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How to Sell Designer Jewelry

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Diamond Estate specializes in buying designer jewelry set with large diamonds, rubies, sapphires, and emeralds.

Diamond Estate Jewelry Buyers is the best place to sell designer jewelry, because we specialize in buying items from the world’s most coveted jewelry brands. Over the years, we’ve developed an exclusive resale network that allows us to pay the very highest prices for designer jewelry from Tiffany & Co., Cartier, Harry Winston, Graff, Van Cleef & Arpels, and other legendary brands.

We also purchase fine jewelry from more boutique jewelry designers, such as Martin Katz, Stephen Webster, and Erica Courtney. In particular, we buy designer rings, necklaces, and earrings set with large (2+ carat) diamonds or precious gemstones.

When it comes to jewelry from celebrity designers, it’s important to be aware that it is difficult (to near impossible) to get a good cash return on items set only with small diamonds or precious gemstones.

Celebrity designer jewelry can be marked up to 10x the manufacturing cost of the item.

This is due to the huge markups and marketing costs. While the average markup for fine jewelry is 3x the manufacturing cost, it can be upwards to 10x for celebrity designer jewelry. In addition, the demand is much lower because these items appeal to a very exclusive niche market of the public. Thus the resale value is a fraction of that of similar jewelry created by a larger, more well-known, luxury brand such as Tiffany & Co.

However, that being said, you often can get a substantial cash offer for boutique designer jewelry set with large carat diamonds, sapphires, rubies, and emeralds. The rule of thumb here is that the larger the carat the stone in your fine jewelry, the better your cash return will be, relative to its retail price. For example, we have purchased large carat diamond engagement rings created by Martin Katz for upwards to $50,000.

So, if you are ready to sell designer jewelry with large carat diamonds or precious gemstones, contact Diamond Estate today. We will be happy to discuss the current market value of your item, and explain exactly how we have arrived at our cash offer.

Call Toll Free: (800) 956-8505

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Real Reviews From Customers

Carl is a very straight forward and honest businessman. I sent him some pictures and chatted on the phone with him for a few minutes, and then he offered me a very fair price. I was read more a little hesitant at first as I am not in the jewelry business and the idea of sending my jewelry across the country via mail was a little worrisome. However, this couldn't have gone more easily - he received the ring and paid me what he said he would the next day. Great experience and great business.

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Jeremy D.


My name is Ron Hazel and I recently completed some business with Diamond Estate Jewelry Buyers. I found them to be very professional and straight forward. Paula Dabney did exactly what read more she said she would do and precisely when she said she would do it. She made it easy to understand the value of my jewelry. In this uncertain world we live in it’s nice to work with a company that is trustworthy and expedient.

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Ron H.


We contacted Carl to sell approximately 25 pieces of estate jewelry. He was extremely responsive and followed up the same day. His secretary was fantastic getting us an appointment read more quickly. Carl spent a long time explaining the pricing, appraisals, value, and process and made us feel very comfortable selling to him. We are extremely pleased with the entire experience and will definitely recommend him to others!

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Belinda K.


When I was thinking about selling a piece of jewelry I had, I looked at several different places. I just kept coming back to DEJB. I called, spoke with Paula & she was wonderful to read more work with. So friendly & knowledgeable. She explained everything to me from the first phone call. She really put my mind at ease. My transaction was quick & easy. Paula & Carl were so easy to work with. I will definitely work with them again. Thank you Paula & Carl for everything!

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Rhonda B.


Exceedingly pleased and impressed with this service. I worked with Paula who is professional, personal, and accountable. Everything happened as said from beginning to end, which was read more hard to believe at first. I re-read reviews even after I boxed up my items because of the anxiety! Paula helped normalize a sentimental event and held my trust throughout the whole process (which was actually very fast and exactly to description). Highly recommended and would use again without hesitation. Thank you Diamond Estate Jewelry Buyers, especially Paula!

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Jesse S.



We Buy Designer Jewelry From These Designers

Below is a small list of some of the boutique jewelry designers and European design houses whose diamond rings, necklaces, and earrings we purchase. If the designer who created your jewelry is not listed below, and it is set with a 2+ carat diamond or precious gemstone, contact us for a free evaluation.


Sell Designer Jewelry by Martin Katz

Sell Emerald JewelryMartin Katz is a Los Angeles based luxury jewelry designer known for transforming rare stones into artistic creations. His contemporary take on vintage jewelry reflects his passion for Edwardian and Art Deco jewelry, and his pieces are often referred to as “contemporary jewelry with an old soul.”

Born in South Bend, Indiana, Katz earned degrees in psychology and business at Indiana University in 1978, where he began selling jewelry on campus. After graduation, Katz moved to Los Angeles and became a salesman at the Beverly Hills Laykin et Cie, the jewelry salon of I. Magnin, where he cultivated a passion for vintage jewelry and rare gemstones.

Katz’s jewelry features colored stones, including Red Spinel and Alexandrite, as well as pink and yellow diamonds.

Martin Katz founded his eponymous company in 1988, and initially the young jeweler focused on sales of vintage pieces. As his clients began to request specific pieces to round out their vintage collections, Katz turned to his own designs to fill the void, and he quickly distinguished himself with his hand-crafted, couture-quality pieces inspired by his deep love of vintage jewelry. His reputation continued to grow, and sales of his contemporary designs soon eclipsed vintage sales.

Katz’s work today features carefully chosen colored stones, including Paraiba tourmaline, red spinel, and Alexandrite, as well as pink and yellow diamonds. Each piece is made with meticulous attention to detail, and is either one-of-a-kind or limited in production, numbered, and signed.

Martin Katz’s jewelry is well known on the Red Carpet, and has adorned A-list celebrities from Barbara Streisand and Angelina Jolie to Johnny Depp and Mark Wahlberg. Other projects have included a black and white diamond bra for Victoria’s Secret, jeweled sunglasses for Ray-Ban, and The Jewel Suite, a Katz designed, Art Deco inspired penthouse suite at The New York Palace Hotel.

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Sell Diamond Jewelry by Italy’s Damiani

Sell Ruby EarringsDamiani is an Italian jewelry group specializing in the design, manufacture, and selling of luxury jewelry and watches. Though their major market is Italy, the company sells to markets worldwide through their subsidiary brands: Salvini, Alfieri & St. John, Bliss, and Calderoni.

Founded in 1924 in Valenza, Italy by Enrico Grassi Damiani, the company quickly became known for its high quality diamond jewelry. The classic traditions of Italian jewelry manufacture exhibited in Enrico Grassi’s work were often sought out by the social elite. The firm became the trusted jeweler of the noble families of the time.

Enrico’s son Damiano continued the family tradition, combining tradition with innovation. His technical advances in manufacture allowed the company to rise to fame across Italy and the world. The third generation of the family now runs the publicly held company. Their network of subsidiaries and boutiques distributes the company’s distinct, top-end traditional Italian style worldwide.

Damiani’s sophisticated Italian bracelets, rings, and earrings exhibit closely kept goldsmithing secrets and expert craftsmanship.

Damiani’s jewelry is traditionally handcrafted, using the highest quality metals and gemstones. From simple sketches to advanced, 3-D computer assisted design, individual pieces are assembled and finished by Damani’s goldsmiths using traditional welding techniques handed down from master to apprentice.

The assembled pieces then go to the cleaners and polishers for the final finish, with quality control checks throughout the process. The end result is traditional Italian artisan craftsmanship on display — collier, bracelets, rings, and earrings of sophisticated Italian style exhibiting closely kept goldsmithing secrets and expert craftsmanship.

The Damiani Group has garnered worldwide acclaim, winning the prestigious Diamonds International Award a record 18 times.

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Sell Designer Jewelry by Stephen Webster

Sell Precious GemstonesStephen Webster is a London based contemporary luxury jewelry brand led by founder and creative director Stephen Webster. Known for producing fine jewelry inspired in equal parts by modern cultural imagery and traditional craftsmanship, Stephen Webster’s works are often larger than life, and adorn some of the most glamorous of today’s cultural icons.

Born in Gravesend, Kent, in the southeast part of England, Stephen Webster began his apprenticeship in London’s Hatton Garden at age 16, having initially begun to study fashion. His move to jewelry was inspired by the tactile world of the workshop, and he spent the next ten years perfecting the techniques of handcrafting jewelry, believing ultimately that a piece of jewelry can only be truly beautiful if it is beautifully made.

Webster’s jewelry adorns A-list celebrities all over the world, such as Cameron Diaz and Charlize Theron.

Stephen Webster’s work is honestly eclectic. From traditional themes of birds and beetles to the crab and lobster rings in his Jewels Verne collection, Webster’s jewelry is difficult to categorize. His audacious personal style infiltrates his art seamlessly, but always with exacting craftsmanship, and his love of stones is obvious.

The David Bowie inspired Lady Stardust collection is an excellent example — Bowie’s alter ego, Ziggy Stardust, is evoked with the famous lightning bolt motif and geometric v-shaped patterns, all accentuated by white and black diamonds, amethysts, and purple sapphires. Webster also invented Crystal Haze, a faceted crystal set over a layer of precious stones that creates a shimmering holographic effect.

Webster’s jewelry adorns A-list celebrities all over the world. He designed wedding bands for Madonna and Guy Ritchie, and has made commissioned pieces for such notables as Johnny Depp, Cameron Diaz, Sharon Stone, and Charlize Theron.

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Sell a Pink Diamond Ring by Alan Freidman

We Buy DiamondsAlan Friedman was a luxury jewelry designer based in Los Angeles, known for his groundbreaking work with naturally colored diamonds, particularly pink diamonds from the Argyle mines in Australia. Widely referred to as the “King of Pinks” for his multicolor creations, Friedman’s legacy is one of dedication to both clients and craftsmanship.

Friedman was a third generation jeweler, and was raised at his family’s Omaha jewelry store, Borsheim’s, the largest independent jewelry store in the United States.

In the mid 1990s, Alan Friedman purchased over a million dollars worth of pink diamonds.

By age 10, Alan had graduated from sweeping the shop floor to sales, and in a few more years had become an  in-house designer for Borsheim, and a top salesman. When the store was sold to billionaire Warren Buffett, Friedman was able to help the business shift its focus from quantity to quality.

After earning a graduate gemologist degree from the Gemological Institute of America, Friedman relocated to California where he worked as a freelance designer, selling pieces all over the country. In the mid 90s, Friedman purchased over a million dollars worth of pink diamonds at a time when demand for the stones was low. Friedman came to be regarded as an expert on the rare gems, and his work with pink diamonds remains in high demand.

Friedman was the recipient of numerous design awards, including the American Gem Trade Association’s “Best Use of Color” and “First Place Casual Wear” awards in 2002, and the prestigious “Best of Show” award in 2003.

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Sell Designer Jewelry by Erica Courtney

Erica Courtney is a contemporary jewelry designer based in Los Angeles, California. Known for chic ‘statement’ pieces that feature bold colors and feminine style that pushes the boundaries of artisan jewelry, her signature Drop Dead Gorgeous collection has become one of the most successful in the industry. Her work is regularly seen in movies, television, and adorning a growing number of A-list celebrities.

Erica began creating jewelry in the mid 1980s when she whimsically glued Swarovski crystals on a pair of sunglasses. That early success led to crystal studded bandanas, bustiers, and watches, as well as work in wholesale jewelry. She moved from Dallas to Los Angeles in 1989, and her new business flourished. Her work at this time featured a sterling silver collection with hand written love notes engraved on the pieces, and was soon noticed by the elite of Los Angeles’s entertainment industry.

Erica Courtney’s jewelry frequently graces the Red Carpet, and has been seen on everyone from Madonna to Elizabeth Taylor.

Courtney’s work today is known for its attention to detail and her exacting standards when it comes to individual gems. She travels the world in search of rare and unique stones, and each hand-picked gem is incorporated into pieces that reflect her bold and evolving style. Her jewelry frequently graces the Red Carpet, and has been seen on everyone from Madonna and Elizabeth Taylor to Brad Pitt and Johnny Depp.

Erica Courtney’s jewelry has been widely recognized by industry associations, including the 2014 Best Use of Color award by the American Gem Trade Association. She has also been given a Green Diva award for her groundbreaking “Re-Purpose, Re-Love” jewelry recycling program.

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Sell Diamond Jewelry by France’s Chaumet

Cash for JewelryChaumet is a luxury French jeweler and watchmaker known throughout its long history for high quality, hand-made jewelry and personal attention to detail. Now part of the Louis Vuitton-Moet Hennessy conglomerate, Chaumet produces high end jewelry and watches for markets throughout the world, particularly in France, Japan, and China.

Founded in 1780 by Marie-Étienne Nitot, the house’s early work included pieces for aristocratic clientele, most notably a commission for the coronation crown for Napoleon. A tiara created for the Empress Josephine began a trend throughout the court, and Nitot became known as the “jeweler of the tiara,” constructing headbands made of leaves, fruit, and garlands of flowers for the aristocracy and its imitators.

Marcel Chaumet took over in 1928, and the House of Chaumet became a leader in the Art Deco movement.

Nitot’s son ran the company until it was sold to shop foreman Jean Baptiste Fossin, whose works inspired by the Italian Renaissance continued to appeal to the aristocratic elite. A London boutique of the house was founded after the French revolution of 1848, run by Jean-Valentin Morel, who later became official supplier of jewelry to Queen Victoria.

In 1885, Joseph Chaumet married into the Morel family, lending his name to the business. His works included Renaissance style pieces, particularly tiaras that were in fashion at the time, as well as pieces inspired by Japanese traditions. Joseph’s son Marcel Chaumet took over in 1928, and the House of Chaumet became a leader in the Art Deco movement.

Chaumet designs today continue to be inspired by naturalistic motifs, from rings and necklaces of leaves and grasses to their iconic bee themed pieces. Bee pendants and brooches mix vibrant colored garnets, sapphires, and topazes with diamonds and pearls in hand-made excellence.

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Sell Designer Jewelry by Switzerland’s de Grisogono

Free Jewelry AppraisalsDe Grisogono is a luxury jewelry and watchmaking brand based in Geneva, Switzerland. Founded in 1993 by the designer Fawaz Gruosi, de Grisogono enjoys a reputation today as one of the most dynamic and creative forces in contemporary jewelry.

Born in Syria in 1952, Gruosi spent much of his early life in Florence, Italy, where he was inspired by the city’s beauty, and began a career in jewelry making. After working as a designer for some of the most prestigious international jewelers, Gruosi opened his own shop in 1993.

His early efforts featured a collection of jewelry based on his obsession with the 190 carat Black Orlov diamond. Highlighting the long forgotten black diamond in a series of one-of-a-kind pieces, Gruosi singlehandedly initiated a demand for the black gems, and global prices for the forgotten stones skyrocketed.

De Grisogono often mixes black diamonds with rubies, emeralds, and pearls to achieve unique effects of color and light.

Gruosi built on his success as the “king of black diamonds” by consistently pushing the boundaries of what contemporary jewelry could be, mixing black diamonds with rubies, emeralds, and pearls to achieve unique effects of color and light. “When I started this company I had the philosophy of being different,” Gruosi notes. That ‘difference’ has certainly paid off, allowing the firm to open 17 shops worldwide. While both daring and inventive, Gruosi’s creations remain loyal to the traditions of high jewelry craftsmanship.

De Grisogono began making luxury watches in 2000, and their style is consistently bold and exuberant, keeping with the firm’s overall mission to breathe new life into old traditions. Watches in the de Grisogono collection feature both traditional mechanical complications and high jewelry style, from the playfulness and intricate jewelry work of their “Crazy Skull” model to the D’Meccanico dG, the world’s first all-mechanical digital watch.


Get a Free Designer Jewelry Appraisal

Are you ready to sell designer jewelry for the best possible cash offer? Then contact Diamond Estate now and learn why we have earned the trust of thousands of clients nationwide. As an A+ BBB rated jewelry buyer with hundreds of 5 star reviews, you can be assured that our cash offers are generous and honest.

Get started now with a free verbal appraisal.

Call Toll Free: (800) 956-8505

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If you would like more information on how to sell designer jewelry, please note that Diamond Estate also purchases vintage and antique jewelry from the great jewelry designers of the past. Learn more by visiting our article: Where to Sell Antique Jewelry.

About Diamond Estate

Diamond Estate Jewelry Buyers is a leading fine jewelry buyer and watch buyer serving customers throughout the US. We've built our business on core values of integrity, honesty, and superior customer service. Are you looking to sell diamonds, rings, watches, earrings or other fine jewelry? Get in touch to get your no-obligation offer.

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