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Princess|Lab Grown|IGI

1.25ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG837681898

Shape and cutting style on the report: Princess cut

Certificate IGI LG837681898

Diamond specifications and retailer prices

From £212 GBP
As of November 5, 2026
Save £568 GBP (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £780 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.25ct lab-grown princess diamond

This 1.25ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837681898 or 837681898. Listed at 8 retailers as of November 4, 2026, with prices from £212 to £780, a £568 spread on the same certified stone. Brilliant Earth lists it at £780. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837681898
Dimensions5.86 × 5.81 × 4.23 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.86 mm5.81 mm1.25 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837681898
Side View
Table 69.0%Crown 41.2°Girdle: MediumPavilion 38.5°Culet: NoneDepth 72.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £780 GBP|Low: £212 GBP|High: £780 GBP|Avg: £397 GBP|+29.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6£212 GBP
Retailer 7£242 GBP
Retailer 5£274 GBP
Retailer 4£321 GBP
Retailer 8£342 GBP
Retailer 3£404 GBP
Retailer 2£651 GBP
Brilliant Earth£780 GBP

16 data points across 8 retailers

8 retailers£212 GBP to £780 GBP

A
Cheapest Retailer
-
£212 GBP
B+
Retailer 2
-
£242 GBP
View
A
Retailer 3
-
£274 GBP
View
Retailer 4
-
£321 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£404 GBP
View
Retailer 6
-
£617 GBP
View
Price last confirmed 36 days ago
B
Retailer 7
-
£651 GBP
View
Most Expensive
B
Brilliant Earth
22280181A · Nov 4
£780 GBP
$1,050 USD
View
7 more retailers have this diamond
Prices start from £212 GBPSave up to £568 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.

A
1.25ct Princess
£212 GBP