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Princess|Lab Grown|IGI

4.03ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG570372229

Shape and cutting style on the report: Princess cut

Certificate IGI LG570372229

Diamond specifications and retailer prices

From €403 EUR
$450 USD
As of October 30, 2026
Save €1,440 EUR (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,843 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 4.03ct lab-grown princess diamond

This 4.03ct lab-grown princess sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570372229 or 570372229. Listed at 13 retailers as of October 29, 2026, with prices from €403 to €1,843, a €1,440 spread on the same certified stone. MOH London lists it at €1,843. 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

4.03
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570372229
Dimensions8.76 × 8.70 × 6.08 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.76 mm8.70 mm4.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570372229
Side View
Table 66.5%Crown 43.6°Girdle: MediumPavilion 38.5°Culet: NoneDepth 69.9%

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: €1,843 EUR|Low: €403 EUR|High: €5,218 EUR|Avg: €1,606 EUR
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€403 EUR
Retailer 5€451 EUR
Retailer 11€474 EUR
Retailer 14€499 EUR
Retailer 16€550 EUR
Retailer 13€627 EUR
Retailer 4€783 EUR
Retailer 15€806 EUR
Retailer 2€825 EUR
Retailer 6€1,011 EUR
Retailer 17€1,199 EUR
Retailer 10€1,342 EUR
Retailer 3€1,604 EUR
MOH London€1,843 EUR
Retailer 7€2,751 EUR
Retailer 8€4,106 EUR
Retailer 9€5,218 EUR

5 data points across 17 retailers

13 retailers€403 EUR to €1,843 EUR

A
Cheapest Retailer
-
€403 EUR
$450 USD
A
Retailer 2
-
€451 EUR
$504 USD
View
A
Retailer 3
-
€474 EUR
£417 GBP
View
A
Retailer 4
-
€499 EUR
$557 USD
View
A
Retailer 5
-
€550 EUR
HK$4,800 HKD
View
A
Retailer 6
-
€627 EUR
$700 USD
View
B+
Retailer 7
-
€783 EUR
$875 USD
View
A
Retailer 8
-
€806 EUR
$900 USD
View
A
Retailer 9
-
€825 EUR
£726 GBP
View
B+
Retailer 10
-
€1,199 EUR
$1,340 USD
View
B
Retailer 11
-
€1,342 EUR
$1,499 USD
View
B
Retailer 12
-
€1,604 EUR
$1,792 USD
View
Most Expensive
B
MOH London
LG570372229 · Oct 29
€1,843 EUR
£1,621 GBP
View
12 more retailers have this diamond
Prices start from €403 EURSave up to €1,440 EUR

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
4.03ct Princess
€403 EUR