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Princess|Lab Grown|IGI

2.99ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG655460256

Shape and cutting style on the report: Princess cut

Certificate IGI LG655460256

Diamond specifications and retailer prices

From £355 GBP
$475 USD
As of October 30, 2026
Save £1,268 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,623 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.99ct lab-grown princess diamond

This 2.99ct lab-grown princess sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG655460256 or 655460256. Listed at 13 retailers as of October 29, 2026, with prices from £355 to £1,623, a £1,268 spread on the same certified stone. MOH London lists it at £1,623. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.99
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655460256
Dimensions7.91 × 7.73 × 5.66 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.91 mm7.73 mm2.99 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655460256
Side View
Table 69.0%Crown 44.9°Girdle: THN-MEDPavilion 39.4°Culet: NoneDepth 73.2%

Caratlytics Score

How it works →
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: Oct 30
Current: £1,623 GBP|Low: £355 GBP|High: £3,687 GBP|Avg: £1,245 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 12£355 GBP
Retailer 5£397 GBP
Retailer 14£440 GBP
Retailer 16£487 GBP
Retailer 13£545 GBP
Retailer 11£552 GBP
Retailer 15£662 GBP
Retailer 4£686 GBP
Retailer 2£729 GBP
Retailer 6£733 GBP
Retailer 17£845 GBP
Retailer 10£1,181 GBP
Retailer 3£1,413 GBP
MOH London£1,623 GBP
Retailer 7£1,946 GBP
Retailer 8£3,199 GBP
Retailer 9£3,687 GBP

5 data points across 17 retailers

13 retailers£355 GBP to £1,623 GBP

A
Cheapest Retailer
-
£355 GBP
$475 USD
A
Retailer 2
-
£397 GBP
$532 USD
View
A
Retailer 3
-
£440 GBP
$589 USD
View
A
Retailer 4
-
£487 GBP
HK$5,100 HKD
View
A
Retailer 5
-
£545 GBP
$730 USD
View
A
Retailer 6
-
£552 GBP
View
A
Retailer 7
-
£662 GBP
$887 USD
View
A
Retailer 8
-
£686 GBP
$919 USD
View
A
Retailer 9
-
£729 GBP
View
B+
Retailer 10
-
£845 GBP
$1,132 USD
View
B+
Retailer 11
-
£1,181 GBP
$1,583 USD
View
B
Retailer 12
-
£1,413 GBP
$1,893 USD
View
Most Expensive
B
MOH London
LG655460256 · Oct 29
£1,623 GBP
View
12 more retailers have this diamond
Prices start from £355 GBPSave up to £1,268 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
2.99ct Princess
£355 GBP