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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 €589 EUR
$658 USD
As of October 30, 2026
Save €2,262 EUR (79%) vs most expensive(unlock to see where)
31 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 LG629494686 or 629494686. Listed at 31 retailers as of October 29, 2026, with prices from €589 to €2,851, a €2,262 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 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: Oct 30
Current: €2,851 EUR|Low: €527 EUR|High: €2,870 EUR|Avg: €1,491 EUR|-0.4%
MOH London
Retailer 2
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Retailer 24
October 31, 2026
Retailer 12€527 EUR
Retailer 23€589 EUR
Retailer 11€653 EUR
Retailer 5€756 EUR
Retailer 3€770 EUR
Retailer 6€842 EUR
Retailer 17€924 EUR
Retailer 10€999 EUR
Retailer 20€1,003 EUR
Retailer 2€1,021 EUR
Retailer 22€1,123 EUR
Retailer 21€1,145 EUR
Retailer 18€1,522 EUR
Retailer 14€1,546 EUR
Retailer 4€1,621 EUR
Retailer 9€2,086 EUR
Retailer 8€2,114 EUR
Retailer 24€2,135 EUR
Retailer 13€2,157 EUR
Retailer 15€2,176 EUR
Retailer 7€2,178 EUR
Retailer 19€2,256 EUR
Retailer 16€2,283 EUR
MOH London€2,851 EUR

31 data points across 24 retailers

31 retailers€589 EUR to €2,851 EUR

Retailer 1
-
€527 EUR
$589 USD
Price last confirmed 23 days ago
Retailer 2
-
€546 EUR
$610 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
€589 EUR
$658 USD
View
Final sale: no returns
Retailer 4
-
€611 EUR
$683 USD
View
Price last confirmed 32 days ago
Retailer 5
-
€653 EUR
$730 USD
View
Price last confirmed 23 days ago
Retailer 6
-
€653 EUR
$730 USD
View
Price last confirmed 21 days ago
Retailer 7
-
€669 EUR
$747 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
€756 EUR
HK$6,600 HKD
View
A
Retailer 9
-
€770 EUR
$860 USD
View
A
Retailer 10
-
€842 EUR
$941 USD
View
A
Retailer 11
-
€924 EUR
$1,032 USD
View
A
Retailer 12
-
€999 EUR
$1,116 USD
View
A
Retailer 13
-
€1,003 EUR
View
A
Retailer 14
-
€1,021 EUR
£899 GBP
View
A
Retailer 15
-
€1,123 EUR
ZAR 20,264 ZAR
View
A
Retailer 16
-
€1,145 EUR
A$1,968 AUD
View
B+
Retailer 17
-
€1,522 EUR
A$2,616 AUD
View
Retailer 18
-
€1,546 EUR
$1,727 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
€1,621 EUR
$1,811 USD
View
Retailer 20
-
€1,719 EUR
$1,920 USD
View
Price last confirmed 21 days ago
B+
Retailer 21
-
€1,719 EUR
$1,920 USD
View
Retailer 22
-
€1,781 EUR
$1,990 USD
View
Price last confirmed 31 days ago
B+
Retailer 23
-
€2,086 EUR
$2,330 USD
View
B+
Retailer 24
-
€2,114 EUR
$2,362 USD
View
B+
Retailer 25
-
€2,135 EUR
$2,385 USD
View
B+
Retailer 26
-
€2,157 EUR
A$3,707 AUD
View
B+
Retailer 27
-
€2,176 EUR
SGD 3,285 SGD
View
B+
Retailer 28
-
€2,178 EUR
$2,434 USD
View
B+
Retailer 29
-
€2,256 EUR
$2,520 USD
View
B
Retailer 30
-
€2,283 EUR
$2,551 USD
View
Most Expensive
B
MOH London
LG629494686 · Oct 29
€2,851 EUR
£2,508 GBP
View
30 more retailers have this diamond
Prices start from €589 EURSave up to €2,262 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
€589 EUR