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Marquise|Lab Grown|IGI

1.57ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG812620141

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812620141

Diamond specifications and retailer prices

From €627 EUR
$700 USD
As of October 30, 2026
Save €2,123 EUR (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,750 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 LG812620141 or 812620141. Listed at 23 retailers as of October 29, 2026, with prices from €627 to €2,750, a €2,123 spread on the same certified stone. MOH London lists it at €2,750. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620141
Dimensions11.87 × 6.01 × 3.73 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.87 mm6.01 mm1.57 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620141
Side View
Table 58.0%Crown 35°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,750 EUR|Low: €627 EUR|High: €3,133 EUR|Avg: €1,618 EUR|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 3€627 EUR
Retailer 9€678 EUR
Retailer 11€761 EUR
Retailer 4€977 EUR
Retailer 17€1,075 EUR
Retailer 6€1,075 EUR
Retailer 2€1,088 EUR
Retailer 15€1,193 EUR
Retailer 12€1,492 EUR
Retailer 13€1,617 EUR
Retailer 10€1,675 EUR
Retailer 8€2,060 EUR
Retailer 18€2,093 EUR
Retailer 7€2,180 EUR
Retailer 5€2,242 EUR
Retailer 16€2,284 EUR
Retailer 14€2,587 EUR
MOH London€2,750 EUR

39 data points across 18 retailers

23 retailers€627 EUR to €2,750 EUR

Retailer 1
-
€571 EUR
$638 USD
Price last confirmed 24 days ago
Retailer 2
-
€621 EUR
$694 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
€627 EUR
$700 USD
View
Final sale: no returns
Retailer 4
-
€662 EUR
$740 USD
View
Price last confirmed 29 days ago
Retailer 5
-
€662 EUR
$740 USD
View
Price last confirmed 19 days ago
Retailer 6
-
€670 EUR
$748 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
€761 EUR
$850 USD
View
A
Retailer 8
-
€977 EUR
$1,092 USD
View
A
Retailer 9
-
€1,075 EUR
$1,201 USD
View
A
Retailer 10
-
€1,075 EUR
View
A
Retailer 11
-
€1,088 EUR
£957 GBP
View
A
Retailer 12
-
€1,193 EUR
ZAR 21,535 ZAR
View
A
Retailer 13
-
€1,492 EUR
$1,667 USD
View
B+
Retailer 14
-
€1,617 EUR
A$2,780 AUD
View
Retailer 15
-
€1,675 EUR
$1,872 USD
View
Price last confirmed 8 days ago
Retailer 16
-
€1,863 EUR
$2,081 USD
View
Price last confirmed 31 days ago
Retailer 17
-
€2,060 EUR
£1,812 GBP
View
Price last confirmed 20 days ago
B+
Retailer 18
-
€2,093 EUR
$2,338 USD
View
B+
Retailer 19
-
€2,180 EUR
$2,435 USD
View
B+
Retailer 20
-
€2,242 EUR
$2,505 USD
View
B+
Retailer 21
-
€2,284 EUR
$2,551 USD
View
B
Retailer 22
-
€2,587 EUR
$2,890 USD
View
Most Expensive
B
MOH London
LG812620141 · Oct 29
€2,750 EUR
£2,419 GBP
View
22 more retailers have this diamond
Prices start from €627 EURSave up to €2,123 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
€627 EUR