These days, Couples want an engagement ring that has some meaning and shares ethics and values. Lab-grown diamonds are becoming the preferred choice for modern couples because of their affordability, sustainability, and eco-friendliness.
These lab diamonds are no less than real diamonds, created using cutting-edge technology and a controlled environment.
Miami, the city famous for its trendsetting styles in fashion and luxury jewelry, is home to some of the best places to buy lab-grown diamond engagement rings. You can find any design in these stores - be it a sleek, contemporary design, a vintage-inspired design, or the mix of both.
But with so many choices available, how to make the right choice?
In this guide, we have listed the best places in Miami to buy a lab-grown engagement ring. Let’s explore your options!
If you are in Los Angeles, check out these 5 Jewelry Stores to buy Lab Grown Diamond Engagement Rings.
1. KARATERS - Top Choice in Miami for Lab Grown Diamond Engagement Rings

- Rating: ⭐⭐⭐⭐⭐
- Location: 19790 W Dixie Hwy. Miami, FL 33180
- Customized Jewelry Service: Yes
- Certifications: GIA & IGI Certified
- Return & Exchange Policy: Available
- Warranty & Repairs: Lifetime Warranty & Repair
Karaters is the first choice in Miami to find the high-quality Lab-grown diamond engagement rings designed by the highly professional artisans. They focus entirely on lab-grown diamond jewelry, which means they really know their stuff.
This top retailers for lab engagement rings in Miami offer a stunning selection of engagement rings, from premade to custom-designed pieces, all featuring certified lab-grown diamonds identical to mined diamonds in brilliance and quality.
The brand goes beyond just making the best engagement rings but also contributes 10% of net profit to charity organizations across the globe, helping impoverished children, women's rights, and many more domestic abuse organizations.
Karaters Extensive Selection of Lab Grown Diamond Engagement Rings
At Karaters, you can find a really great selection of lab-made diamond engagement rings with multiple diamond shapes and carat weight options.
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Round - The eternal and most popular shape, offering maximum brilliance.
- Oval - A classy choice that makes your finger look longer while adding a graceful sparkle.
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Emerald - This step-cut diamond gives a sleek look with a stunning hall-of-mirrors effect.
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Princess - A modern, square shape known for its sharp brilliance.
- Radiant - A mix of round and emerald cuts. It shines brightly with exceptional fire.
- Cushion & Elongated Cushion - cuts have soft edges. They bring a vintage feel that's warm and charming.
- Pear - Cuts are shaped like teardrops. They feel elegant and add a unique touch.
- Marquise - Cuts are long and pointed. They highlight carat weight and shine beautifully.
- Heart - Cuts symbolize love. They’re perfect for meaningful jewelry pieces.
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Trillion - Cuts are bold and triangular. They sparkle brightly and leave a strong i
- Asscher – A vintage-inspired square shape with deep step cuts.
With the wide selection of premade engagement rings, Karaters offer the custom designed engagement ring service as well, letting couple choose their preferred design, setting, and material to choose their dream ring.
Why is Karaters the Best Choice to Buy Lab Engagement Rings in Miami?
- All lab grown diamond engagement rings come with GIA or IGI certification. These trusted certifications guarantee you each diamond’s cut, clarity, color, and carat weight.
- Karaters makes it easy to own your favorite engagement ring with flexible financing plans. Whether your credit is excellent or you need alternative options, they provide solutions that fit your budget.
- Your order arrives quickly and safely with Karaters' free insured overnight shipping. No matter where you are, your engagement ring will be delivered securely and on time.
- Not fully happy with your purchase? They give a 14-day money-back guarantee. Return or exchange your engagement ring easily for a smooth shopping experience.
- Karaters stands by its work with a lifetime manufacturing warranty and repair service. If your engagement ring needs adjustments or repairs, they’ll help keep it looking perfect.
Karaters puts the customer satisfaction first and their 5-star rating speaks for itself. People love Karater's fine craftsmanship, customization choices, and outstanding customer support.
2. Brilliant Earth - Ethical Lab-Grown Diamond Experts

- Rating: ⭐⭐⭐⭐⭐
- Location: 3008 Grand Avenue Ste. #4 Miami, FL 33133
- Customized Jewelry Service: Yes
- Certified: GIA & IGI Certified Diamonds
- Return & Exchange Policy: 30-day free returns and exchanges
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Warranty & Repairs: Lifetime Manufacturing Warranty
When it comes to ethical diamond engagement rings, Brilliant Earth keeps things simple. They focus on conflict-free diamonds, sustainable materials, and thoughtful designs. By using recycled metals and eco-friendly packaging, they help protect the planet while delivering the best quality engagement rings.
The brand makes it easy to design your engagement ring with their custom jewelry options. Choose a diamond shape, pick material, and find a setting that fits your personal style.
Brilliant Earth’s customer-first approach includes free returns, free shipping, and a lifetime warranty. Their diamond upgrade program offers added value. With a diverse collection and industry praise, they’re a trusted choice for elegant, ethical jewelry.
Why Makes Brilliant Earth a Top Choice as a Lab Engagement Rings' Retailer in Miami?
- Brilliant Earth provides full transparency with blockchain tracking. Customers can see each step of their lab diamond’s engagement journey, ensuring they know exactly where it came from.
- Buying fine lab grown diamond rings is easier with Brilliant Earth. They offer 0% APR financing and flexible payments to help you manage costs without stress.
- Brilliant Earth makes shopping worry-free. They offer free returns and exchanges within 30 days, plus free resizing for 60 days to ensure your jewelry fits perfectly.
- All US, Canada, UK, and Australia orders ship free via FedEx. Brilliant Earth also provides free return shipping for added convenience.
- Brilliant Earth stands behind their work. They offer a lifetime manufacturing warranty on your engagement ring and a diamond upgrade program for future improvements.
3. Five Star Jewelers - Stunning Clarity, Unbeatable Value

- Rating: ⭐⭐⭐⭐⭐
- Locations: Miami, Florida, United States
- Customized Jewelry Service: Yes
- Certified: GIA, AGS, & IGI Certified Diamonds
- Return & Exchange Policy: 30-90 day returns and exchanges
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Warranty & Repairs: Limited Warranty, No Free Repair
Five Star Jewelers is the top retailer in Miami for over 35 years, offering some fine jewelry. Their focus on quality and exceptional customer care make them the top choice for quality lab-made diamond engagement rings.
The brand offers a wide range of lab-grown diamond engagement rings with stunning yet diverse design options including halo, round, brilliant solitaire, rectangular, and princess cut rings. Each one diamond they use in their rings is conflict-free, blending elegance with ethical choices.
Why Should You Choose Five Star Jewelers in Miami?
- Five Star Jewelers makes engagement ring shopping easy with stores across Miami. Customers can browse collections in person, ask questions, and receive expert guidance from friendly staff.
- Jewelry repair services are also available. Skilled jewelers handle everything from resizing your engagement rings to fixing delicate designs. This helps keep sentimental pieces in good condition for a long time.
- For those wanting something special, Five Star Jewelers creates custom engagement rings. Their craftsmen turn ideas into stunning jewelry, from engagement rings to personalized pendants. Each piece reflects the customer’s vision.
- Five Star Jewelers also offers a warranty but not on custom-made engagement rings, while repair and maintenance are available for all kinds of jewelry purchased.
- Luxury jewelry becomes more affordable with their interest-free financing options. Customers can invest in valuable pieces without worrying about upfront costs.
4. Barda - Luxury & Sustainability in Every Stone

- Rating: ⭐⭐⭐⭐⭐
- Location: 169 East Flagler Street, Miami, FL 33131
- Customized Jewelry Service: Yes
- Certified: GIA, IGI Certified Diamonds
- Return & Exchange Policy: 30-day returns and exchanges
- Warranty & Repairs: Limited Warranty & Repair
Barda Jewelry designs eye-catching engagement rings using lab-grown diamonds. They provide an eco-friendly alternative to mined stones without losing their sparkle.
You can choose from elegant styles such as solitaire, pave, three-stone, halo, and Toi et Moi. These designs blend classic beauty with fresh style, adding charm to your big day.
Their diamonds are made using advanced chemical vapor deposition techniques, giving them amazing clarity, size, and color. They believe in honesty and sharing clear details about their diamonds' origins and quality.
More than just creating elegant pieces, Barda aims to reduce environmental harm and promote ethical practices. Their jewelry lets clients celebrate special moments with meaning and purpose.
What Makes Barda a Preferred Choice for Lab-Grown Diamond Engagement Rings in Miami?
- Barda creates lab diamond engagement rings using standard techniques of chemical vapor deposition and produces gems with stunning clarity, size, and color. They shine just like natural diamonds and offer lasting durability.
- To give you confidence in their quality, Barda offers a lifetime warranty on manufacturing defects. This ensures your ring stays strong for years to come.
- Barda values honesty and provides clear details about their diamonds’ origins and quality. This helps you make a confident, informed choice.
- Barda Jewelry uses hypoallergenic metals such as platinum and gold, making their rings suitable for individuals with sensitive skin. This ensures comfort and wearability for a lifetime.
- Barda offers matching wedding bands along with engagement rings crafted with the same sustainable and conflict-free principles. Couples can enjoy a complete, ethically sourced bridal jewelry set.
5. Emma Fine Jewelers - Affordable & Expertly Crafted

- Rating: ⭐⭐⭐⭐⭐
- Location: 3250 NE 1st Ave #106, Miami, FL 33137, United States
- Customized Jewelry Service: Yes
- Certified: IGI Certified Diamonds
- Return & Exchange Policy: Available
- Warranty & Repairs: Limited Warranty
Lab-grown diamond engagement rings from Emma Fine Jewelry bring together luxury, sustainability, and affordability. Each piece features IGI-certified lab made diamonds with outstanding shine and quality.
Customers appreciate their ethical practices, skilled craftsmanship, and fair pricing. Finding responsibly sourced jewelry is now simpler than ever.
Their collection includes both modern and classic styles. Options range from pave settings and solitaire rings to intricate halo designs. The Price Guarantee ensures great value, while 30-day returns and exchanges offer peace of mind.
For eternal rings or custom designs, Emma Fine Jewelry provides exceptional quality and service for your special moments.
Why Choose Emma Fine Jewelry to Shop Lab-Grown Diamond Engagement Rings in Miami?
- Emma Fine Jewelry makes it easy to design a custom engagement ring. Customers can pick their favorite diamond shape, band style, and setting to create something meaningful.
- Every lab-grown diamond engagement ring guarantees authenticity, quality, and proper grading.
- Each engagement ring comes in an elegant box. This adds charm to proposals and special celebrations.
- For those unsure about their choice, Emma Fine Jewelry provides expert support. Virtual consultations offer helpful advice from the comfort of home.
- Emma Fine Jewelry knows an engagement ring is an important investment. Flexible installment plans and financing options make luxury more affordable.
- The brand offers a lifetime warranty covering manufacturing defects and includes free cleaning and maintenance.
The Bottom Line
Miami has no shortage of jewelry retailers when it comes to the best Lab-grown diamond engagement rings. The city’s thriving fashion and jewelry industry makes it one of the best destinations to find the ethical and sustainable jewelry options.
Take your time, explore these trusted stores, and find the ring that feels like yours. After all, this is a symbol of your love and future together—make it something truly special.