Custom Design

One of our favorite things at Gunderson’s Jewelers is custom design.

From complete restoration to repurposing old jewelry to developing a new idea into reality, we love hearing the stories behind each request and working together with customers to create stunning one-of-a-kind pieces of jewelry.

We invite you to create a special symbol of your love with our talented designers
in Sioux City, Sioux Falls, Omaha and Fargo.  Read More

 

Jewelry repair

Gunderson’s has a full service in-house jewelry repair facility. From simple cleaning and polishing, sizing rings and setting gemstones to complete overhauls on any type of jewelry, our experienced staff provides prompt and professional service.

Our professional goldsmiths are expert craftsmen with years of experience.
We offer the following services, and many more:

  • Ring Sizing
  • Diamond Setting
  • Gemstone Setting
  • Stone Tightening
  • Soldering
  • Prong Repair
  • Ring Shanks
  • Chain Repair
  • Clasp Replacements
  • Rhodium Plating

Watch repair

Equally important to owning that rare or cherished timepiece is the responsibility to maintain it. Proper service ensures that its beauty, value and function endure.

Gunderson’s Jewelers features an onsite state-of-the-art watch repair facility. Our certified watchmakers are trained to repair your finest timepieces. Our watch services include, but are not limited to: battery replacement, crystal replacement, bracelet sizing, water resistance maintenance and complete movement overhaul.

Gunderson’s is an official service provider for Rolex, Cartier and the Swatch Group of watches, comprised of Omega, Longines, Rado, Tissot, and Hamilton watches. In addition to the timepiece brands listed above, we service numerous other brands.

Harry Granzow

Harry Granzow is a licensed watchmaker from the state of Indiana and has completed training by Rolex, Cartier and the Swatch Group of watches.

David Threlkeld

David Threlkeld graduated Suma Cum Laude from Oklahoma State University Institute of Technology with an Associate of Applied Science in Watchmaking and Microtechnology. He is certified by the Swiss American Watchmakers Training Alliance (SAWTA) and has CW21 (Certified Watchmaker of the 21st century) certification from AWCI (American Watchmakers and Clockmakers Institute), the primary certifying organization for professional watchmakers in the U.S.

Watch Maintenance is Important

Most watches will require cleaning, adjustments or simple preventative maintenance. While your watch may need occasional minor maintenance or repairs, periodic inspection and service can prevent substantial, expensive problems from developing.

Gunderson’s is a member of the American Watchmakers and Clockmakers Institute, the Chronometer Club and the National Association of Watch and Clock Collectors.

Appraisals

We are the premier, qualified appraisers of fine gems and jewelry in the region. We serve attorneys and estate planners, private bankers, bank trust departments, insurance professionals, and private individuals. Whether you need an accurate appraisal for insurance, estate planning or liquidation, buying or selling, we are here for you.

Price guide – Written Jewelry Appraisals
First Item

$75.00

Second to Tenth Item

$50.00

Eleventh to Twenty-fifth Item

$40.00

Twenty-fifth to Fiftieth Item

$30.00

More Than Fifty Items

Volume Pricing to be Detemined

Vintage/Antique Items Needing Extensive Research

$160.00 per item

Loose Stones

$85.00 per item

Colored Diamonds

$110.00 per item

Assistance in selling pieces

Gundersons uses a sliding fee to assist in selling your jewelry. The fee will be based on the number of items to be sold, as well as the value of those items. Fees will be agreed upon prior to selling your jewelry.

Gunderson’s Appraisers

Your clients’ jewelry should only be appraised by qualified, credentialed appraisers. Gunderson’s estate appraisers are accredited GIA Graduate Gemologists (GG) and AGS Certified Gemologists Appraisers (CGA) who have the experience, knowledge and judgment to research and analyze jewelry and make a reasonable and supportable opinion of value.  Achieving this status requires continuous study and re-certification exams, ensuring that our appraiser meet the highest standards in the industry

Brian Gunderson has also earned the International Society of Appraisers (ISA) accreditation, which is only received after successfully completing a rigorous and lengthy course structure and peer evaluation and approval process. ISA-accredited appraisers are bound to abide by the rigid Code of Ethics and Professional Conduct, which embrace the highest standards of the profession. They are recognized by the IRS as “qualified”.

Breanne Demers, GG/CGA

Breanne is the President and COO of Gunderson’s Jewelers and has more than 10 years of experience in the jewelry and diamond industry. She has been a member of the American Gem Society and the Natural Color Diamond Association for over 10 years. Breanne is a highly qualified and respected industry expert in all areas of gemstone and diamond identification and appraisal services.

Brian Gunderson, GG/CGA/ISA

Brian is the third generation owner and CEO of Gunderson’s Jewelers.  Being involved in the jewelry business the majority of his life, he has built a reputation for integrity, honesty, and superior customer service. He has been a member of the American Gem Society for over 35 years and is certified to provide expert testimony in court. Brian has worldwide connections in the resale markets and can assist clients in acquiring the best prices for their estates.

Shelbi Conover, GG/CGA

Shelbi is our newest Certified Gemologist Appraiser. A Graduate Gemologist, she attended the Gemological Institute of America in Carlsbad, CA where she studied Graduate Gemology and jewelry design CAD/CAM. She is a member of the American Gem Society and the Women’s Jewelry Association. Shelbi is highly qualified in diamond grading, gemstone identification, and appraisals.

The Gunderson’s difference

We Choose Only The Best

At Gunderson’s we handpick the finest quality diamonds to ensure the very best value for our customers. Our large diamond inventory is complemented by our extensive selection of quality designer engagement rings, wedding bands and fine fashion jewelry to help you celebrate all of life’s occasions!

YOURS – For Life

The priceless element in purchasing your engagement ring at Gunderson’s is WE ARE HERE FOR YOU! Our clients are more than a number: you’re our friends. The most beloved part of our job is the opportunity to be a part of every special occasion: your engagement, anniversaries, births, graduations, and family milestones. Gunderson’s will be a devoted advocate in assisting you on all your lifelong journeys.

Tremendous Variety

Gunderson’s provides a vast selection of loose diamonds to fit any style and price. We offer an array of diamond shapes, size, color, and weight for you to choose from to find the perfect diamond.

Personalized Guidance

A personal choice requires personal direction. Our diamond professionals offer an in-depth diamond education to every customer, providing you with the essential tools that are imperative when selecting the perfect diamond that aligns with your preferences and budget.

Post Investment Benefits

We offer a lifetime of complementary services after the sale to ensure you enjoy your jewelry for a lifetime. Services include jewelry cleaning, routine maintenance, sizing, and insurance appraisals.

Comfort & Assurance

We never want anything bad to happen, but should an accident or theft occur, in addition to our certified appraisers, we also have experienced jewelry consultants, diamond brokers, design experts, and insurance replacement consultants – all with access to leading designers and dealers worldwide – who will work to solve any issues you are facing. Whether it is a purchase, a gift you’ve received or an heirloom piece that has been passed down as part of a loved one’s estate, Gunderson’s will take good care of you in any situation.

Financing

We offer exceptionally flexible financing options with approved credit. Ask your diamond expert about terms, conditions and how to apply.

Custom Design

One of our favorite things at Gunderson’s Jewelers is custom design.

From complete restoration to repurposing old jewelry to developing a new idea into reality, we love hearing the stories behind each request and working together with customers to create stunning one-of-a-kind pieces of jewelry.

We invite you to create a special symbol of your love with our talented designers in Sioux City, Sioux Falls, Omaha and Fargo. Read More

Jewelry repair

Gunderson’s has a full service in-house jewelry repair facility. From simple cleaning and polishing, sizing rings and setting gemstones to complete overhauls on any type of jewelry, our experienced staff provides prompt and professional service.

Our professional goldsmiths are expert craftsmen with years of experience.
We offer the following services, and many more:

  • Ring Sizing
  • Diamond Setting
  • Gemstone Setting
  • Stone Tightening
  • Soldering
  • Prong Repair
  • Ring Shanks
  • Chain Repair
  • Clasp Replacements
  • Rhodium Plating

Watch repair

Equally important to owning that rare or cherished timepiece is the responsibility to maintain it. Proper service ensures that its beauty, value and function endure.

Gunderson’s Jewelers features an onsite state-of-the-art watch repair facility. Our certified watchmakers are trained to repair your finest timepieces. Our watch services include, but are not limited to: battery replacement, crystal replacement, bracelet sizing, water resistance maintenance and complete movement overhaul.

Gunderson’s is an official service provider for Rolex, Cartier and the Swatch Group of watches, comprised of Omega, Longines, Rado, Tissot, and Hamilton watches. In addition to the timepiece brands listed above, we service numerous other brands.

Harry Granzow

Harry Granzow is a licensed watchmaker from the state of Indiana and has completed training by Rolex, Cartier and the Swatch Group of watches.

David Threlkeld

David Threlkeld graduated Suma Cum Laude from Oklahoma State University Institute of Technology with an Associate of Applied Science in Watchmaking and Microtechnology. He is certified by the Swiss American Watchmakers Training Alliance (SAWTA) and has CW21 (Certified Watchmaker of the 21st century) certification from AWCI (American Watchmakers and Clockmakers Institute), the primary certifying organization for professional watchmakers in the U.S.

Watch Maintenance is Important

Most watches will require cleaning, adjustments or simple preventative maintenance. While your watch may need occasional minor maintenance or repairs, periodic inspection and service can prevent substantial, expensive problems from developing.

Gunderson’s is a member of the American Watchmakers and Clockmakers Institute, the Chronometer Club and the National Association of Watch and Clock Collectors.

Appraisals

We are the premier, qualified appraisers of fine gems and jewelry in the region. We serve attorneys and estate planners, private bankers, bank trust departments, insurance professionals, and private individuals. Whether you need an accurate appraisal for insurance, estate planning or liquidation, buying or selling, we are here for you.

Price guide – Written Jewelry Appraisals
First Item

$75.00

Second to Tenth Item

$50.00

Eleventh to Twenty-fifth Item

$40.00

Twenty-fifth to Fiftieth Item

$30.00

More Than Fifty Items

Volume Pricing to be Detemined

Vintage/Antique Items Needing Extensive Research

$160.00 per item

Loose Stones

$85.00 per item

Colored Diamonds

$100.00 per item

Assistance in selling pieces

Gundersons uses a sliding fee to assist in selling your jewelry. The fee will be based on the number of items to be sold, as well as the value of those items. Fees will be agreed upon prior to selling your jewelry.

Gunderson’s Appraisers

Your clients’ jewelry should only be appraised by qualified, credentialed appraisers. Gunderson’s estate appraisers are accredited GIA Graduate Gemologists (GG) and AGS Certified Gemologists Appraisers (CGA) who have the experience, knowledge and judgment to research and analyze jewelry and make a reasonable and supportable opinion of value.  Achieving this status requires continuous study and re-certification exams, ensuring that our appraisers meet the highest standards in the industry.

Brian Gunderson has also earned the International Society of Appraisers (ISA) accreditation, which is only received after successfully completing a rigorous and lengthy course structure and peer evaluation and approval process. ISA-accredited appraisers are bound to abide by the rigid Code of Ethics and Professional Conduct, which embrace the highest standards of the profession. They are recognized by the IRS as “qualified”.

Breanne Demers, GG/CGA

Breanne is the President and COO of Gunderson’s Jewelers and has more than 10 years of experience in the jewelry and diamond industry. She has been a member of the American Gem Society and the Natural Color Diamond Association for over 10 years. Breanne is a highly qualified and respected industry expert in all areas of gemstone and diamond identification and appraisal services.

Brian Gunderson, GG/CGA/ISA

Brian is the third generation owner and CEO of Gunderson’s Jewelers. Being involved in the jewelry business the majority of his life, he has built a reputation for integrity, honesty, and superior customer service. He has been a member of the American Gem Society for over 35 years and is certified to provide expert testimony in court. Brian has worldwide connections in the resale markets and can assist clients in acquiring the best prices for their estates.

Shelbi Conover, GG/CGA

Shelbi is our newest Certified Gemologist Appraiser. A Graduate Gemologist, she attended the Gemological Institute of America in Carlsbad, CA where she studied Graduate Gemology and jewelry design CAD/CAM. She is a member of the American Gem Society and the Women’s Jewelry Association. Shelbi is highly qualified in diamond grading, gemstone identification, and appraisals.

The Gunderson’s difference

We Choose Only The Best

At Gunderson’s we handpick the finest quality diamonds to ensure the very best value for our customers. Our large diamond inventory is complemented by our extensive selection of quality designer engagement rings, wedding bands and fine fashion jewelry to help you celebrate all of life’s occasions!

YOURS – For Life

The priceless element in purchasing your engagement ring at Gunderson’s is WE ARE HERE FOR YOU! Our clients are more than a number: you’re our friends. The most beloved part of our job is the opportunity to be a part of every special occasion: your engagement, anniversaries, births, graduations, and family milestones. Gunderson’s will be a devoted advocate in assisting you on all your lifelong journeys.

Tremendous Variety

Gunderson’s provides a vast selection of loose diamonds to fit any style and price. We offer an array of diamond shapes, size, color, and weight for you to choose from to find the perfect diamond.

Personalized Guidance

A personal choice requires personal direction. Our diamond professionals offer an in-depth diamond education to every customer, providing you with the essential tools that are imperative when selecting the perfect diamond that aligns with your preferences and budget.

Post Investment Benefits

We offer a lifetime of complementary services after the sale to ensure you enjoy your jewelry for a lifetime. Services include jewelry cleaning, routine maintenance, sizing, and insurance appraisals.

Comfort & Assurance

We never want anything bad to happen, but should an accident or theft occur, in addition to our certified appraisers, we also have experienced jewelry consultants, diamond brokers, design experts, and insurance replacement consultants – all with access to leading designers and dealers worldwide – who will work to solve any issues you are facing. Whether it is a purchase, a gift you’ve received or an heirloom piece that has been passed down as part of a loved one’s estate, Gunderson’s will take good care of you in any situation.

Financing

We offer exceptionally flexible financing options with approved credit. Ask your diamond expert about terms, conditions and how to apply.

Gunderson’s believes in honesty, quality and reliability. Our goal is to make the highest quality diamonds, fine jewelry and gifts available in an online shopping environment that’s safe, secure and enjoyable.

Gunderson’s sits on a rich and diverse foundation of experience in the diamond industry – more than 6 decades of involvement in every facet of the business: from diamond mining to diamond cutting, from jewelry design through production. And, Gunderson’s is also supported by effective sales and marketing efforts, with corporate incentive programs, successful retail outlets, and now a major presence on the Internet.

The credentials of the staff at Gunderson’s are as sparkling as the stones they know so well — trained Graduate Gemologists from the Gemological Institute of America, certified Gemologist Appraisers from the American Gem Society, and members of the International Society of Appraisers.

For our knowledgeable and friendly team, diamonds are more than just a business…they’re a vocation. They’re contemporary veterans keeping current with new trends and staying at the vanguard of design innovation. At Gunderson’s, our service is unmatched, our value is unparalleled, and our prices are fantastic!

Gunderson’s believes in honesty, quality and reliability. Our goal is to make the highest quality diamonds, fine jewelry and gifts available in an online shopping environment that’s safe, secure and enjoyable.

Gunderson’s sits on a rich and diverse foundation of experience in the diamond industry – more than 6 decades of involvement in every facet of the business: from diamond mining to diamond cutting, from jewelry design through production. And, Gunderson’s is also supported by effective sales and marketing efforts, with corporate incentive programs, successful retail outlets, and now a major presence on the Internet.

The credentials of the staff at Gunderson’s are as sparkling as the stones they know so well — trained Graduate Gemologists from the Gemological Institute of America, certified Gemologist Appraisers from the American Gem Society, and members of the International Society of Appraisers.

For our knowledgeable and friendly team, diamonds are more than just a business…they’re a vocation. They’re contemporary veterans keeping current with new trends and staying at the vanguard of design innovation. At Gunderson’s, our service is unmatched, our value is unparalleled, and our prices are fantastic!