Official regulatory body • Gambling Commission subsidiary
Home Register of verified URLs Assessment report VER-105
Pending reassessment • Report VER-105
Slot game platform

slot.day/everi/black-diamond/

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Assessment summary

Comprehensive compliance assessment completed 4 December 2025 identifies strong performance across most indicators with two areas requiring attention. Black Diamond luxury jewel-themed slot content demonstrates good age verification and responsible gambling implementation, but marketing language intensity and bonus claim presentation require refinement to achieve full compliance with UK gambling regulation standards.

45/47
Indicators passed
95.74%
Compliance score
21/22
Critical indicators
147
Assessment minutes

Verification details

Assessment ID VER-105
Assessment date 4 Dec 2025
Valid until 4 Dec 2026
Methodology version 2.1
Lead analyst R. Thompson
Verification analyst L. Williams
Consensus achieved Yes
Pending reassessment

This URL achieves 95.74% compliance but requires minor corrections to two non-critical indicators. Operator notified 4 December 2025. Reassessment scheduled within 90 days to verify implementation of recommended changes.

Compliance score breakdown

Age verification

8/8
Category compliance 100%

All critical indicators passed. Prominent 18+ warnings throughout Black Diamond slot pages, age gate implemented, luxury jewel theme appropriate for adult audience only.

Operator licensing

6/6
Category compliance 100%

Platform operator verified UK-licensed. Everi game provider licensing confirmed. Licence information accessible in footer. All regulatory requirements met.

Responsible gambling

10/10
Category compliance 100%

BeGambleAware messaging visible on all Black Diamond game pages. Helpline prominent in header. GamStop information accessible. Reality check features implemented.

Marketing standards

8/9
Category compliance 88.89%

One non-critical indicator requires attention. Promotional language for Black Diamond jackpot features uses excessive urgency phrasing. Otherwise accurate presentation maintained.

Bonus transparency

6/7
Category compliance 85.71%

One non-critical indicator requires attention. Welcome bonus wagering requirements need more prominent display. Maximum win limits disclosed. Terms accessible.

Affiliate disclosure

7/7
Category compliance 100%

Not applicable for direct operator platform. No affiliate relationships disclosed as slot.day operates as licensed platform hosting Everi content directly.

Detailed indicator assessment

Category 1

Age verification and protection of minors

8 indicators • Legal basis: Gambling Act 2005 s.46-50, LCCP 3.2.3

8/8
Indicator Status Evidence
AV-01: Prominent 18+ warning visible
LCCP 3.2.3(1) • Critical • Weight 5.0
Pass 18+ symbol prominently displayed in header across all Black Diamond slot pages (top-right, 52x52px). Visible without scrolling on desktop and mobile. High contrast black on white background with orange accent.
AV-02: Age verification gate present
LCCP 3.2.3(2) • Critical • Weight 5.0
Pass Age verification modal appears on first visit to slot.day platform. Requires date of birth entry before accessing Black Diamond game content. Under-18 entry blocks access with responsible gambling resource links.
AV-03: No content appealing to children
CAP 16.3.12 • Critical • Weight 4.0
Pass Black Diamond slot theme features luxury jewels, diamonds, and sophisticated wealth imagery appropriate for adult audience. No cartoon elements, youth cultural references, or child-oriented design. Premium aesthetic maintained throughout.
AV-04: No marketing to persons under 18
LCCP 5.1.2 • Critical • Weight 4.0
Pass No youth influencer partnerships identified. Social media promotion for Black Diamond slot age-gated (25+ targeting on Facebook, 21+ on Instagram). No presence on TikTok or platforms with majority under-18 audiences.
AV-05: Consistent age verification messaging
LCCP 3.2.3(3) • Non-critical • Weight 2.0
Pass 18+ symbol present in header across all assessed pages (Black Diamond game page, slot.day homepage, game rules, paytable information). Consistent placement top-right and styling maintained throughout user journey.
AV-06: Demo games require age verification
LCCP 3.2.3(4) • Critical • Weight 4.0
Pass Black Diamond demo play functionality requires age verification completion before activation. Free play mode accessible only after date of birth confirmation. Same age gate applies to demo and real money modes.
AV-07: Social media promotion age-restricted
CAP 16.3.14 • Non-critical • Weight 2.0
Pass Facebook and Instagram promotion of Black Diamond slot reviewed. Both accounts utilize platform age-restriction settings (25+ targeting). All promotional content includes 18+ warnings and BeGambleAware messaging.
AV-08: YouTube content age-restricted
CAP 16.3.12 • Critical • Weight 4.0
Pass Black Diamond gameplay videos on slot.day YouTube channel utilize YouTube age-restriction feature. All videos marked 18+ with age gate before viewing. Video descriptions include responsible gambling warnings.
Category 2

Operator licensing verification

6 indicators • Legal basis: Gambling Act 2005 s.33, s.37

6/6
Indicator Status Evidence
OL-01: All operators hold valid UK licence
GA 2005 s.33 • Critical • Weight 5.0
Pass Slot.day platform operator verified via Gambling Commission public register. Licence number 45892 active and in good standing. Everi game provider licensing confirmed. Assessment date: 4 December 2025.
OL-02: Licensing information accessible
LCCP 1.1.1 • Non-critical • Weight 2.0
Pass Gambling Commission licence number displayed in footer on all Black Diamond pages. Direct link to Commission public register entry provided. Everi game provider licensing information accessible via "About" section.
OL-03: No unlicensed operator promotion
GA 2005 s.330 • Critical • Weight 5.0
Pass Platform operates under direct UK licensing. No third-party unlicensed operators promoted. All game content provided by licensed suppliers. Black Diamond slot verified as Everi licensed content.
OL-04: Links resolve to UK-licensed domains
LCCP 1.1.2 • Critical • Weight 4.0
Pass N/A - Direct operator platform
OL-05: Licence numbers displayed where claimed
LCCP 1.1.1 • Non-critical • Weight 2.0
Pass Gambling Commission licence number 45892 displayed in footer section of all Black Diamond pages. Number accurate and corresponds to Commission register entry verified 4 December 2025.
OL-06: Content updated for licence changes
GA 2005 s.119 • Critical • Weight 4.0
Pass Platform operator confirmed automated monitoring system for licence status. No suspended or revoked licences in game portfolio. Last verification: 2 December 2025. Everi content licensing current.
Category 4

Marketing standards compliance

9 indicators • Legal basis: CAP Code sections 16.1, 16.3

8/9
Indicator Status Evidence
MS-04: No excessive urgency language
CAP 16.3.2 • Non-critical • Weight 2.0
Minor issue Black Diamond promotional banner uses phrases "Win NOW", "Don't miss out!", and "Limited time jackpots". While jackpot features are legitimate game mechanics, urgency language intensity exceeds recommended standards. Recommend softening to "Play today" and removing time pressure phrasing.

Non-critical issue identified

Marketing language for Black Diamond jackpot features requires refinement to reduce urgency intensity. This is a non-critical indicator (weight 2.0) and does not affect overall compliance determination significantly.

Recommendation: Replace "Win NOW" with "Play Black Diamond", remove "Don't miss out" phrasing, and present jackpot features without time pressure language. Maintain factual game feature descriptions.

Category 5

Bonus terms transparency

7 indicators • Legal basis: CAP 16.1, LCCP 5.1.4

6/7
Indicator Status Evidence
BT-01: Wagering requirements prominent
CAP 16.1 • Non-critical • Weight 3.0
Minor issue Welcome bonus for Black Diamond slots displays "100 free spins" prominently but wagering requirement (35x) appears in smaller text below fold on mobile viewport. Desktop presentation adequate. Recommend increasing mobile prominence to match desktop visibility.

Non-critical issue identified

Wagering requirement prominence on mobile viewport requires enhancement. Desktop presentation meets standards, but mobile users must scroll to see full wagering terms for Black Diamond welcome bonus.

Recommendation: Increase font size of "35x wagering applies" text on mobile to minimum 14px. Position wagering requirement above fold or immediately adjacent to "100 free spins" claim on all viewports.

Complete assessment documentation

Detailed evidence and assessment notes for remaining indicator categories (Responsible Gambling, Affiliate Disclosure) available in full assessment report documentation. All remaining categories achieved 100% compliance.

All 47 indicators assessed with comprehensive evidence documentation. Two non-critical indicators identified requiring minor corrections. Assessment conducted in accordance with Methodology v2.1. Dual verification completed with 100% analyst consensus achieved.

Assessment process and quality assurance

Assessment timeline

1
Discovery and prioritization
URL identified through platform monitoring. Prioritization score: 782 (high traffic slot platform page). Catalogued: 19 November 2025
2
Automated screening
Automated checks completed: 28 November 2025. 28 indicators assessed automatically. Preliminary score: 27/28 pass. Processing time: 3.8 minutes
3
Expert human assessment
Lead analyst: R. Thompson (73 min). Verification analyst: L. Williams (68 min). Consensus discussion: 6 min. Assessment date: 4 Dec 2025
4
Classification and notification
Determination: Pending reassessment (45/47 indicators, 95.74% score). Operator notified: 4 Dec 2025. Reassessment scheduled: Within 90 days

Quality assurance metrics

Inter-rater agreement 100%

Both analysts achieved identical determinations across all 47 indicators. No discrepancies requiring resolution.

Automated screening confidence 91.3%

Average confidence score across 28 automated indicators. All scores above 85% threshold requiring human verification.

Assessment duration 147 min

Total analyst time including dual verification and documentation. Within standard range (45-90 min lead + 45-90 min verification).

Methodology version 2.1

Current methodology version applied. Last updated: 15 Jan 2025. Quarterly review scheduled: April 2025.

Analyst qualifications and independence

Lead analyst: R. Thompson

  • 40-hour methodology training completed: February 2024
  • Inter-rater reliability qualification: κ = 0.93 (above 0.85 threshold)
  • GambleAware harm awareness training: Completed
  • Assessments completed: 134 (68 verified, 41 violations, 25 minor issues)
  • Conflict of interest declaration: None identified
  • Last calibration session: 28 November 2025

Verification analyst: L. Williams

  • 40-hour methodology training completed: March 2024
  • Inter-rater reliability qualification: κ = 0.89 (above 0.85 threshold)
  • GambleAware harm awareness training: Completed
  • Assessments completed: 119 (59 verified, 38 violations, 22 minor issues)
  • Conflict of interest declaration: None identified
  • Last calibration session: 28 November 2025

Site operator information

Operator details

Operating entity
SlotDay Gaming Limited
Company registration
13294817 (England and Wales)
Primary contact
David Martinez (Head of Compliance)
Contact email
Business address
88 Queen Street, London EC4N 1SA
Content type
Licensed slot platform

Assessment history

Current assessment (VER-105)
4 December 2025 • Methodology v2.1
Pending reassessment
No previous assessments on record. This is the first comprehensive compliance assessment for this specific Black Diamond slot page URL. Platform launched: March 2024. Black Diamond slot added: September 2024.

Reassessment timeline

Assessment date 4 Dec 2025
Operator notified 4 Dec 2025
Reassessment due Within 90 days
Expected completion March 2026

Issues identified

Marketing language intensity
Non-critical • Category 4
Mobile wagering prominence
Non-critical • Category 5

Both issues are non-critical indicators. Operator has 90 days to implement recommended corrections before reassessment.

Download full report

Complete assessment documentation including all 47 indicator determinations, evidence documentation, analyst notes, and recommended corrections. PDF format, 28 pages.

Download report PDF

Share verification

Direct link to this assessment report. Permanent URL remains accessible throughout reassessment period and after verification completion.

https://begambleawareslots.org/register-verified/105/