Marquise|Lab Grown|IGI

1.57ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG770678964

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG770678964

Diamond specifications and retailer prices

From $860 CAD
HK$4,800 HKD
As of October 29, 2026
Save $2,053 CAD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,913 CAD at MOH London · As of October 29, 2026
View at MOH London

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770678964 or 770678964. Listed at 9 retailers as of October 29, 2026, with prices from $860 to $2,913, a $2,053 spread on the same certified stone. MOH London lists it at $2,913. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770678964
Dimensions11.96 × 6.16 × 3.85 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.96 mm6.16 mm1.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770678964
Side View
Table 62.0%Crown 33.6°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.5%

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: $2,913 CAD|Low: $1,064 CAD|High: $2,933 CAD|Avg: $1,645 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4$1,064 CAD
Retailer 5$1,124 CAD
Retailer 3$1,262 CAD
Retailer 2$1,298 CAD
Retailer 6$2,518 CAD
MOH London$2,913 CAD

43 data points across 6 retailers

9 retailers$860 CAD to $2,913 CAD

A
Cheapest Retailer
-
$860 CAD
HK$4,800 HKD
A
Retailer 2
-
$1,064 CAD
$760 USD
View
A
Retailer 3
-
$1,124 CAD
$803 USD
View
A
Retailer 4
-
$1,262 CAD
€859 EUR
View
A
Retailer 5
-
$1,298 CAD
£730 GBP
View
A
Retailer 6
-
$1,600 CAD
$1,143 USD
View
B+
Retailer 7
-
$2,570 CAD
$1,836 USD
View
B+
Retailer 8
-
$2,580 CAD
$1,844 USD
View
Most Expensive
B+
MOH London
LG770678964 · Oct 29
$2,913 CAD
£1,639 GBP
View
8 more retailers have this diamond
Prices start from $860 CADSave up to $2,053 CAD

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
$860 CAD