
Specifications
- Jewelry Type: Ring
- Ring Style: Halo Engagement Ring
- Diamond Type: Lab Grown Diamond
- Center Diamond Shape: Marquise Cut (10.00 × 5.00 mm)
- Center Diamond Weight: 0.95 Carat
- Side Diamond Shape: Round Cut
- Side Diamond Weight: 0.49 Carat
- Setting Style: Prong Set Halo
- Customization: Available
- Certification: IGI certificate ( For center diamonds)
- Sample IGI Report Number: LG828617605 (Sample Reference: You can verify this sample on the IGI website. Your actual diamond will come with its own unique IGI certificate matching your order).
- Diamond Color: E–F
- Diamond Clarity: VVS–VS
- Production Type: Made to Order
Features
- • Elegant marquise cut lab grown diamond center stone
- • Brilliant 0.95 ct center diamond with exceptional sparkle
- • Round brilliant halo enhances size and brilliance
- • Timeless vintage-inspired halo design
- • Secure multi-prong setting for lasting durability
- • Comfortable profile designed for everyday wear
- • Available in multiple precious metal options and finishes
- • Customizable to suit your personal style
- • Expertly handcrafted fine jewelry with exceptional craftsmanship
Why You'll Love It
The marquise cut center diamond creates an elegant elongated silhouette, while the sparkling round diamond halo amplifies its brilliance from every angle. Combining vintage charm with modern sophistication, this ring is a timeless symbol of love that offers extraordinary beauty for every special occasion.
Materials & Care
Materials & Care
Responsible Materials
Each design is made using 100% certified recycled gold and silver, chosen for their beauty and lower environmental impact. Hallmarked for authenticity and designed to endure.
Simple Care For Longevity
To maintain your piece’s luster, avoid exposure to harsh chemicals and store it in a soft pouch when not in use. Clean gently with a microfiber cloth and mild soap as needed
Shipping & Returns
Shipping & Returns
Delivered With Care
Every piece is made to order and arrives in 12 to 14 business days. Shipping is free and fully insured within the US, and we also ship to many other countries, with options shown at checkout. Each piece is carefully packaged, and you will get a tracking number as soon as it ships.
Easy Returns and Exchanges
If your piece isn’t quite right, we accept returns and exchanges within 30 days of delivery. Items must be unworn and in original packaging. Begin your return online for a seamless process.
What Happens After You Order
What Happens After You Order
1. Order confirmation. You get an email with your order details right away.
2. Crafting. Your piece is made to order and checked at our New York office.
3. Shipping. It arrives in 12 to 14 business days, insured, and you get a tracking number as soon as it ships.
4. Questions any time. If you need to change something, contact us as soon as possible and we will help.
Virtual Appointment
Visit us in person or connect with us virtually for a one-on-one consultation with a jewelry expert.
Monday–Friday: 10am–6pm ET Set A Meeting
Metal Purities & Durability
Review the gold purities, longevity, and recommended lifestyles to select the perfect metal for your piece.
| Metal | Gold Purity | Durability | Best Recommended For |
|---|---|---|---|
| 10K Gold | 41.7% Pure Gold | Very High (Scratch Resistant) | Active everyday wear and maximum budget-conscious durability. |
| 14K Gold Recommended | 58.3% Pure Gold | Optimal (Daily Wear) | The ideal balance of rich color, durability, and luxury prestige. Our top recommendation for bridal and engagement rings. |
| 18K Gold | 75.0% Pure Gold | High (More Delicate) | Rich, intense golden hue. High precious metal value and ideal for sensitive skin. |
| Platinum | 95.0% Pure Platinum | Lifetime Durability | Naturally white, dense luxury weight, hypoallergenic, and never tarnishes. |
| 925 Sterling Silver | 92.5% Pure Silver | Moderate | Accessible classic elegance. Ideal for everyday fashion and occasional pieces. |
Precious Metal Colors & Tones
Choose the precious metal tone that complements your skin tone and personal aesthetic.
White Gold
Finished with pure Rhodium for high luster. Maximizes diamond fire and brilliance with zero color tint.
Yellow Gold
The classic standard for bridal jewelry. Naturally warm, royal, and resistant to oxidation.
Rose Gold
Expertly alloyed with refined copper to create a delicate pink blush tone that never fades.
Size Chart
| US | UK / Australian Size | Inside Diameter (mm) | Circumference (mm) |
|---|---|---|---|
| 3 | F | 14.1 | 44.2 |
| 3.5 | G | 14.5 | 45.5 |
| 4 | H½ | 14.9 | 46.8 |
| 4.5 | I½ | 15.3 | 48.0 |
| 5 | J½ | 15.7 | 49.3 |
| 5.5 | K½ | 16.1 | 50.6 |
| 6 | L½ | 16.5 | 51.9 |
| 6.5 | M½ | 16.9 | 53.1 |
| 7 | N½ | 17.3 | 54.4 |
| 7.5 | O½ | 17.7 | 55.7 |
| 8 | P½ | 18.1 | 57.0 |
| 8.5 | Q½ | 18.5 | 58.3 |
| 9 | R½ | 19.0 | 59.5 |
| 9.5 | S½ | 19.4 | 60.8 |
| 10 | T½ | 19.8 | 62.1 |
| 10.5 | U½ | 20.2 | 63.4 |
| 11 | V½ | 20.6 | 64.6 |
| 11.5 | W½ | 21.0 | 65.9 |
| 12 | X½ | 21.4 | 67.2 |
| 12.5 | Z | 21.8 | 68.5 |
| 13 | Z+1 | 22.2 | 69.7 |
| KA Size | Wrist Diameter (in) | Wrist Diameter (cm) |
|---|---|---|
| Extra Small | 4.76 – 5.25 | 12.1 – 13.3 |
| Small | 5.26 – 5.75 | 13.4 – 14.6 |
| Medium | 5.76 – 6.25 | 14.6 – 15.9 |
| Large | 6.26 – 6.75 | 15.9 – 17.1 |
| Extra Large | 6.76 – 7.25 | 17.2 – 18.4 |
| Extra Extra Large | 7.26 – 7.75 | 18.4 – 19.7 |
| Extra Extra Extra Large | 7.76 – 8.25 | 19.7 – 21.0 |
| Length (in) | Length (cm) |
|---|---|
| 16 | 40.50 |
| 18 | 45.75 |
| 20 | 50.75 |
| 24 | 61.00 |
| 30 | 76.25 |
| 36 | 91.50 |
Size Chart
| US | UK / Australian Size | Inside Diameter (mm) | Circumference (mm) |
|---|---|---|---|
| 3 | F | 14.1 | 44.2 |
| 3.5 | G | 14.5 | 45.5 |
| 4 | H½ | 14.9 | 46.8 |
| 4.5 | I½ | 15.3 | 48.0 |
| 5 | J½ | 15.7 | 49.3 |
| 5.5 | K½ | 16.1 | 50.6 |
| 6 | L½ | 16.5 | 51.9 |
| 6.5 | M½ | 16.9 | 53.1 |
| 7 | N½ | 17.3 | 54.4 |
| 7.5 | O½ | 17.7 | 55.7 |
| 8 | P½ | 18.1 | 57.0 |
| 8.5 | Q½ | 18.5 | 58.3 |
| 9 | R½ | 19.0 | 59.5 |
| 9.5 | S½ | 19.4 | 60.8 |
| 10 | T½ | 19.8 | 62.1 |
| 10.5 | U½ | 20.2 | 63.4 |
| 11 | V½ | 20.6 | 64.6 |
| 11.5 | W½ | 21.0 | 65.9 |
| 12 | X½ | 21.4 | 67.2 |
| 12.5 | Z | 21.8 | 68.5 |
| 13 | Z+1 | 22.2 | 69.7 |
| KA Size | Wrist Diameter (in) | Wrist Diameter (cm) |
|---|---|---|
| Extra Small | 4.76 – 5.25 | 12.1 – 13.3 |
| Small | 5.26 – 5.75 | 13.4 – 14.6 |
| Medium | 5.76 – 6.25 | 14.6 – 15.9 |
| Large | 6.26 – 6.75 | 15.9 – 17.1 |
| Extra Large | 6.76 – 7.25 | 17.2 – 18.4 |
| Extra Extra Large | 7.26 – 7.75 | 18.4 – 19.7 |
| Extra Extra Extra Large | 7.76 – 8.25 | 19.7 – 21.0 |
| Length (in) | Length (cm) |
|---|---|
| 16 | 40.50 |
| 18 | 45.75 |
| 20 | 50.75 |
| 24 | 61.00 |
| 30 | 76.25 |
| 36 | 91.50 |
Size Chart
| US | UK / Australian Size | Inside Diameter (mm) | Circumference (mm) |
|---|---|---|---|
| 3 | F | 14.1 | 44.2 |
| 3.5 | G | 14.5 | 45.5 |
| 4 | H½ | 14.9 | 46.8 |
| 4.5 | I½ | 15.3 | 48.0 |
| 5 | J½ | 15.7 | 49.3 |
| 5.5 | K½ | 16.1 | 50.6 |
| 6 | L½ | 16.5 | 51.9 |
| 6.5 | M½ | 16.9 | 53.1 |
| 7 | N½ | 17.3 | 54.4 |
| 7.5 | O½ | 17.7 | 55.7 |
| 8 | P½ | 18.1 | 57.0 |
| 8.5 | Q½ | 18.5 | 58.3 |
| 9 | R½ | 19.0 | 59.5 |
| 9.5 | S½ | 19.4 | 60.8 |
| 10 | T½ | 19.8 | 62.1 |
| 10.5 | U½ | 20.2 | 63.4 |
| 11 | V½ | 20.6 | 64.6 |
| 11.5 | W½ | 21.0 | 65.9 |
| 12 | X½ | 21.4 | 67.2 |
| 12.5 | Z | 21.8 | 68.5 |
| 13 | Z+1 | 22.2 | 69.7 |
| KA Size | Wrist Diameter (in) | Wrist Diameter (cm) |
|---|---|---|
| Extra Small | 4.76 – 5.25 | 12.1 – 13.3 |
| Small | 5.26 – 5.75 | 13.4 – 14.6 |
| Medium | 5.76 – 6.25 | 14.6 – 15.9 |
| Large | 6.26 – 6.75 | 15.9 – 17.1 |
| Extra Large | 6.76 – 7.25 | 17.2 – 18.4 |
| Extra Extra Large | 7.26 – 7.75 | 18.4 – 19.7 |
| Extra Extra Extra Large | 7.76 – 8.25 | 19.7 – 21.0 |
| Length (in) | Length (cm) |
|---|---|
| 16 | 40.50 |
| 18 | 45.75 |
| 20 | 50.75 |
| 24 | 61.00 |
| 30 | 76.25 |
| 36 | 91.50 |
The Lab-Grown Advantage
Identical & Certified
Chemically and optically identical to mined diamonds, independently certified by the IGI.
Great Value
Usually priced well below a mined diamond of the same size and quality, so your budget goes further.
Responsibly Made
Grown in a lab, so no mining is involved.
Learn About Your Jewelry
We're committed to making your entire experience a pleasant one, from shopping to shipping.
Every item we send comes in our signature Milagros Jewel packaging. Engagement rings arrive in a deluxe ring box within an elegant presentation box ready for your proposal. The presentation box also secures your appraisal certificate and diamond grading report.
We do create custom pieces. Our designers work with you to bring your vision to life, ensuring every detail reflects your personal style.
Our shipping box won't give away what's inside.
Shipping is free and insured within the US. Other countries see their shipping options at checkout.
