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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 $273 AUD
$192 USD
As of October 29, 2026
Save $1,321 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,594 AUD 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 $273 to $1,594, a $1,321 spread on the same certified stone. MOH London lists it at $1,594. 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
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,594 AUD|Low: $273 AUD|High: $2,961 AUD|Avg: $965 AUD
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$273 AUD
Retailer 3$317 AUD
Retailer 10$339 AUD
Retailer 13$383 AUD
Retailer 2$436 AUD
Retailer 14$594 AUD
Retailer 8$618 AUD
Retailer 4$685 AUD
Retailer 12$686 AUD
Retailer 11$710 AUD
Retailer 15$1,090 AUD
Retailer 7$1,431 AUD
Retailer 5$1,573 AUD
MOH London$1,594 AUD
Retailer 6$2,961 AUD

4 data points across 15 retailers

11 retailers$273 AUD to $1,594 AUD

A
Cheapest Retailer
-
$273 AUD
$192 USD
A
Retailer 2
-
$317 AUD
$223 USD
View
A
Retailer 3
-
$339 AUD
$238 USD
View
A
Retailer 4
-
$383 AUD
HK$2,100 HKD
View
A
Retailer 5
-
$436 AUD
£241 GBP
View
B+
Retailer 6
-
$594 AUD
$417 USD
View
A
Retailer 7
-
$618 AUD
£342 GBP
View
A
Retailer 8
-
$686 AUD
$482 USD
View
A
Retailer 9
-
$710 AUD
$499 USD
View
B+
Retailer 10
-
$1,090 AUD
$766 USD
View
Most Expensive
B
MOH London
LG755516581 · Oct 29
$1,594 AUD
£882 GBP
View
10 more retailers have this diamond
Prices start from $273 AUDSave up to $1,321 AUD

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
$273 AUD