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Princess|Lab Grown|IGI

1.50ct F SI1 Princess Lab Grown Diamond

VG • F/SI1 • IGI LG522241085

Shape and cutting style on the report: Princess cut

Certificate IGI LG522241085

Diamond specifications and retailer prices

From £982 GBP
As of November 1, 2026
Save £699 GBP (42%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,682 GBP at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

About this 1.5ct lab-grown princess diamond

This 1.5ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG522241085 or 522241085. Listed at 4 retailers as of November 1, 2026, with prices from £982 to £1,682, a £699 spread on the same certified stone. Loose Grown Diamond lists it at £1,682. 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

1.50
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522241085
Dimensions6.39 × 6.25 × 4.13 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.39 mm6.25 mm1.50 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522241085
Side View
Table 71.5%Crown 42.7°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 66.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: £1,682 GBP|Low: £982 GBP|High: £5,236 GBP|Avg: £2,560 GBP|+1.1%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 5£982 GBP
Retailer 6£1,210 GBP
Retailer 2£1,634 GBP
Loose Grown Diamond£1,682 GBP
Retailer 7£3,325 GBP
Retailer 4£3,759 GBP
Retailer 3£5,236 GBP

4 data points across 7 retailers

4 retailers£982 GBP to £1,682 GBP

B
Cheapest Retailer
-
£982 GBP
Most Expensive
C
Loose Grown Diamond
522241085 · Nov 1
£1,682 GBP
$2,251 USD
View
1 more retailer has this diamond
Prices start from £982 GBPSave up to £699 GBP

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.

B
1.50ct Princess
£982 GBP