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Oval|Lab Grown|IGI

1.57ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG577390712

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG577390712

Diamond specifications and retailer prices

From €195 EUR
$218 USD
As of October 29, 2026
Save €778 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €973 EUR at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG577390712 or 577390712. Listed at 13 retailers as of October 29, 2026, with prices from €195 to €973, a €778 spread on the same certified stone. MOH London lists it at €973. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577390712
Dimensions9.12 × 6.60 × 4.13 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.12 mm6.60 mm1.57 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577390712
Side View
Table 62.0%Crown 36.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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 29
Current: €973 EUR|Low: €187 EUR|High: €1,071 EUR|Avg: €485 EUR|-0.6%
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
October 30, 2026
Retailer 8€195 EUR
Retailer 4€226 EUR
Retailer 3€242 EUR
Retailer 10€242 EUR
Retailer 2€310 EUR
Retailer 11€414 EUR
Retailer 12€439 EUR
Retailer 6€448 EUR
Retailer 5€538 EUR
Retailer 13€776 EUR
Retailer 7€779 EUR
Retailer 9€837 EUR
MOH London€973 EUR

45 data points across 13 retailers

13 retailers€195 EUR to €973 EUR

A
Cheapest Retailer
-
€195 EUR
$218 USD
A
Retailer 2
-
€226 EUR
$252 USD
View
A
Retailer 3
-
€242 EUR
$270 USD
View
A
Retailer 4
-
€242 EUR
$270 USD
View
A
Retailer 5
-
€310 EUR
£273 GBP
View
B+
Retailer 6
-
€414 EUR
$462 USD
View
A
Retailer 7
-
€439 EUR
$491 USD
View
A
Retailer 8
-
€448 EUR
£394 GBP
View
B+
Retailer 9
-
€538 EUR
$601 USD
View
B
Retailer 10
-
€776 EUR
$867 USD
View
B
Retailer 11
-
€779 EUR
$870 USD
View
Retailer 12
-
€837 EUR
$935 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG577390712 · Oct 29
€973 EUR
£856 GBP
View
12 more retailers have this diamond
Prices start from €195 EURSave up to €778 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
€195 EUR