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Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG629494686

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG629494686

Diamond specifications and retailer prices

From €654 EUR
$734 USD
As of November 1, 2026
Save €2,185 EUR (77%) vs most expensive(unlock to see where)
31 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 LG629494686 or 629494686. Listed at 31 retailers as of October 29, 2026, with prices from €654 to €2,840, a €2,185 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 angle34.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629494686
Dimensions11.96 × 5.99 × 3.65 mm
L/W Ratio2.00
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
11.96 mm5.99 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629494686
Side View
Table 60.0%Crown 34.9°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 60.9%

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: Nov 1
Current: €2,840 EUR|Low: €525 EUR|High: €2,859 EUR|Avg: €1,485 EUR|-0.4%
MOH London
Retailer 2
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Retailer 24
November 2, 2026
Retailer 12€525 EUR
Retailer 11€651 EUR
Retailer 18€654 EUR
Retailer 5€753 EUR
Retailer 3€767 EUR
Retailer 6€839 EUR
Retailer 17€920 EUR
Retailer 10€995 EUR
Retailer 22€999 EUR
Retailer 13€1,009 EUR
Retailer 2€1,118 EUR
Retailer 23€1,141 EUR
Retailer 20€1,516 EUR
Retailer 14€1,540 EUR
Retailer 4€1,615 EUR
Retailer 9€2,077 EUR
Retailer 8€2,106 EUR
Retailer 24€2,126 EUR
Retailer 19€2,148 EUR
Retailer 15€2,167 EUR
Retailer 7€2,170 EUR
Retailer 21€2,247 EUR
Retailer 16€2,274 EUR
MOH London€2,840 EUR

32 data points across 24 retailers

31 retailers€654 EUR to €2,840 EUR

Retailer 1
-
€525 EUR
$589 USD
Price last confirmed 25 days ago
Retailer 2
-
€544 EUR
$610 USD
View
Price last confirmed 34 days ago
Retailer 3
-
€609 EUR
$683 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€651 EUR
$730 USD
View
Price last confirmed 25 days ago
Retailer 5
-
€651 EUR
$730 USD
View
Price last confirmed 23 days ago
A
Retailer 6
-
€654 EUR
$734 USD
View
Final sale: no returns
Retailer 7
-
€666 EUR
$747 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
€753 EUR
HK$6,600 HKD
View
A
Retailer 9
-
€767 EUR
$860 USD
View
A
Retailer 10
-
€839 EUR
$941 USD
View
A
Retailer 11
-
€920 EUR
$1,032 USD
View
A
Retailer 12
-
€995 EUR
$1,116 USD
View
A
Retailer 13
-
€999 EUR
View
A
Retailer 14
-
€1,009 EUR
£891 GBP
View
A
Retailer 15
-
€1,118 EUR
ZAR 20,266 ZAR
View
A
Retailer 16
-
€1,141 EUR
A$1,968 AUD
View
B+
Retailer 17
-
€1,516 EUR
A$2,616 AUD
View
Retailer 18
-
€1,540 EUR
$1,727 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
€1,615 EUR
$1,811 USD
View
Retailer 20
-
€1,712 EUR
$1,920 USD
View
Price last confirmed 23 days ago
B+
Retailer 21
-
€1,712 EUR
$1,920 USD
View
Retailer 22
-
€1,774 EUR
$1,990 USD
View
Price last confirmed 33 days ago
B+
Retailer 23
-
€2,077 EUR
$2,330 USD
View
B+
Retailer 24
-
€2,106 EUR
$2,362 USD
View
B+
Retailer 25
-
€2,126 EUR
$2,385 USD
View
B+
Retailer 26
-
€2,148 EUR
A$3,707 AUD
View
B+
Retailer 27
-
€2,167 EUR
SGD 3,285 SGD
View
B+
Retailer 28
-
€2,170 EUR
$2,434 USD
View
B+
Retailer 29
-
€2,247 EUR
$2,520 USD
View
B
Retailer 30
-
€2,274 EUR
$2,551 USD
View
Most Expensive
B
MOH London
LG629494686 · Oct 29
€2,840 EUR
£2,508 GBP
View
30 more retailers have this diamond
Prices start from €654 EURSave up to €2,185 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
€654 EUR