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Oval|Lab Grown|IGI

1.57ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG773631420

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG773631420

Diamond specifications and retailer prices

From €297 EUR
$332 USD
As of November 1, 2026
Save €748 EUR (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,045 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG773631420 or 773631420. Listed at 8 retailers as of November 1, 2026, with prices from €297 to €1,045, a €748 spread on the same certified stone. MOH London lists it at €1,045. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773631420
Dimensions9.67 × 6.37 × 4.06 mm
L/W Ratio1.52
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.67 mm6.37 mm1.57 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773631420
Side View
Table 60.0%Crown 33.7°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.7%

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: Nov 1
Current: €1,045 EUR|Low: €297 EUR|High: €1,459 EUR|Avg: €621 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6€297 EUR
Retailer 3€372 EUR
Retailer 2€406 EUR
Retailer 7€456 EUR
Retailer 5€522 EUR
Retailer 8€766 EUR
Retailer 4€886 EUR
MOH London€1,045 EUR

42 data points across 8 retailers

8 retailers€297 EUR to €1,045 EUR

B+
Cheapest Retailer
-
€297 EUR
$332 USD
A
Retailer 2
-
€372 EUR
View
A
Retailer 3
-
€406 EUR
£358 GBP
View
A
Retailer 4
-
€456 EUR
$510 USD
View
A
Retailer 5
-
€522 EUR
$583 USD
View
B+
Retailer 6
-
€766 EUR
$856 USD
View
B
Retailer 7
-
€886 EUR
$990 USD
View
Most Expensive
B
MOH London
LG773631420 · Nov 1
€1,045 EUR
£919 GBP
View
7 more retailers have this diamond
Prices start from €297 EURSave up to €748 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 Oval
€297 EUR