Princess|Lab Grown|IGI

5.13ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG681520938

Shape and cutting style on the report: Princess cut

Certificate IGI LG681520938

Diamond specifications and retailer prices

From £502 GBP
$669 USD
As of October 30, 2026
Save £5,250 GBP (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,752 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.13ct lab-grown princess diamond

This 5.13ct lab-grown princess sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681520938 or 681520938. Listed at 17 retailers as of October 29, 2026, with prices from £502 to £5,752, a £5,250 spread on the same certified stone. Brilliant Earth lists it at £5,752. 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

5.13
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681520938
Dimensions9.31 × 9.31 × 6.67 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.31 mm9.31 mm5.13 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681520938
Side View
Table 69.0%Crown 43°Girdle: MediumPavilion 38.1°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 30
Current: £5,752 GBP|Low: £410 GBP|High: £5,752 GBP|Avg: £1,412 GBP
Brilliant Earth
Retailer 2
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Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 30, 2026
Retailer 15£502 GBP
Retailer 12£547 GBP
Retailer 9£561 GBP
Retailer 3£583 GBP
Retailer 16£583 GBP
Retailer 4£717 GBP
Retailer 10£856 GBP
Retailer 5£930 GBP
Retailer 2£932 GBP
Retailer 7£949 GBP
Retailer 13£1,489 GBP
Retailer 6£1,581 GBP
Retailer 17£1,639 GBP
Retailer 11£2,468 GBP
Retailer 14£2,872 GBP
Retailer 8£3,175 GBP
Brilliant Earth£5,752 GBP

38 data points across 17 retailers

17 retailers£502 GBP to £5,752 GBP

A
Cheapest Retailer
-
£502 GBP
$669 USD
A
Retailer 2
-
£547 GBP
$728 USD
View
Retailer 3
-
£561 GBP
View
Price last confirmed 22 days ago
A
Retailer 4
-
£583 GBP
$776 USD
View
Retailer 5
-
£583 GBP
$776 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£717 GBP
$955 USD
View
A
Retailer 7
-
£856 GBP
€1,086 EUR
View
A
Retailer 8
-
£930 GBP
$1,239 USD
View
A
Retailer 9
-
£932 GBP
View
B+
Retailer 10
-
£949 GBP
$1,264 USD
View
B+
Retailer 11
-
£1,489 GBP
$1,983 USD
View
B+
Retailer 12
-
£1,581 GBP
$2,105 USD
View
B+
Retailer 13
-
£1,639 GBP
$2,182 USD
View
B+
Retailer 14
-
£2,468 GBP
View
B
Retailer 15
-
£2,872 GBP
$3,825 USD
View
B
Retailer 16
-
£3,175 GBP
$4,228 USD
View
Most Expensive
B
Brilliant Earth
13069328A · Oct 29
£5,752 GBP
$7,660 USD
View
16 more retailers have this diamond
Prices start from £502 GBPSave up to £5,250 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
5.13ct Princess
£502 GBP