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Princess|Lab Grown|IGI

3.03ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG683518379

Shape and cutting style on the report: Princess cut

Certificate IGI LG683518379

Diamond specifications and retailer prices

From £264 GBP
$354 USD
As of October 30, 2026
Save £1,022 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,286 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.03ct lab-grown princess diamond

This 3.03ct lab-grown princess sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG683518379 or 683518379. Listed at 13 retailers as of October 29, 2026, with prices from £264 to £1,286, a £1,022 spread on the same certified stone. MOH London lists it at £1,286. 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

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683518379
Dimensions8.02 × 7.85 × 5.58 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
8.02 mm7.85 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683518379
Side View
Table 66.0%Crown 42.4°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 71.1%

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: £1,286 GBP|Low: £264 GBP|High: £3,344 GBP|Avg: £1,079 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£264 GBP
Retailer 5£307 GBP
Retailer 14£328 GBP
Retailer 16£363 GBP
Retailer 10£402 GBP
Retailer 13£440 GBP
Retailer 4£525 GBP
Retailer 15£563 GBP
Retailer 11£588 GBP
Retailer 6£657 GBP
Retailer 17£734 GBP
Retailer 2£961 GBP
Retailer 3£1,053 GBP
MOH London£1,286 GBP
Retailer 8£1,985 GBP
Retailer 7£2,853 GBP
Retailer 9£3,344 GBP

5 data points across 17 retailers

13 retailers£264 GBP to £1,286 GBP

A
Cheapest Retailer
-
£264 GBP
$354 USD
A
Retailer 2
-
£307 GBP
$411 USD
View
A
Retailer 3
-
£328 GBP
$439 USD
View
A
Retailer 4
-
£363 GBP
HK$3,800 HKD
View
A
Retailer 5
-
£402 GBP
View
A
Retailer 6
-
£440 GBP
$590 USD
View
B+
Retailer 7
-
£525 GBP
$704 USD
View
A
Retailer 8
-
£563 GBP
$754 USD
View
A
Retailer 9
-
£588 GBP
View
B+
Retailer 10
-
£734 GBP
$984 USD
View
B+
Retailer 11
-
£961 GBP
$1,287 USD
View
B
Retailer 12
-
£1,053 GBP
$1,411 USD
View
Most Expensive
B
MOH London
LG683518379 · Oct 29
£1,286 GBP
View
12 more retailers have this diamond
Prices start from £264 GBPSave up to £1,022 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
3.03ct Princess
£264 GBP