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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 HK$4,820 HKD
As of October 31, 2026
Save HK$11,511 HKD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$16,331 HKD 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 HK$4,820 to HK$16,331, a HK$11,511 spread on the same certified stone. MOH London lists it at HK$16,331. 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: Oct 31
Current: HK$16,331 HKD|Low: HK$5,963 HKD|High: HK$16,441 HKD|Avg: HK$9,384 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5HK$6,300 HKD
Retailer 3HK$6,936 HKD
Retailer 4HK$7,076 HKD
Retailer 2HK$7,321 HKD
Retailer 6HK$14,114 HKD
MOH LondonHK$16,331 HKD

43 data points across 6 retailers

9 retailersHK$4,820 HKD to HK$16,331 HKD

A
Cheapest Retailer
-
HK$4,820 HKD
A
Retailer 2
-
HK$6,300 HKD
$803 USD
View
A
Retailer 3
-
HK$6,936 HKD
$884 USD
View
A
Retailer 4
-
HK$7,076 HKD
€859 EUR
View
A
Retailer 5
-
HK$7,321 HKD
£735 GBP
View
A
Retailer 6
-
HK$8,968 HKD
$1,143 USD
View
B+
Retailer 7
-
HK$14,405 HKD
$1,836 USD
View
B+
Retailer 8
-
HK$14,464 HKD
$1,844 USD
View
Most Expensive
B+
MOH London
LG770678964 · Oct 29
HK$16,331 HKD
£1,639 GBP
View
8 more retailers have this diamond
Prices start from HK$4,820 HKDSave up to HK$11,511 HKD

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
HK$4,820 HKD