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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 $424 SGD
$332 USD
As of October 30, 2026
Save $1,069 SGD (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,494 SGD at MOH London · As of October 26, 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 October 26, 2026, with prices from $424 to $1,494, a $1,069 spread on the same certified stone. MOH London lists it at $1,494. 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
Colour
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: Oct 30
Current: $1,494 SGD|Low: $424 SGD|High: $2,084 SGD|Avg: $885 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6$424 SGD
Retailer 2$532 SGD
Retailer 3$585 SGD
Retailer 7$652 SGD
Retailer 5$745 SGD
Retailer 8$1,094 SGD
Retailer 4$1,266 SGD
MOH London$1,494 SGD

42 data points across 8 retailers

8 retailers$424 SGD to $1,494 SGD

B+
Cheapest Retailer
-
$424 SGD
$332 USD
A
Retailer 2
-
$532 SGD
€396 EUR
View
A
Retailer 3
-
$585 SGD
£361 GBP
View
A
Retailer 4
-
$652 SGD
$510 USD
View
A
Retailer 5
-
$745 SGD
$583 USD
View
B+
Retailer 6
-
$1,094 SGD
$856 USD
View
B
Retailer 7
-
$1,266 SGD
$990 USD
View
Most Expensive
B
MOH London
LG773631420 · Oct 26
$1,494 SGD
£920 GBP
View
7 more retailers have this diamond
Prices start from $424 SGDSave up to $1,069 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
$424 SGD