Nidiffer Gem Laboratory, LLC
How we got $1.3M
Based on typical figures for its industry (2022 Economic Census), not its own records.
What we know
Signs of a sale High sell likelihood
- In business 40 years (since 1986)
- Founder still runs it after 40 years
- No family successor named on its website
From public records and the company's website, not a statement that it's for sale.
What they do
Nidiffer Gem Laboratory, LLC is a Tulsa, Oklahoma gemological services company that provides jewelry appraisals, expert witness services, estate jewelry brokerage, and jewelry liquidation appraisals. It is owned and operated by Laurie Nidiffer and was established in 1986.
From the company's website. Industry: All Other Professional, Scientific, and Technical Services.
Compared with similar businesses nearby
| Business | Est. revenue | Distance |
|---|---|---|
| Nidiffer Gem Laboratory, LLC this business | $1.1M | — |
| KEVIN JOSEPH PHOTOGRAPHY LLC Tulsa · 1 employees | $264K | 0.8 mi |
| RITCHIE & KARBOWSKI LLC Tulsa · 2 employees | $753K | 0.9 mi |
| INK & ICE LLC Tulsa · 2 employees | $487K | 0.9 mi |
| ABERDEEN ENTERPRIZES II, INC Tulsa · 19 employees | $5.1M | 0.9 mi |
| Cedarwood Veterinary Clinic Tulsa | $1.2M | 1.1 mi |
| WILLIAMS PHOTOGRAPHY LLC Tulsa · 5 employees | $1.0M | 1.2 mi |
The full calculation
Figures are shown toward the upper part of their range rather than at its middle.
Brought up to date assuming revenue has grown 8% a year since 2020, when the PPP figures were reported; included above.
| Estimated value = EBITDA × typical sale multiple | $1.3M |
| Multiple for this size and industry | 3× |
| Value range | $435K – $2.1M |
This business has no PPP loan on record, so there is no business-specific data. The figures are the typical estimated revenue of All Other Professional, Scientific, and Technical Services businesses in our Oklahoma data: the middle value, with the range covering the middle half of those businesses. EBITDA applies the industry margin (41%). Treat these as a rough guide.
| Revenue range | $441K – $1.4M |
| EBITDA range | $181K – $585K |
| Industry (NAICS) | All Other Professional, Scientific, and Technical Services (541990) |
EBITDA margin: from IRS tax returns of S corporations in this industry (2019–2022), adjusted for company size: smaller companies typically run higher margins. EBITDA here is after owners' salaries.
Benchmarks: US Economic Census 2022. These are statistical estimates, not reported financials. Listing details come from Overture Maps open data. Full methodology
History & advisors
“Established in 1986, Nidiffer Gem Laboratory was soon recognized as the preferred gemological services company in the Midwestern United States.”
From the company's own website and public filings (DOL Form 5500, IRS Form 990, SBA). Roles are as stated there and may be out of date.
Public records
Matched to this business by name and address from public government data; a match can occasionally be wrong.
About Nidiffer Gem Laboratory, LLC
Nidiffer Gem Laboratory, LLC is an all other professional, scientific, and technical services company in Tulsa, Oklahoma, in business since 1986. It is owned by Laurie Nidiffer. Its estimated annual revenue is about $1.1M, with roughly $435K of EBITDA. Its estimated business value is $1.3M (likely range $435K–$2.1M).
Common questions
- Who owns Nidiffer Gem Laboratory, LLC?
- Nidiffer Gem Laboratory, LLC is owned by Laurie Nidiffer, according to public sources such as the company's website or filings.
- How much revenue does Nidiffer Gem Laboratory, LLC make?
- SeeBITDA estimates Nidiffer Gem Laboratory, LLC's annual revenue at about $1.1M (likely between $441K and $1.4M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
- What is Nidiffer Gem Laboratory, LLC worth?
- About $1.3M, roughly 3× its estimated EBITDA of $435K, typical for a all other professional, scientific, and technical services company its size. Likely range: $435K–$2.1M.
- When was Nidiffer Gem Laboratory, LLC founded?
- Nidiffer Gem Laboratory, LLC has been in business since 1986.
- Is Nidiffer Gem Laboratory, LLC for sale?
- There's no public listing, but it shows signs that often come before a sale: in business 40 years (since 1986); founder still runs it after 40 years; no family successor named on its website.