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1.57ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG476157423

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476157423

Diamond specifications and retailer prices

From €797 EUR
$890 USD
As of October 31, 2026
Save €3,313 EUR (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,109 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476157423 or 476157423. Listed at 10 retailers as of October 29, 2026, with prices from €797 to €4,109, a €3,313 spread on the same certified stone. MOH London lists it at €4,109. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476157423
Dimensions7.37 × 7.33 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.37 mm7.33 mm1.57 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476157423
Side View
Table 56.5%Crown 35.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €4,109 EUR|Low: €797 EUR|High: €4,142 EUR|Avg: €2,044 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2€797 EUR
Retailer 5€1,233 EUR
Retailer 8€1,343 EUR
Retailer 10€1,381 EUR
Retailer 6€1,431 EUR
Retailer 3€1,611 EUR
Retailer 12€1,959 EUR
Retailer 7€2,261 EUR
Retailer 11€2,598 EUR
Retailer 9€2,683 EUR
Retailer 4€3,204 EUR
MOH London€4,109 EUR

17 data points across 12 retailers

10 retailers€797 EUR to €4,109 EUR

A
Cheapest Retailer
-
€797 EUR
$890 USD
B+
Retailer 2
-
€1,233 EUR
$1,378 USD
View
B+
Retailer 3
-
€1,343 EUR
$1,500 USD
View
B+
Retailer 4
-
€1,381 EUR
$1,543 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,431 EUR
$1,599 USD
View
Retailer 6
-
€1,431 EUR
$1,599 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€2,261 EUR
$2,526 USD
View
B
Retailer 8
-
€2,598 EUR
$2,902 USD
View
B
Retailer 9
-
€2,683 EUR
$2,997 USD
View
Most Expensive
B
MOH London
LG476157423 · Oct 29
€4,109 EUR
£3,615 GBP
View
9 more retailers have this diamond
Prices start from €797 EURSave up to €3,313 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 Round
€797 EUR