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Princess|Lab Grown|IGI

1.54ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG803681720

Shape and cutting style on the report: Princess cut

Certificate IGI LG803681720

Diamond specifications and retailer prices

From £143 GBP
$190 USD
As of October 27, 2026
Save £687 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £830 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.54ct lab-grown princess diamond

This 1.54ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG803681720 or 803681720. Listed at 15 retailers as of October 25, 2026, with prices from £143 to £830, a £687 spread on the same certified stone. MOH London lists it at £830. 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

1.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803681720
Dimensions6.27 × 6.19 × 4.43 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.27 mm6.19 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803681720
Side View
Table 70.0%Crown 46.8°Girdle: MediumPavilion 37.8°Culet: NoneDepth 71.6%

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: Oct 27
Current: £830 GBP|Low: £137 GBP|High: £849 GBP|Avg: £405 GBP|+0.1%
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
October 29, 2026
Retailer 15£143 GBP
Retailer 9£166 GBP
Retailer 3£177 GBP
Retailer 13£177 GBP
Retailer 12£228 GBP
Retailer 4£310 GBP
Retailer 8£317 GBP
Retailer 2£321 GBP
Retailer 7£350 GBP
Retailer 6£428 GBP
Retailer 14£570 GBP
Retailer 10£572 GBP
Retailer 11£672 GBP
Retailer 5£826 GBP
MOH London£830 GBP

37 data points across 15 retailers

15 retailers£143 GBP to £830 GBP

A
Cheapest Retailer
-
£143 GBP
$190 USD
A
Retailer 2
-
£166 GBP
$221 USD
View
A
Retailer 3
-
£177 GBP
$236 USD
View
A
Retailer 4
-
£177 GBP
$236 USD
View
A
Retailer 5
-
£228 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£310 GBP
$413 USD
View
A
Retailer 7
-
£317 GBP
€402 EUR
View
A
Retailer 8
-
£321 GBP
View
A
Retailer 9
-
£350 GBP
$466 USD
View
B+
Retailer 10
-
£428 GBP
$570 USD
View
B+
Retailer 11
-
£570 GBP
$759 USD
View
B
Retailer 12
-
£572 GBP
$762 USD
View
B
Retailer 13
-
£672 GBP
$895 USD
View
B
Retailer 14
-
£826 GBP
$1,100 USD
View
Most Expensive
B
MOH London
LG803681720 · Oct 25
£830 GBP
View
14 more retailers have this diamond
Prices start from £143 GBPSave up to £687 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
1.54ct Princess
£143 GBP