Lifetime Warranty Easy Returns & Exchanges Recyclable 925 Sterling Silver Fine Simulated Diamond 75,000+ Reviews

S925 3.0~4.0Ct Marquise Cut Hidden Halo Engagement Ring Travel Ring

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Carat Weight: 4.0Ct
Color: Yellow Gold
Size: 4.5
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  • Lifetime Warranty
  • Recyclable 925 Silver
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💎 Product Snapshot
Lifetime Warranty Hypoallergenic US Standard Fit 925 Sterling Silver with Platinum Plate  Simulated Diamond 3.0~4.0Carat Marquise Cut Solitaire

Description
Gem Information:
Gem Type:
Simulated Diamond;
Center Stone Shape:
Marquise Cut;
Center Stone Size: 8*16mm;7*14mm;
Center Stone Color:
White;
Center Stone Weight:
4.0Carat;3.0Carat;
Band Stone Shape:
No;
Band Stone Color: No;
Ring information:
Metal:
925 Sterling Silver;
Plating Color:

18K Yellow Gold;18K White Gold
Rhodium:
Yes;
Nickel Free:
Yes;
Occasions:

Promise Rings For Her; Wedding Rings For Travel; Travel Rings; Gift;

Style:
Classic;

Design Inspiration:

Radiant Sophistication, Effortlessly Refined

A modern twist on classic allure

This 4.0 carat marquise-cut engagement ring captures timeless beauty with a hidden halo that enhances its brilliance from every angle. Set in gleaming sterling silver, it balances sophistication and sparkle, making it a perfect travel piece that embodies understated elegance and everyday luxury.

Materials

High Quality & Conflict Free
Each ring is carefully handcrafted as a refined alternative to mined diamonds. Our simulated diamonds deliver exceptional brilliance and clarity, offering dazzling sparkle while avoiding the environmental and ethical issues of traditional mining. All stones are precision-cut to high standards, ensuring balanced light reflection and captivating shine.
The band is made of premium 925 sterling silver, a durable and fully recyclable precious metal, known for its skin-friendly properties. Finished with 18K gold plating, it provides rich shine, improved resistance to tarnish, and is ideal for sensitive skin.

Stones: Simulated Diamonds
Band: 925 Sterling Silver with 18K Gold Plating
Fit: US Standard Fit

Size Guide(Important🔥)

Ring Size Guide

Choosing the perfect ring size is essential for comfort and style. Follow our guide below to accurately measure your finger and select your ideal size.

How to Measure Your Ring Size

Method 1: Using an Existing Ring

  1. Find a ring that fits the finger you want to size.
  2. Measure the inner diameter of the ring in millimeters (mm).
  3. Refer to our Ring Sizing Chart to find your corresponding size.

Method 2: Measuring Your Finger

If you don't have an existing ring, follow these steps to measure your finger:

  1. Wrap a thin strip of paper or a piece of string around your finger, just above the knuckle.
  2. Mark the point where the paper or string overlaps.
  3. Measure the length from the starting point to the mark in millimeters — this is your finger's circumference.
  4. Check the international ring sizing chart to find your size.
Measuring Finger Circumference

Tips for Accurate Measurement

  • Measure your finger at the end of the day when it is warm and your fingers are largest.
  • If your knuckle is wider than the base of your finger, measure both and choose a size between the two measurements.
  • For wide bands (more than 6mm), consider choosing one size larger for comfort.
  • Measure multiple times to ensure accuracy.

Ring Sizing Chart

Use the chart below to match your measured diameter or circumference to the corresponding US, UK, EU, and international sizes:

US Size UK/AU Size EU Size Diameter (mm) Circumference (mm)
4 H 46.5 14.8 46.5
4.5 I1/2 47.4 15.1 47.5
5 J1/2 49.0 15.7 49.3
5.5 K 50.6 16.1 50.6
6 L 52.0 16.5 51.8
6.5 M 53.5 16.9 53.1
7 N 54.9 17.3 54.4
7.5 O 56.4 17.7 55.7
8 P 57.8 18.2 57.0
8.5 Q 59.1 18.6 58.5
9 R 60.5 19.0 59.8
9.5 S 62.1 19.4 61.6
10 T 63.5 19.8 62.8

Additional Tips

  • Always double-check your measurement before placing an order.
  • Keep in mind that fingers can swell or shrink slightly depending on temperature, activity, and time of day.
  • If you are between sizes, choose the larger one for comfort.

If you have any questions about sizing, contact us at service@louilyjewelry.com. We're happy to assist!

Delivery & Shipping Policy

We do our best to process and ship your order as soon as we can! Below you'll find our shipping options and their estimated shipping times.

USA

  • Standard Shipping - (7-12 Business Days)
  • Express Shipping- (4-6 Business Days)
  • Rush Shipping- (3-4 Business Days)

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30-Day Return & Exchange

We offer a 30-day return/exchange policy to ensure your complete satisfaction. All policies begin from the date you receive your product.

Learn More>

Product Customized Service

This product can provide customized services, please contact our customer service to place an order, contact email:  

service@louilyjewelry.com

When customizing products,

  • The stones you can choose are sona simulated diamond, moissanite, and natural diamond.
  • The Material can choose sterling silver, 10k gold,14k gold, 18k gold, 22k gold, 24k gold, platinum, etc.
  • The plating color can be Rose Gold, Yellow Gold, White Gold, or Black Gold.
  • The shape of stones can be Round cut, Oval cut, Pear cut, Heart cut, Princess Cut, Radiant Cut, Cushion cut, Emerald cut, Marquise Cut, Octagon Cut, Asscher Cut, or Trillion Cut.
  • The color of the stones can be White, Pink, Yellow, Blue, G-White, Green, Aquamarine Blue, Ruby, Morganite, Paraiba Tourmaline, Moonstone, Opal, Purple, Black, Champagne, Alexandrite, etc.
  • The size range of the custom ring is 4~12 yards.
  • You can also provide pictures for customization, and we will have a dedicated designer draw and design for you.

Product customization takes 10~15 working days, please wait patiently, if you have any questions, you can contact customer service.


30-Day Easy Return & Exchange
Secure Shopping
75,000+ Reviews
Lifetime Warranty
30-Day Easy Return & Exchange
Secure Shopping
75,000+ Reviews
Lifetime Warranty
30-Day Easy Return & Exchange
Secure Shopping
75,000+ Reviews
Lifetime Warranty
30-Day Easy Return & Exchange
Secure Shopping
75,000+ Reviews
Lifetime Warranty
30-Day Easy Return & Exchange
Secure Shopping
75,000+ Reviews
Lifetime Warranty
30-Day Easy Return & Exchange
Secure Shopping
75,000+ Reviews
Lifetime Warranty

FREQUENTLY ASKED QUESTIONS

What are your stones made of?

All of our jewelry is crafted using premium Sona Simulated Diamonds— an exceptional alternative to natural gemstones. Sona Simulated Diamonds are engineered for superior durability and enhanced brilliance, making them more scratch-resistant and ideal for everyday wear. Designed to surpass the traditional 4Cs, they offer better optical performance than natural diamonds, delivering stunning fire and sparkle at a fraction of the price. Perfect for those who want uncompromising quality without the high cost.

Will this jewelry turn my skin green?

No, our jewelry is made from 925 sterling silver and plated with 18K gold, so it won’t turn your skin green. Green discoloration is usually caused by jewelry made from copper. We use only genuine 925 sterling silver, and the quality of our materials has been verified by the internationally recognized testing institution SGS.

Will our jewelry drop stones?

No. Each piece of jewelry is meticulously handcrafted by experienced artisans with great attention to detail. Before shipping, every item undergoes three rounds of rigorous quality inspection to ensure perfection. Our packaging is designed with shock-proof and anti-squeeze protection to keep your jewelry safe in transit. However, in rare cases, a stone may come loose if the package experiences a strong impact during delivery or if the jewelry isn't properly cared for during wear.

What if the ring size doesn’t fit?

Don’t worry — we use US standard sizing. If the ring still doesn’t fit, you can exchange or return it within 30 days as long as it hasn’t been worn.

Customer Reviews

Overall rating: 5.0 / 5 from 89 reviews.

I'm a travel blogger and this ring photographs like a dream. The hidden halo adds dimension in every shot.

Took this on a road trip through the Southwest. Dust heat everything. Cleaned it with a toothbrush at a motel and it looked brand new.

I love this ring!!! It’s absolutely stunning! My boyfriend purchased the 4 Carat one in a Size 7 and it fits beautifully. The band is slightly thicker than 1mm and the ring sits 8mm tall from the bottom of the band to the top of the stone, so it’s a rather low sitting ring. Unfortunately, because the basket sits so low, it’s hard to get a straight band to sit flush with this ring, so I recommend getting either an Open-cut band, or a Chevron band! Other than that, I have absolutely no complaints! I definitely recommend this company, I’ve bought more than 10 rings from Louily and I’m not at all disappointed with any of them. 100/10!!!

The hidden halo peeks out when I'm holding my passport. Even customs agents have complimented this ring.

The marquise cut is so flattering on my size 5 finger. The hidden halo makes me feel like a secret agent.

The marquise cut makes my travel photos look editorial. The hidden halo adds that extra something.

I was between marquise and oval for my travel ring. The hidden halo on the marquise won me over.

The marquise points catch the airplane cabin lights. I don't even need the overhead lamp to see the sparkle.

Survived Cancun. Sand saltwater sunscreen. Hidden halo still sparkles from underneath like day one.

This is the ultimate travel ring. Glamorous enough for dinner but I don't panic at the beach.

The moissanite fire in the marquise is unreal. Hidden halo adds even more sparkle from below.

Bought the 3.5 carat after losing my job. This ring was my promise to myself that better things were coming. They did.

The hidden halo is like a tiny secret only I know about. My travel companions have never noticed it.

Bought this for a trip to see the Northern Lights. The hidden halo sparkled almost as much as the sky.

This ring has been on every mode of transportation. Plane train automobile ferry. Hidden halo intact.

I've worn this ring through three different time zones in one day. The hidden halo sparkled through all of them.

I wear this when I travel solo. The hidden halo makes me feel like I have a secret superpower.

Chose the 4 carat marquise with hidden halo. Bought for travel but I wear it everywhere now. Fast shipping.

This ring makes me feel like I should be sipping champagne on a yacht. Even if I'm just at a pool bar.

The hidden halo is like a tiny lighthouse on my finger. Guiding me through every adventure.

This ring has been to more countries than most of my friends. The hidden halo collects memories instead of dust.

Wore this snorkeling in Hawaii. Saltwater couldn't touch the sparkle. The hidden halo is protected.

Took this on a honeymoon to Greece. The marquise caught the Aegean Sea reflections. Hidden halo sparkled at every taverna.

Customer service shipped this to my hotel in Paris when my original order got delayed. Above and beyond.

Bought this for a solo trip to Japan. The hidden halo was my favorite discovery of the entire journey.

I'm a flight attendant and this ring has been on more flights than most people take in a lifetime. Still flawless.

Customer service rushed my order for a last minute trip. Arrived just in time. Heroes.

Bought this after my original marquise was stolen from a hotel room. This one has a hidden halo my old ring never had. Upgrade.

Took this on a cruise to Alaska. The hidden halo sparkled against the glaciers. Most beautiful contrast ever.

Worn it through monsoon season in Thailand. Rain humidity everything. Hidden halo didn't dull one bit.

The marquise sits low and doesn't snag. Hidden halo doesn't add bulk. Perfect for active vacations.

Worn it through a sandstorm in Dubai. Cleaned it off and the hidden halo sparkled like it was brand new.

I accidentally left this in a hotel safe for two days. When I got it back the hidden halo still sparkled like day one.

I wear it even when I'm not traveling. It's become my everyday sparkle ring with a secret.

The hidden halo catches the airplane reading light. I don't even read. I just tilt my hand and watch it sparkle.

Sterling silver is so bright it almost glows. The hidden halo catches the hotel lobby chandeliers every time.

The 4 carat marquise with hidden halo makes me feel like I should be on the Orient Express. So glamorous.

The marquise points catch light from both ends. Hidden halo catches it from below. Triple sparkle.

This ring makes me want to book another vacation just so I can wear it somewhere new.

The 3 carat is perfect for adventure travel. Not too big to worry about but the hidden halo makes it special.

Free Gift Packaging

Softly cushioned to protect each piece, elegantly designed to make every moment of giving or receiving unforgettable. Perfect for gifting or keeping your cherished jewelry safe.

View Full Packaging Details