Princess|Lab Grown|IGI

1.57ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG440012079

Shape and cutting style on the report: Princess cut

Certificate IGI LG440012079

Diamond specifications and retailer prices

From €823 EUR
$920 USD
As of October 30, 2026
Save €3,703 EUR (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,527 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.57ct lab-grown princess diamond

This 1.57ct lab-grown princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012079 or 440012079. Listed at 10 retailers as of October 27, 2026, with prices from €823 to €4,527, a €3,703 spread on the same certified stone. MOH London lists it at €4,527. 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

1.57
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012079
Dimensions6.34 × 6.23 × 4.60 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.34 mm6.23 mm1.57 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG440012079
Side View
Table 69.5%Crown 45.5°Girdle: Slightly ThickPavilion 38.4°Culet: NoneDepth 73.8%

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: €4,527 EUR|Low: €823 EUR|High: €4,581 EUR|Avg: €2,272 EUR|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2€823 EUR
Retailer 3€1,213 EUR
Retailer 5€1,562 EUR
Retailer 7€1,931 EUR
Retailer 4€2,223 EUR
Retailer 6€2,623 EUR
MOH London€4,527 EUR

11 data points across 7 retailers

10 retailers€823 EUR to €4,527 EUR

A
Cheapest Retailer
-
€823 EUR
$920 USD
B+
Retailer 2
-
€1,213 EUR
$1,355 USD
View
B+
Retailer 3
-
€1,319 EUR
$1,474 USD
View
B+
Retailer 4
-
€1,407 EUR
$1,572 USD
View
Retailer 5
-
€1,407 EUR
$1,572 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€1,562 EUR
$1,745 USD
View
B
Retailer 7
-
€2,223 EUR
$2,484 USD
View
B
Retailer 8
-
€2,623 EUR
$2,930 USD
View
B
Retailer 9
-
€2,637 EUR
$2,946 USD
View
Most Expensive
B
MOH London
LG440012079 · Oct 27
€4,527 EUR
£3,982 GBP
View
9 more retailers have this diamond
Prices start from €823 EURSave up to €3,703 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
1.57ct Princess
€823 EUR