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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 €550 EUR
HK$4,800 HKD
As of October 31, 2026
Save €1,313 EUR (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,863 EUR 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 €550 to €1,863, a €1,313 spread on the same certified stone. MOH London lists it at €1,863. 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 31
Current: €1,863 EUR|Low: €680 EUR|High: €1,876 EUR|Avg: €1,071 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2€680 EUR
Retailer 5€719 EUR
Retailer 4€807 EUR
Retailer 3€835 EUR
Retailer 6€1,610 EUR
MOH London€1,863 EUR

44 data points across 6 retailers

9 retailers€550 EUR to €1,863 EUR

A
Cheapest Retailer
-
€550 EUR
HK$4,800 HKD
A
Retailer 2
-
€680 EUR
$760 USD
View
A
Retailer 3
-
€719 EUR
$803 USD
View
A
Retailer 4
-
€807 EUR
View
A
Retailer 5
-
€835 EUR
£735 GBP
View
A
Retailer 6
-
€1,023 EUR
$1,143 USD
View
B+
Retailer 7
-
€1,643 EUR
$1,836 USD
View
B+
Retailer 8
-
€1,650 EUR
$1,844 USD
View
Most Expensive
B+
MOH London
LG770678964 · Oct 29
€1,863 EUR
£1,639 GBP
View
8 more retailers have this diamond
Prices start from €550 EURSave up to €1,313 EUR

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
€550 EUR