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Princess|Lab Grown|IGI

1.53ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG544280452

Shape and cutting style on the report: Princess cut

Certificate IGI LG544280452

Diamond specifications and retailer prices

From £165 GBP
$220 USD
As of October 27, 2026
Save £811 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £976 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.53ct lab-grown princess diamond

This 1.53ct 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 LG544280452 or 544280452. Listed at 17 retailers as of October 27, 2026, with prices from £165 to £976, a £811 spread on the same certified stone. Brilliant Earth lists it at £976. 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

1.53
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544280452
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.37 mm7.13 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544280452
Side View
Table 66.0%Crown 40.6°Girdle: MediumPavilion 38.6°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 27
Current: £976 GBP|Low: £158 GBP|High: £1,006 GBP|Avg: £448 GBP|-0.8%
Brilliant Earth
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 29, 2026
Retailer 15£165 GBP
Retailer 7£184 GBP
Retailer 8£191 GBP
Retailer 4£204 GBP
Retailer 16£204 GBP
Retailer 11£263 GBP
Retailer 3£276 GBP
Retailer 10£332 GBP
Retailer 17£354 GBP
Retailer 2£380 GBP
Retailer 5£396 GBP
Retailer 14£658 GBP
Retailer 13£660 GBP
Retailer 9£697 GBP
Retailer 12£821 GBP
Retailer 6£944 GBP
Brilliant Earth£976 GBP

39 data points across 17 retailers

17 retailers£165 GBP to £976 GBP

A
Cheapest Retailer
-
£165 GBP
$220 USD
A
Retailer 2
-
£184 GBP
$245 USD
View
Final sale: no returns
A
Retailer 3
-
£191 GBP
$255 USD
View
A
Retailer 4
-
£204 GBP
$272 USD
View
A
Retailer 5
-
£204 GBP
$272 USD
View
A
Retailer 6
-
£263 GBP
View
B+
Retailer 7
-
£276 GBP
$368 USD
View
A
Retailer 8
-
£332 GBP
€421 EUR
View
B+
Retailer 9
-
£354 GBP
$471 USD
View
B+
Retailer 10
-
£380 GBP
View
B+
Retailer 11
-
£396 GBP
$527 USD
View
B
Retailer 12
-
£658 GBP
$876 USD
View
B
Retailer 13
-
£660 GBP
$879 USD
View
B
Retailer 14
-
£697 GBP
$929 USD
View
B
Retailer 15
-
£821 GBP
View
B
Retailer 16
-
£944 GBP
$1,257 USD
View
Most Expensive
B
Brilliant Earth
16047210A · Oct 29
£976 GBP
$1,300 USD
View
16 more retailers have this diamond
Prices start from £165 GBPSave up to £811 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
1.53ct Princess
£165 GBP