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Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG624415131

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG624415131

Diamond specifications and retailer prices

From €527 EUR
$589 USD
As of October 30, 2026
Save €2,324 EUR (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €2,851 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct 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 LG624415131 or 624415131. Listed at 26 retailers as of October 29, 2026, with prices from €527 to €2,851, a €2,324 spread on the same certified stone. MOH London lists it at €2,851. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624415131
Dimensions11.69 × 6.00 × 3.80 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
11.69 mm6.00 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624415131
Side View
Table 59.0%Crown 36.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
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: €2,851 EUR|Low: €527 EUR|High: €2,870 EUR|Avg: €1,426 EUR|-0.4%
MOH London
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Retailer 26
October 31, 2026
Retailer 5€527 EUR
Retailer 2€589 EUR
Retailer 25€590 EUR
Retailer 3€653 EUR
Retailer 8€681 EUR
Retailer 9€756 EUR
Retailer 4€770 EUR
Retailer 10€842 EUR
Retailer 19€924 EUR
Retailer 15€999 EUR
Retailer 23€1,003 EUR
Retailer 13€1,021 EUR
Retailer 24€1,123 EUR
Retailer 21€1,522 EUR
Retailer 16€1,546 EUR
Retailer 7€1,621 EUR
Retailer 6€1,719 EUR
Retailer 14€2,086 EUR
Retailer 12€2,114 EUR
Retailer 26€2,135 EUR
Retailer 20€2,157 EUR
Retailer 17€2,176 EUR
Retailer 11€2,178 EUR
Retailer 22€2,256 EUR
Retailer 18€2,283 EUR
MOH London€2,851 EUR

28 data points across 26 retailers

26 retailers€527 EUR to €2,851 EUR

A
Cheapest Retailer
-
€527 EUR
$589 USD
A
Retailer 2
-
€589 EUR
$658 USD
View
Final sale: no returns
A
Retailer 3
-
€590 EUR
$659 USD
View
A
Retailer 4
-
€653 EUR
$730 USD
View
Retailer 5
-
€681 EUR
£599 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
€756 EUR
HK$6,600 HKD
View
A
Retailer 7
-
€770 EUR
$860 USD
View
A
Retailer 8
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€842 EUR
$941 USD
View
A
Retailer 9
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€924 EUR
$1,032 USD
View
A
Retailer 10
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€999 EUR
$1,116 USD
View
A
Retailer 11
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€1,003 EUR
View
A
Retailer 12
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€1,021 EUR
£899 GBP
View
A
Retailer 13
-
€1,123 EUR
ZAR 20,264 ZAR
View
B+
Retailer 14
-
€1,522 EUR
A$2,616 AUD
View
Retailer 15
-
€1,546 EUR
$1,727 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
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€1,621 EUR
$1,811 USD
View
B+
Retailer 17
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€1,719 EUR
$1,920 USD
View
B+
Retailer 18
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€2,086 EUR
$2,330 USD
View
B+
Retailer 19
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€2,114 EUR
$2,362 USD
View
B+
Retailer 20
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€2,135 EUR
$2,385 USD
View
B+
Retailer 21
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€2,157 EUR
A$3,707 AUD
View
B+
Retailer 22
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€2,176 EUR
SGD 3,285 SGD
View
B+
Retailer 23
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€2,178 EUR
$2,434 USD
View
B+
Retailer 24
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€2,256 EUR
$2,520 USD
View
B
Retailer 25
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€2,283 EUR
$2,551 USD
View
Most Expensive
B
MOH London
LG624415131 · Oct 29
€2,851 EUR
£2,508 GBP
View
25 more retailers have this diamond
Prices start from €527 EURSave up to €2,324 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
1.51ct Marquise
€527 EUR