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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 $279 SGD
$218 USD
As of October 29, 2026
Save $1,111 SGD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,390 SGD 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 $279 to $1,390, a $1,111 spread on the same certified stone. MOH London lists it at $1,390. 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: $1,390 SGD|Low: $267 SGD|High: $1,530 SGD|Avg: $693 SGD|-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$279 SGD
Retailer 4$322 SGD
Retailer 3$345 SGD
Retailer 10$345 SGD
Retailer 2$443 SGD
Retailer 11$591 SGD
Retailer 12$628 SGD
Retailer 6$640 SGD
Retailer 5$768 SGD
Retailer 13$1,108 SGD
Retailer 7$1,112 SGD
Retailer 9$1,195 SGD
MOH London$1,390 SGD

44 data points across 13 retailers

13 retailers$279 SGD to $1,390 SGD

A
Cheapest Retailer
-
$279 SGD
$218 USD
A
Retailer 2
-
$322 SGD
$252 USD
View
A
Retailer 3
-
$345 SGD
$270 USD
View
A
Retailer 4
-
$345 SGD
$270 USD
View
A
Retailer 5
-
$443 SGD
£273 GBP
View
B+
Retailer 6
-
$591 SGD
$462 USD
View
A
Retailer 7
-
$628 SGD
$491 USD
View
A
Retailer 8
-
$640 SGD
£394 GBP
View
B+
Retailer 9
-
$768 SGD
$601 USD
View
B
Retailer 10
-
$1,108 SGD
$867 USD
View
B
Retailer 11
-
$1,112 SGD
$870 USD
View
Retailer 12
-
$1,195 SGD
$935 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG577390712 · Oct 29
$1,390 SGD
£856 GBP
View
12 more retailers have this diamond
Prices start from $279 SGDSave up to $1,111 SGD

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
$279 SGD