About Us

Since 1996, The Diamond Room by Spektor, founded by Alon Spektor and Dave Anderson,  has been a cornerstone of Sioux Falls, offering exceptional quality jewelry and unparalleled service. Our commitment to excellence has earned us the title of Sioux Falls' Local Best for 18 consecutive years and #1 Jewelry Store for the past four years.

With the largest diamond selection in the Sioux Empire and a diverse range of jewelry for all budgets, we pride ourselves on building lasting relationships with our customers. Our unique structure, backed by Spektor Diamonds' wholesale arm, allows us to cater comprehensively to our clientele. We're also deeply committed to our community, regularly contributing to local organizations such as The Boys & Girls Club, the National Kidney Foundation, Sanford Legends, and Make-a-Wish.

Alon Spektor

Hometown: Sioux Falls, SD
Position: Owner
Years in the jewelry industry: 40
Favorite Diamond Shape: Round
White vs Yellow Gold: White

Chad Anderson

Hometown: Sioux Falls, SD
Position: Goldsmith
Years in the jewelry industry: 35
Favorite Diamond Shape: Emerald
White vs Yellow Gold: White

Chris Harms

Hometown: Sibley, IA
Position: Inventory/Sales
Years in the jewelry industry: 25
Favorite Diamond Shape: Round
White vs Yellow Gold: White

Coby Spektor

Hometown: Sioux Falls, SD
Position: Spektor Inc. Inventory
Years in the jewelry industry: 4
Favorite Diamond Shape: Oval
White vs Yellow Gold: Yellow

Emily Arteman

Hometown: Huron, SD
Position: Sales/Marketing
Years in the jewelry industry: 2
Favorite Diamond Shape: Radiant
White vs Yellow Gold: Yellow

Kennedi Fox

Hometown: Watertown, SD
Position: Sales
Years in the jewelry industry: 1
Favorite Diamond Shape: Trillion
White vs Yellow Gold: Two-Tone

Kyle Kopischke

Hometown: Morgan, MN
Position: Gemologist/Sales
Years in the jewelry industry: 10
Favorite Diamond Shape: Round
White vs Yellow Gold: White

Kyle Leeks

Hometown: Leesburg, FL
Position: Sales
Years in the jewelry industry: 4
Favorite Diamond Shape: Radiant
White vs Yellow Gold: Yellow Gold

Sandy Spektor

Hometown: Sioux Falls, SD
Position: Bookkeeper
Years in the jewelry industry: 40
Favorite Diamond Shape: Pear
White vs Yellow Gold: White

Sue Arntz

Hometown: LeCenter, MN
Position: Sales
Years in the jewelry industry: 20
Favorite Diamond Shape: Round
White vs Yellow Gold: Two-Tone

Freddy Spektor

Hometown: Sioux Falls, SD
Position: Ambassador of Fun, Honorary Security Guard, Lover of all People

Today, The Diamond Room is known throughout the region for having the areas largest selection of loose diamonds, unique jewelry designs and exclusive watch lines you won't find anywhere else.

Our loyal customers and their positive referrals have not only gotten us to where we are today but will also continue to assist us with our growth in the future.

Our Showroom

At The Diamond Room, we pride ourselves with outstanding customer service and building long term nationwide relationships with our customer’s! It is because of our loyal customers and word of mouth referrals that has gotten us to where we are today and the future of where we are going!

We offer a full scale jewelry showroom with the largest selection of loose diamonds in the area!

Our beautiful showroom offers a very relaxed atmosphere with a knowledgeable staff and 2 in-house goldsmiths that excel in quality jewelry repair.