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Princess|Lab Grown|IGI

1.91ct E VS2 Princess Lab Grown Diamond

ID • E/VS2 • IGI LG691507117

Shape and cutting style on the report: Princess cut

Certificate IGI LG691507117

Diamond specifications and retailer prices

From £400 GBP
$533 USD
As of October 28, 2026
Save £809 GBP (67%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,209 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.91ct lab-grown princess diamond

This 1.91ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG691507117 or 691507117. Listed at 3 retailers as of October 28, 2026, with prices from £400 to £1,209, a £809 spread on the same certified stone. Brilliant Earth lists it at £1,209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691507117
Dimensions6.79 × 6.71 × 4.75 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm6.71 mm1.91 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691507117
Side View
Table 70.0%Crown 44.8°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 70.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: £1,209 GBP|Low: £375 GBP|High: £1,238 GBP|Avg: £735 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10£375 GBP
Retailer 3£400 GBP
Retailer 8£439 GBP
Retailer 7£493 GBP
Retailer 6£588 GBP
Retailer 9£775 GBP
Retailer 5£943 GBP
Retailer 2£1,068 GBP
Brilliant Earth£1,209 GBP
Retailer 4£1,238 GBP

12 data points across 10 retailers

3 retailers£400 GBP to £1,209 GBP

B+
Cheapest Retailer
-
£400 GBP
$533 USD
B
Retailer 2
-
£1,068 GBP
View
Most Expensive
B
Brilliant Earth
13561864Y · Oct 29
£1,209 GBP
$1,610 USD
View
2 more retailers have this diamond
Prices start from £400 GBPSave up to £809 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+
1.91ct Princess
£400 GBP