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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 $877 AUD
HK$4,800 HKD
As of November 1, 2026
Save $2,093 AUD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,970 AUD 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 $877 to $2,970, a $2,093 spread on the same certified stone. MOH London lists it at $2,970. 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
Colour
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: Nov 1
Current: $2,970 AUD|Low: $1,084 AUD|High: $2,990 AUD|Avg: $1,712 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2$1,084 AUD
Retailer 5$1,146 AUD
Retailer 4$1,287 AUD
Retailer 3$1,331 AUD
Retailer 6$2,567 AUD
MOH London$2,970 AUD

43 data points across 6 retailers

9 retailers$877 AUD to $2,970 AUD

A
Cheapest Retailer
-
$877 AUD
HK$4,800 HKD
A
Retailer 2
-
$1,084 AUD
$760 USD
View
A
Retailer 3
-
$1,146 AUD
$803 USD
View
A
Retailer 4
-
$1,287 AUD
€859 EUR
View
A
Retailer 5
-
$1,331 AUD
£735 GBP
View
A
Retailer 6
-
$1,631 AUD
$1,143 USD
View
B+
Retailer 7
-
$2,620 AUD
$1,836 USD
View
B+
Retailer 8
-
$2,631 AUD
$1,844 USD
View
Most Expensive
B+
MOH London
LG770678964 · Oct 29
$2,970 AUD
£1,639 GBP
View
8 more retailers have this diamond
Prices start from $877 AUDSave up to $2,093 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 Marquise
$877 AUD