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Oval|Lab Grown|IGI

1.57ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG755516581

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG755516581

Diamond specifications and retailer prices

From $192 USD
As of October 29, 2026
Save $928 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,120 USD 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 LG755516581 or 755516581. Listed at 11 retailers as of October 29, 2026, with prices from $192 to $1,120, a $928 spread on the same certified stone. MOH London lists it at $1,120. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755516581
Dimensions9.39 × 6.57 × 4.11 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.39 mm6.57 mm1.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755516581
Side View
Table 56.0%Crown 34.3°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: $1,120 USD|Low: $192 USD|High: $2,080 USD|Avg: $678 USD
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
Retailer 14
Retailer 15
October 30, 2026
Retailer 9$192 USD
Retailer 3$223 USD
Retailer 10$238 USD
Retailer 13$269 USD
Retailer 2$306 USD
Retailer 14$417 USD
Retailer 8$434 USD
Retailer 4$481 USD
Retailer 12$482 USD
Retailer 11$499 USD
Retailer 15$766 USD
Retailer 7$1,005 USD
Retailer 5$1,105 USD
MOH London$1,120 USD
Retailer 6$2,080 USD

4 data points across 15 retailers

11 retailers$192 USD to $1,120 USD

A
Cheapest Retailer
-
$192 USD
A
Retailer 2
-
$223 USD
View
A
Retailer 3
-
$238 USD
View
A
Retailer 4
-
$269 USD
HK$2,100 HKD
View
A
Retailer 5
-
$306 USD
£241 GBP
View
B+
Retailer 6
-
$417 USD
View
A
Retailer 7
-
$434 USD
£342 GBP
View
A
Retailer 8
-
$482 USD
View
A
Retailer 9
-
$499 USD
View
B+
Retailer 10
-
$766 USD
View
Most Expensive
B
MOH London
LG755516581 · Oct 29
$1,120 USD
£882 GBP
View
10 more retailers have this diamond
Prices start from $192 USDSave up to $928 USD

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
$192 USD