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Private company

Adamas One Corp.

Adamas One Corp. is an American jewelry company based in Scottsdale, incorporated in Nevada.2

Last updated Oct 21, 2026.

Overview

  • IndustryJewelry, Silverware & Plated Ware2
  • HeadquartersScottsdale, United States2
  • Incorporated inNV3
  • Business address17767 N. Perimeter Dr., Suite B115, Scottsdale, Az 852553
  • Filer categoryNon-accelerated filer, Smaller reporting company, Emerging growth company3
  • Legal formProfit Corporation2
  • LEI549300VSA3XH0KD8UO562
  • StatusActive2
  • LEI statusLapsed (not renewed)2
  • Registered addressC/O REGISTERED AGENT INC., 89706 Carson City, United States2
  • Registered withBusiness Center (Secretary of State), E0420662018-02

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Technology.” Our Lab-grown diamonds have the exact physical, chemical, and optical properties of the best mined diamonds.4 From its latest annual report

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2023

74.9%Gross margin5
-1991.4%Operating margin5
-2237.2%Net margin5
-43.7%Revenue growth, 20235
-721.8%Return on equity5

Where the money goes

Where each dollar of revenue went, fiscal 2023

  • Cost of revenue2¢$253.1K
  • Research and development2¢$200.0K
  • Selling, general and admin93¢$11.0M
  • Interest4¢$438.3K

Out of $1.0M in revenue.5 The company lost money this year.

Financial statements

Revenue5$1.0M in 2023−44% since 2022
0$500.0K$1.0M$1.5M$2.0M2022: $1.8M$1.8M20222023: $1.0M$1.0M2023−44%
Gross profit5$754.6K in 2023−36% since 2022
0$500.0K$1.0M$1.5M2022: $1.2M$1.2M20222023: $754.6K$754.6K2023−36%
Operating income5-$20.1M in 2023+125% since 2022
-$30.0M-$20.0M-$10.0M02022: -$8.9M-$8.9M20222023: -$20.1M-$20.1M2023+125%
Net income5-$22.5M in 2023+104% since 2022
-$30.0M-$20.0M-$10.0M02022: -$11.1M-$11.1M20222023: -$22.5M-$22.5M2023+104%
Fiscal year202120222023
Revenue$1.8M5$1.0M5
Cost of revenue$603.3K5$253.1K5
Gross profit$1.2M5$754.6K5
Research and development$220.0K5$200.0K5
Selling, general and admin$4.7M5$11.0M5
Operating expenses$10.1M5$20.8M5
Operating income-$8.9M5-$20.1M5
Interest$2.1M5$438.3K5
Income before tax-$11.1M5-$22.5M5
Net income-$11.1M5-$22.5M5

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Corporate structure

Adamas One Corp. sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of Adamas One Corp.

  • Hyperscale Data, Inc. Filed SCHEDULE 13G/A on Adamas One Corp., latest Feb 14, 2025 (3 filings since Dec 21, 2022)
  • Adamas One Corp. Scottsdale, Arizona, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Adamas One Corp. reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Property and equipment

ItemLatestA year beforeChange
Property and equipment, net$1.8M5 Sep 30, 2023$640.0K5 Sep 30, 2022+179.0%
Operating-lease assets (leased space)$1.7M5 Sep 30, 2023

Investments

ItemLatestA year beforeChange
Cash and cash equivalents$26.1K5 Sep 30, 2023$88.2K5 Sep 30, 2022−70.4%

Intangibles and goodwill

ItemLatestA year beforeChange
Goodwill$5.4M5 Sep 30, 2023$5.4M5 Sep 30, 20220%
Intangible assets, net (excluding goodwill)$426.0K5 Sep 30, 2023$498.0K5 Sep 30, 2022−14.5%

Inventory

ItemLatestA year beforeChange
Inventory, total$1.6M5 Sep 30, 2023$58.7K5 Sep 30, 2022+2549.9%
Work in process$651.8K5 Sep 30, 2023$31.9K5 Sep 30, 2022+1946.1%
Finished goods$903.4K5 Sep 30, 2023$26.8K5 Sep 30, 2022+3266.8%

Leadership

Who has led Adamas One Corp., and when. Pick a name to see everywhere that person has worked.

Chief executive

  1. John Grdina2022–2023

President

  1. John Grdina2022–2023

Chief financial officer

  1. Steven Staehr2022
2025
Board members and other officers (4)

Timeline

  1. Sep 9, 20248-K Listing notice or transfer14
  2. Aug 27, 20248-K Listing notice or transfer15
  3. Jun 13, 20248-K Listing notice or transfer16
  4. May 24, 20248-K Listing notice or transfer17
  5. Apr 29, 20248-K Listing notice or transfer18
  6. Apr 17, 20248-K Listing notice or transfer19
  7. Apr 17, 20248-K Other events20
  8. Apr 17, 20248-K Other events21
  9. Feb 23, 20248-K Listing notice or transfer22
  10. Jan 25, 20248-K Listing notice or transfer23
  11. Jan 3, 20248-K Other events24
  12. Nov 6, 20238-K Change of auditor; Other events25
  13. Nov 14, 2022New chief executive John Grdina becomes CEO9
  14. Sep 6, 2018Founded Adamas One Corp. is founded2

Filings

89 filings to the SEC since October 2021: 2 annual reports, 8 quarterly reports, 20 major events, 19 insider forms, 3 large holders, 37 other. The latest 20:

  1. Feb 14, 2025SCHEDULE 13G/A EDGAR
  2. Oct 23, 202410-Q/A ADAMAS ONE CORP. FORM 10-Q/A, AMENDMENT NO. 1 EDGAR
  3. Oct 15, 202410-Q ADAMAS ONE CORP. FORM 10-Q EDGAR
  4. Sep 9, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  5. Aug 27, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  6. Aug 26, 202410-Q ADAMAS ONE CORP. FORM 10-Q EDGAR
  7. Aug 23, 202410-Q/A ADAMAS ONE CORP. FORM 10-Q/A, AMENDMENT NO. 1 EDGAR
  8. Aug 22, 202410-Q ADAMAS ONE CORP. FORM 10-Q EDGAR
  9. Aug 21, 202410-K ADAMAS ONE CORP. 10-K EDGAR
  10. Aug 15, 2024NT 10-Q ADAMAS ONE CORP. NT 10-Q EDGAR
  11. Jun 13, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  12. May 24, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  13. Apr 29, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  14. Apr 17, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  15. Apr 17, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  16. Apr 17, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  17. Feb 23, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  18. Feb 16, 2024NT 10-Q ADAMAS ONE CORP. FORM NT 10-Q EDGAR
  19. Jan 25, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR
  20. Jan 3, 20248-K ADAMAS ONE CORP. FORM 8-K EDGAR

The 89 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

2 open-market trades by officers, directors and large owners since October 2021: 2 buys and 0 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Jan 26, 2023Grdina JohnPresident and CEOBuy20,000$2.51$50.2KForm 4
Jan 23, 2023Grdina JohnPresident and CEOBuy40,000$2.67$106.8KForm 4

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

SEC filer profile

How Adamas One Corp. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARAdamas One Corp.1
  • CIK0001884072
  • Employer ID (EIN)83-18336071
  • Filer statusNon-accelerated filer<br>smaller reporting company<br>emerging growth company1
  • Incorporated inNevada1
  • Fiscal year endsSeptember 301
  • Industry code (SIC)3910 Jewelry, Silverware & Plated Ware1
  • SEC reviewing officeOffice of Manufacturing, Division of Corporation Finance1
  • Business address17767 N. Perimeter Dr., Suite B115, Scottsdale, AZ 852551
  • Phone(480) 356-87981
  • Shares outstanding38,047,648 as of Aug 23, 20248
  • Public float$0 as of Sep 30, 20235
  • On EDGAR sinceSep 23, 20211
  • Filings91 in all: 8-K (20), 4 (11), 3 (8), CORRESP (8), UPLOAD (8), 10-Q (6), NT 10-Q (5), S-1/A (4)1
    All 24 form types

    10-K (2), 10-Q/A (2), DRS/A (2), DRSLTR (2), NT 10-K (2), 25-NSE (1), 424B4 (1), 8-A12B (1), CERT (1), D (1), DRS (1), EFFECT (1), S-1 (1), SC 13G (1), SC 13G/A (1), SCHEDULE 13G/A (1)

  • Latest filingsAnnual report (10-K) Aug 21, 2024
    Quarterly report (10-Q) Oct 15, 2024
    Latest 8-K (8-K) Sep 9, 2024

Sources

The numbers on this page point here. Each one links to the record it came from.

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    SEC EDGAROther events
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    SEC EDGAROther events
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