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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 $614 USD
HK$4,800 HKD
As of October 29, 2026
Save $1,467 USD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,082 USD 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 $614 to $2,082, a $1,467 spread on the same certified stone. MOH London lists it at $2,082. 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: $2,082 USD|Low: $760 USD|High: $2,096 USD|Avg: $1,175 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4$760 USD
Retailer 5$803 USD
Retailer 3$902 USD
Retailer 2$930 USD
Retailer 6$1,799 USD
MOH London$2,082 USD

43 data points across 6 retailers

9 retailers$614 USD to $2,082 USD

A
Cheapest Retailer
-
$614 USD
HK$4,800 HKD
A
Retailer 2
-
$760 USD
View
A
Retailer 3
-
$803 USD
View
A
Retailer 4
-
$902 USD
€859 EUR
View
A
Retailer 5
-
$930 USD
£732 GBP
View
A
Retailer 6
-
$1,143 USD
View
B+
Retailer 7
-
$1,836 USD
View
B+
Retailer 8
-
$1,844 USD
View
Most Expensive
B+
MOH London
LG770678964 · Oct 29
$2,082 USD
£1,639 GBP
View
8 more retailers have this diamond
Prices start from $614 USDSave up to $1,467 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 Marquise
$614 USD