Round|Lab Grown|GCAL
0.90ct F SI1 Round Lab Grown Diamond
VG • F/SI1
Diamond specifications and retailer prices
From £631 GBP
CA$1,175 CAD
As of October 30, 2026
4 retailers carry this diamond
Most expensive: £631 GBP at Diamond Exchange Canada
About this 0.9ct lab-grown round diamond
This 0.9ct lab-grown round sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL. Listed at 4 retailers as of October 30, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
0.90
Carat
F
Colour
SI1
Clarity
Very Good
Cut
Specifications
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions6.16 × 6.19 × 3.85 mm
L/W Ratio1.00
Top View
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Caratlytics Score
How it works →B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown
4 retailers
Retailer 1
£122 GBP
$164 USD
Price last confirmed 23 days ago
Retailer 2
£141 GBP
$189 USD
Price last confirmed 47 days ago
Retailer 3
£407 GBP
$546 USD
Price last confirmed 29 days ago
3 more retailers have this diamond
Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.
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