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Marquise|Lab Grown|IGI

1.57ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG849654844

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849654844

Diamond specifications and retailer prices

From $447 NZD
As of November 6, 2026
Save $3,520 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,967 NZD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise 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 LG849654844 or 849654844. Listed at 11 retailers as of November 6, 2026, with prices from $447 to $3,967, a $3,520 spread on the same certified stone. Do Amore Diamonds lists it at $3,967. 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 angle30.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849654844
Dimensions12.12 × 6.26 × 3.74 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.12 mm6.26 mm1.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849654844
Side View
Table 57.0%Crown 30.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.7%

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: Nov 6
Current: $3,967 NZD|Low: $447 NZD|High: $3,967 NZD|Avg: $1,393 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$447 NZD
Retailer 8$498 NZD
Retailer 7$518 NZD
Retailer 10$553 NZD
Retailer 5$836 NZD
Retailer 4$1,064 NZD
Retailer 9$1,160 NZD
Retailer 3$1,791 NZD
Retailer 11$1,964 NZD
Retailer 2$2,113 NZD
Do Amore Diamonds$3,967 NZD

7 data points across 11 retailers

11 retailers$447 NZD to $3,967 NZD

A
Cheapest Retailer
-
$447 NZD
A
Retailer 2
-
$498 NZD
View
Final sale: no returns
A
Retailer 3
-
$518 NZD
View
A
Retailer 4
-
$553 NZD
View
A
Retailer 5
-
$836 NZD
View
B+
Retailer 6
-
$1,064 NZD
View
B+
Retailer 7
-
$1,160 NZD
View
B
Retailer 8
-
$1,791 NZD
View
B
Retailer 9
-
$1,964 NZD
View
B
Retailer 10
-
$2,113 NZD
View
Most Expensive
B
Do Amore Diamonds
27-707838CDD · Nov 6
$3,967 NZD
$2,230 USD
View
10 more retailers have this diamond
Prices start from $447 NZDSave up to $3,520 NZD

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 Marquise
$447 NZD