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 €525 EUR
$589 USD
As of November 2, 2026
Save €2,315 EUR (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,840 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 25 retailers as of October 29, 2026, with prices from €525 to €2,840, a €2,315 spread on the same certified stone. MOH London lists it at €2,840. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €2,840 EUR|Low: €525 EUR|High: €2,859 EUR|Avg: €1,420 EUR|-0.4%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
November 2, 2026
Retailer 5€525 EUR
Retailer 20€587 EUR
Retailer 25€588 EUR
Retailer 3€651 EUR
Retailer 8€678 EUR
Retailer 9€753 EUR
Retailer 4€767 EUR
Retailer 10€839 EUR
Retailer 19€920 EUR
Retailer 15€995 EUR
Retailer 24€999 EUR
Retailer 13€1,009 EUR
Retailer 2€1,118 EUR
Retailer 22€1,516 EUR
Retailer 16€1,540 EUR
Retailer 7€1,615 EUR
Retailer 6€1,712 EUR
Retailer 14€2,077 EUR
Retailer 12€2,106 EUR
Retailer 26€2,126 EUR
Retailer 21€2,148 EUR
Retailer 17€2,167 EUR
Retailer 11€2,170 EUR
Retailer 23€2,247 EUR
Retailer 18€2,274 EUR
MOH London€2,840 EUR

29 data points across 26 retailers

25 retailers€525 EUR to €2,840 EUR

A
Cheapest Retailer
-
€525 EUR
$589 USD
A
Retailer 2
-
€587 EUR
$658 USD
View
Final sale: no returns
A
Retailer 3
-
€588 EUR
$659 USD
View
A
Retailer 4
-
€651 EUR
$730 USD
View
A
Retailer 5
-
€753 EUR
HK$6,600 HKD
View
A
Retailer 6
-
€767 EUR
$860 USD
View
A
Retailer 7
-
€839 EUR
$941 USD
View
A
Retailer 8
-
€920 EUR
$1,032 USD
View
A
Retailer 9
-
€995 EUR
$1,116 USD
View
A
Retailer 10
-
€999 EUR
View
A
Retailer 11
-
€1,009 EUR
£891 GBP
View
A
Retailer 12
-
€1,118 EUR
ZAR 20,266 ZAR
View
B+
Retailer 13
-
€1,516 EUR
A$2,616 AUD
View
Retailer 14
-
€1,540 EUR
$1,727 USD
View
Price last confirmed 9 days ago
Retailer 15
-
€1,615 EUR
$1,811 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
€1,712 EUR
$1,920 USD
View
B+
Retailer 17
-
€2,077 EUR
$2,330 USD
View
B+
Retailer 18
-
€2,106 EUR
$2,362 USD
View
B+
Retailer 19
-
€2,126 EUR
$2,385 USD
View
B+
Retailer 20
-
€2,148 EUR
A$3,707 AUD
View
B+
Retailer 21
-
€2,167 EUR
SGD 3,285 SGD
View
B+
Retailer 22
-
€2,170 EUR
$2,434 USD
View
B+
Retailer 23
-
€2,247 EUR
$2,520 USD
View
B
Retailer 24
-
€2,274 EUR
$2,551 USD
View
Most Expensive
B
MOH London
LG624415131 · Oct 29
€2,840 EUR
£2,508 GBP
View
24 more retailers have this diamond
Prices start from €525 EURSave up to €2,315 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
€525 EUR