Independent reviewPublished December 9, 2017Updated September 15, 2026Current chart record

Philips Diamond Vision Halogen Review

Diamond Vision achieves an unusually cool 5,500K halogen color, but current testing shows a severe output tradeoff. Both reflector and projector results fall well below OSRAM Original, and measured lumens are roughly half the reference.

Reflector performance
0.6BulbFacts score · 5.0 baseline
Projector performance
0.4BulbFacts score · 5.0 baseline
Measured output
769 lmper bulb
Color temperature
5,500 Kmeasured
Philips Diamond Vision H7 packaging and bulbs from the original BulbFacts video review
Original Diamond Vision H7 product and bulbs; historical media, not a current measurement graphic
Editorial assessment

Our verdict

Philips Diamond Vision is a style-first bulb. Its 5,500K result is 2,075K cooler than OSRAM Original and delivers the blue-white appearance the product promises. The price is substantial output loss: reflector low and high beam fall about 28% and 32%, projector low and high beam fall about 37% and 38%, and total output drops roughly 51% to 769 lumens. A 2.7-year estimated life and broad sizing do not offset that visibility tradeoff for most drivers.

What we liked

  • The 5,500K measurement is one of the whitest halogen results in the chart.
  • The current record covers eight common bulb sizes.
  • Standard 55-watt construction avoids conversion hardware.

What to consider

  • Every recorded reflector and projector measurement is far below the reference.
  • Measured output is only 769 lumens per bulb, about 51% below OSRAM Original.
  • The current record contains no warranty term or dedicated current beam photographs.
Construction and fit

A heavily tinted appearance bulb

Diamond Vision is a conventional 55-watt halogen bulb. It uses no ballast, driver, fan, heat sink, or conversion harness, so installation remains similar to the original bulb when the base and application are correct.

The strongly blue-tinted glass is central to the 5,500K appearance. That coating filters the warmer portion of the light, and the current lumen and beam measurements show the cost of creating that color.

The chart records 9003, 9005, 9006, H1, H3, H4, H7, and H11 sizes. Exact-vehicle compatibility and local road-use rules still require verification.

Philips Diamond Vision H7 retail package
Diamond Vision product image retained in the current chart
BulbFacts photograph of Philips Diamond Vision H7 packaging
BulbFacts Diamond Vision H7 product photograph
Philips Diamond Vision product from the BulbFacts video
Original BulbFacts video image
Historical vehicle appearance comparison of OEM and Philips Diamond Vision bulbs
Historical vehicle appearance comparison; not current bench evidence
Original Philips Diamond Vision video review thumbnailHistorical version 1.0 videoWatch the original Diamond Vision reviewUseful background, but its older figures may differ from the current chart results on this page.
Reflector test

Large losses in both reflector beams

The very white appearance comes with substantially less focused output in the reflector reference housing.

About these tests: Measurements come from BulbFacts reference housings for consistent product comparison. They are not exact-vehicle results; seating, optics, lens condition, and aim can change real-world output.

Reflector performance0.6BulbFacts performance score
Compared with every scored halogen bulb83 products

    Gray dots show every scored bulb. Named markers are current BulbFacts recommendations. The 5.0 reference is a baseline, not a maximum.

    Reflector performance score 0.6 compared with 83 scored halogen bulbs and the 5.0 reference baseline.

    Low-beam hotspot
    268 luxper bulb

    Reflector low-beam output of 268 lux compared with 83 halogen bulbs.

    High-beam output
    595 luxper bulb

    Reflector high-beam output of 595 lux compared with 83 halogen bulbs.

    Reference low beam
    373 lux
    Reference high beam
    876 lux
    Reference color
    3,425 K
    Reference output
    1,564 lm

    The 0.6 reflector score is far below OSRAM Original at 2.5. The product does achieve its color goal, but the current result does not support it as a road-light upgrade.

    CrystalVision Ultra is much more usable in reflectors at 358 low lux, 940 high lux, and a 2.4 score, although its 3,675K color is warmer. Color and output are a direct tradeoff here.

    Projector test

    The projector result is weaker still

    The projector reference housing does not recover the filtered output; both beams remain far below the reference.

    Projector performance0.4BulbFacts performance score
    Compared with every scored projector result82 products

      Gray dots show every scored projector result. Named markers are current BulbFacts recommendations. The 5.0 reference is a baseline, not a maximum.

      Projector performance score 0.4 compared with 82 scored halogen bulbs and the 5.0 reference baseline.

      Low-beam hotspot
      179 luxper bulb

      Projector low-beam output of 179 lux compared with 82 halogen bulbs.

      High-beam output
      577 luxper bulb

      Projector high-beam output of 577 lux compared with 82 halogen bulbs.

      The 0.4 projector score confirms that Diamond Vision is not merely sensitive to one reflector design. The same output penalty carries into the projector reference housing.

      CrystalVision Ultra reaches 307 low lux, 1,017 high lux, and a 2.6 score in the same projector chart. Drivers prioritizing road light should compare stronger current bulbs instead of choosing by color alone.

      Output and color

      Very white for halogen, with roughly half the lumens

      The product reaches its visual goal, but the lumen chart shows the scale of the compromise.

      Measured color

      Diamond Vision Kelvin

      5500K
      5500K
      White-blueVisual range
      +2,075KVs OSRAM Original
      5,500KMeasured
      Color temperature testing
      Measured output

      Diamond Vision lumens

      769 lm
      769 lm
      −795 lmVs OSRAM Original
      About 51%Less total output
      769 lmPer bulb
      Lumen output testing

      We measured 5,500K, 2,075K above the OSRAM Original reference at 3,425K. That is an unusually cool result for a halogen bulb and explains why Diamond Vision can resemble HID or LED color from a distance.

      Total output measured only 769 lumens per bulb, 795 lumens or roughly 51% below the 1,564-lumen reference. The color is not creating more light; the coating is trading away a large amount of output to change its appearance.

      Practical ownership

      Lifespan, fit, and value

      Ordinary installation and broad sizing are helpful, but output remains the deciding ownership issue.

      Estimated lifespan

      Appearance tradeoff

      2.7yr
      4 yr Original
      Shorter than the referenceModerate life for a large output loss
      Electrical rating
      55 W
      standard-wattage category
      Estimated price
      $20–34
      varies by size and seller
      Cooling and noise
      N/A
      no LED-style cooling system
      Recorded warranty
      Not recorded
      confirm seller terms

      The lifespan is not the main concern

      The current data estimates 2.7 years for Diamond Vision versus 4 years for OSRAM Original. That is shorter than the reference, but the much larger issue is the loss of focused output and total lumens.

      The estimated price is $20–34. Even at the low end of that range, value depends almost entirely on prioritizing the 5,500K appearance over road-light performance.

      Recorded sizes and vehicle fit

      The chart records 9003, 9005, 9006, H1, H3, H4, H7, and H11. Confirm the exact bulb code, socket, housing, vehicle guide, and road-use legality before ordering.

      Buying conclusion

      Should you buy it?

      Philips Diamond Vision genuinely produces a white-blue 5,500K halogen color. If that appearance is the only goal, the product delivers what its name and packaging suggest.

      For driving performance, the current evidence is difficult to overlook. Both reference housings lose substantial low- and high-beam intensity, total output is roughly half the stock-style reference, and estimated life is also shorter.

      We do not recommend Diamond Vision as a visibility upgrade. Choose it only after accepting the measured output loss, confirming local legality and fitment, and deciding that appearance matters more than usable road light. CrystalVision Ultra or current performance-focused bulbs are more balanced alternatives.

      If the 5,500K appearance is worth the measured output tradeoff for your application, check the current price or compare the complete chart before deciding.

      Technical reference

      Full measurements and specifications

      Open this reference for every recorded measurement, specification, unavailable field, and test-context detail. The main reflector and projector findings remain visible above.

      Show all recorded measurements and specificationsFive groups · current chart record

      Measured output

      Reflector performance score
      0.6; 5.0 reference baseline
      Reflector low-beam hotspot
      268 lux per bulb
      Reflector low-beam change
      About 28% below OSRAM Original
      Reflector high-beam output
      595 lux per bulb
      Reflector high-beam change
      About 32% below OSRAM Original
      Projector performance score
      0.4; 5.0 reference baseline
      Projector low-beam hotspot
      179 lux per bulb
      Projector high-beam output
      577 lux per bulb
      Measured lumens
      769 lm per bulb

      Beam quality

      Reflector beam-pattern rating
      Not recorded in the current halogen data
      Reflector glare measurement
      Not recorded in the current halogen data
      Projector beam-pattern rating
      Not recorded in the current halogen data
      Projector glare measurement
      Not recorded in the current halogen data
      Historical comparison graphics
      Version 1.0; not used as current evidence
      Dedicated current beam photographs
      Not recorded for the current chart record

      Color, power, and reference

      Measured color temperature
      5,500 K
      Electrical rating
      55 watts per bulb
      OSRAM Original reflector low beam
      373 lux per bulb
      OSRAM Original reflector high beam
      876 lux per bulb
      OSRAM Original projector low beam
      284 lux per bulb
      OSRAM Original projector high beam
      935 lux per bulb
      OSRAM Original color
      3,425 K
      OSRAM Original output
      1,564 lm per bulb

      Dimensions, features, and recorded compatibility

      Recorded product sizes
      9003, 9005, 9006, H1, H3, H4, H7, H11
      Product identity
      Philips Diamond Vision blue-coated halogen bulb
      Cooling method
      N/A; conventional halogen bulb
      Fan noise
      N/A; no LED-style cooling fan
      CANBUS status
      N/A in the current product data
      Exact-vehicle fitment
      Unconfirmed; verify bulb type, seating, housing, vehicle guide, regional product, and legality
      Housing context
      Reflector and projector reference housings; not an exact-vehicle test

      Lifespan, price, and test status

      Estimated price
      $20–34
      Estimated lifespan
      2.7 years
      OSRAM Original estimated lifespan
      4 years
      Recorded warranty
      Not recorded; confirm current seller terms
      Publication date
      December 9, 2017
      Last updated
      September 15, 2026
      Test status
      Current chart record; original video and graphics used version 1.0
      Current Philips comparison
      CrystalVision Ultra is warmer but substantially stronger in both housings

      Facts above follow the Diamond Vision record in the current BulbFacts halogen data. See how we test for current procedures. Product applicability still depends on exact bulb size, product identity, housing, vehicle configuration, installation, and local regulations.

      Keep comparing

      Read more halogen reviews

      Continue with the BulbFacts halogen review library after comparing Diamond Vision with current Philips and category-wide results.