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Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG800679051

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679051

Diamond specifications and retailer prices

From €776 EUR
HK$6,800 HKD
As of November 1, 2026
Save €2,152 EUR (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,928 EUR at MOH London · As of November 1, 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 LG800679051 or 800679051. Listed at 12 retailers as of November 1, 2026, with prices from €776 to €2,928, a €2,152 spread on the same certified stone. MOH London lists it at €2,928. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679051
Dimensions11.89 × 5.99 × 3.77 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
11.89 mm5.99 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679051
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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 1
Current: €2,928 EUR|Low: €772 EUR|High: €2,968 EUR|Avg: €1,720 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 7€776 EUR
Retailer 9€954 EUR
Retailer 11€1,001 EUR
Retailer 6€1,035 EUR
Retailer 2€1,056 EUR
Retailer 10€1,141 EUR
Retailer 12€1,599 EUR
Retailer 4€2,180 EUR
Retailer 8€2,187 EUR
Retailer 3€2,315 EUR
Retailer 5€2,345 EUR
MOH London€2,928 EUR

42 data points across 12 retailers

12 retailers€776 EUR to €2,928 EUR

A
Cheapest Retailer
-
€776 EUR
HK$6,800 HKD
A
Retailer 2
-
€954 EUR
$1,070 USD
View
A
Retailer 3
-
€1,001 EUR
$1,123 USD
View
A
Retailer 4
-
€1,035 EUR
View
A
Retailer 5
-
€1,056 EUR
£933 GBP
View
A
Retailer 6
-
€1,141 EUR
A$1,968 AUD
View
Retailer 7
-
€1,599 EUR
$1,794 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€2,180 EUR
$2,446 USD
View
Retailer 9
-
€2,187 EUR
A$3,773 AUD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
€2,345 EUR
$2,630 USD
View
B
Retailer 11
-
€2,362 EUR
$2,649 USD
View
Most Expensive
B
MOH London
LG800679051 · Nov 1
€2,928 EUR
£2,586 GBP
View
11 more retailers have this diamond
Prices start from €776 EURSave up to €2,152 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
€776 EUR