Blue Diamond Jewelers

Alexis Mastmeier

More recently, Alexis has decided to join the family business, leaving a lucrative and promising IT job in Atlanta, Georgia in order to bring her skills and expertise to Blue Diamond Jewelers. Coming from years of software sales experience, she longed to become a part of something that held true meaning, and what better avenue than the very business she grew about with? To continue a legacy of Blue Diamond Jewelers, as the 4th generation. Although recently joining, she has always been involved and was taught sales techniques and pearl stringing at the young age of 13.

Blue Diamond Jewelers

Nicole Mastmeier

Nicole married into the business, and lets just say her husband and pioneers of the business could not have done it without her! She has always been the sales guru, and although he passed years ago, she took everything she learned and has continued to serve the community in Estero going on 14 years. She is the expert when it comes to all things having to do with design, custom work, and repairs. 

Our History

For over years, has been one of the most trusted names in jewelry in the region. We are a well-established jewelry store that has grown with our community from a small store to a multiple brand jewelry retailer. We have served generations of families as their trusted jeweler for brilliant diamonds, beautiful fine jewelry, elegant watches, treasured gifts, custom made styles and expert jewelry repairs. is committed to make every customer "feel at home" with our personalized service and our classic to cutting edge jewelry designs. Our years of experience and services have built a legacy of integrity and trust with our customers.

At our mission has always been a tradition of trust, high ethical standards, knowledge of our jewelry products and services, fair pricing and value to our customers.

What Customers are Saying About Us

Blue Diamond has done it again! Every time we walk out of their beautiful boutique, we are more amazed at their customer service and attention to detail. Let's face it, jewelry is just metal and stones. But Alexis makes it so much more than that. She takes the time to understand what her clients want and allows them to make their own decisions while at the same time, providing valuable input. Blue Diamond is a family business that treats their customers like an extension of their family.
Christopher Conti
Love this place!! Such beautiful jewelry! Everyone is so incredibly helpful and so nice. Alexis is so incredibly helpful. I’m from out of town and wanted something specific and needed it by a specific day. She didn’t have it in stock but she didn’t hesitate to offer to have it shipped over night. I picked up my necklace the next day and it was even more beautiful than I thought! I’ll definitely be back the next time I’m in the area! I highly recommend Blue Diamond!
Brienne Mullaney
Can’t recommend this family owned jeweler enough! Went back and made a second purchase because I had such a great experience! Alexis and her mom were supremely helpful walking me through my first significant jewelry purchase for my girlfriend. I didn’t know much about jewelry, carats, design trends etc. and they were perfect in educating me while not throwing too much information at me to be overwhelming. They have great trendy pieces, but also make a point to carry really unique pieces that you’re not going to find with online retailers. My girlfriend loves her necklace and charm and wears it all the time!
Brad Foster
I have never felt more connected or at home with any other store. I loved the customer service and the patience she had with me. The ring was custom made and my own. The personalization of your own jewelry makes the experience feel unique and special to the customer. All around the blue diamond jewelry is a very welcoming environment, from the staff to the experience it is and will always be my place to go to buy anything in jewelry and or gifts for my significant other. Thank you so much for everything you have done. I hope to be back soon 😊
Casey Lamb
My experience with Blue Diamond Jewelers was super informative and smooth. Nicole helped me design the perfect ring and my fiancé loves it!!! You can trust Nicole and the staff and know that you are in good hands. Highly recommend!
Lucas Fassbender
Nicole is a wonderful designer and person. I love her jewelry, I have to fight with myself to keep from going into the store all the time. When it is the right time to buy jewelry, this is where I go!
Paula Vaessen
Nicole was amazing to work with. Her entire team delivers exceptional customer service. She took my grandmothers’ diamonds and made my design come true. Now I wear my beautiful diamonds everyday instead of them sitting in a jewelry box. Many thanks to she and her team and I highly recommend you pay them a visit.
Alison Boyle
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Clarissa Wolman

Our promise

Our Promise at is to provide our customers with a shopping experience that will exceed their expectations of our store, our merchandise and our service.

will accomplish this by:
• Providing you with exceptional attention with every visit to our store.
• Helping you celebrate your life's special occasions.
• Providing superior value in terms of merchandise quality, price, selection and satisfaction.
• A commitment to conduct ourselves with integrity and exceed our customer's expectations in every facet of our business.

We realize that individual taste, styling and design are extremely important to you when you decide to make your jewelry purchase. Our aim is to provide quality services and products with the highest degree of customer satisfaction. Our globally sourced designs help to express your unique personality and suit your lifestyle. We will personally help you to select the exact style & design that will celebrate the important occasions and milestones of your life.


All products come with the service and quality upon which we have built our reputation over the last years. Service after the sale is equally as important as the sale itself. provides reliable quality, trustworthy expertise and a commitment to service like none other. We stand behind your purchase because we believe in the quality of our jewelry and value the longevity of a personal and special relationship with you. There are moments in life that transcends the everyday, and is here to make those moments sparkle!

We offer our customers a wide range of designs to celebrate the important moments of their life. Our personal relations with our customers have grown over the years and we value the trust you have placed upon us. We help you to select the perfect style to suit your lifestyle. For us no question is too insignificant. You will receive our personal service and detail attention to every purchase you will make.

Why Shop Us

Why Shop Us - Reasons to Buy from an Independent Jeweler

A Neighbor You Can Trust

Buying jewelry is all about trust. You can trust us because we are an active part of your community. We support local charities and volunteer our time to support local causes. We are here for you and your neighbors and will serve you above and beyond what a corporate business would because we know that word of mouth is the lifeblood of a local business. Make sure when you have a good experience, you tell your friends too!

Growing With You

As we get older, we sometimes get larger too. We will make sure your jewelry grows with you by resizing your rings and adding links to bracelets, necklaces and watches. If you become very successful later in life, you may want to upgrade an engagement ring, without replacing it, by adding a match to your original center diamond and a larger center diamond between them. Our relationship with you will last a lifetime. In fact, for many families, it stretches for generations.

Individual Style

In a world where mass production and volume retail is becoming more common, many people settle for cookie-cutter jewelry. Volume retailers order every style by the thousands. You’ll see anything you buy there over and over, even when you travel to other towns. But when you buy from us, you can choose styles that have been hand selected just for your individual taste. In fact we keep individual customers in mind when we go on buying trips and may select something just for you. You will receive individual service that you can never get from a huge corporation that buys in bulk for all its stores.

Not Just a Face in the Crowd

You are important to us: as a friend, a neighbor, and an individual, not just another face in the crowd. We will remember your anniversary and will even know which style your spouse tried on during a recent visit. And we will help you build a wardrobe that works: we can suggest some earrings to match a necklace you bought last year. When you take a big step in your life, like getting engaged or celebrating the birth of a child, we understand how important it is to make the moment match the emotion and can help you personalize your purchase.

Care & Cleaning

Not only do we care about you, but we care about your jewelry too! Cleaning rings, bracelets, necklaces, and earrings keeps them beautiful. Bring in your rings every year or two to have the prongs checked to make sure that you never lose a gemstone. We offer this as a free service to customers. When your jewelry looks good, we look good too! Only a local jeweler cares to make sure that your jewelry stays beautiful forever..

Competitive Pricing

You might be surprised at how competitive we can be. We belong to a powerful buying group which multiples our buying power by hundreds of stores so we can negotiate excellent values on the jewelry we select for you. We travel far & wide to buy our diamonds direct from the source and choose each diamond we sell for maximum beauty and value. Don’t be fooled by the deceptive 80 percent off offers that clog your mailbox: we offer you honest value every day.

Professional Advice

When you buy at a chain store or a mass merchant, the person behind the counter might have sold auto parts or ice cream the week before. When you buy from us, you will get good advice from a professional, someone who eats, breathes and sleeps jewelry. We have gemological training, read professional journals to keep up to date, travel to trade fairs and seminars and learn all about the products we offer. We can help you be an educated buyer and choose the jewelry that is just right for your lifestyle.

Authorized Dealers

We are an authorized dealer for all the brands we carry. This is especially important for watch brands, since grey market watches are often not covered by warrantees. In fact, they might even be fakes! The makers of respected brands know that we will stand behind their products with the right kind of product education and after-sales support. As an authorized dealer, we also have access to the latest, most in-demand styles of the season. Make sure the brand you buy is legitimate by buying it in our store.

Attention to Detail

We personally selects each piece of jewelry and gemstone in our cases. We don't sell jewelry from some central warehouse. Since we sell only what we ourselves carefully select, we have unrivalled quality control. When a mass merchant buys thousand of items, often deliveries are only spot-checked. Since we care enough to look carefully at every jewelry piece before buying it, shouldn't you? If you buy from a website or from TV, the piece you receive may not be what you are expecting. At our store you can compare different pieces side by side, see the difference diamond qualities make, and also try on jewelry before you buy.

Designs of Your Dreams

If you're not getting what you want, we can find it or make it for you. If it’s something simple, you might find it in the catalogs from our preferred suppliers and it can be special ordered for you. And we also offer custom jewelry, with your choice of design and gemstones. You can remake an old piece that you don’t wear or make your jewelry design a reality; it’s up to you, let us making your jewelry dreams come true.
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