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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

GD • E/FL • IGI LG768630028

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630028

Diamond specifications and retailer prices

From €793 EUR
$886 USD
As of October 30, 2026
Save €2,354 EUR (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,147 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 FL clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG768630028 or 768630028. Listed at 14 retailers as of October 29, 2026, with prices from €793 to €3,147, a €2,354 spread on the same certified stone. MOH London lists it at €3,147. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Color
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630028
Dimensions11.60 × 5.94 × 3.81 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
11.60 mm5.94 mm1.51 ctE / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630028
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 64.1%

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: Oct 30
Current: €3,147 EUR|Low: €793 EUR|High: €4,126 EUR|Avg: €2,263 EUR|-16.8%
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
November 1, 2026
Retailer 14€793 EUR
Retailer 11€970 EUR
Retailer 4€1,088 EUR
Retailer 3€1,262 EUR
Retailer 2€1,281 EUR
Retailer 8€1,341 EUR
Retailer 9€1,535 EUR
Retailer 13€2,141 EUR
Retailer 6€2,557 EUR
Retailer 10€2,878 EUR
Retailer 5€2,983 EUR
Retailer 7€3,025 EUR
Retailer 12€3,095 EUR
MOH London€3,147 EUR

43 data points across 14 retailers

14 retailers€793 EUR to €3,147 EUR

A
Cheapest Retailer
-
€793 EUR
$886 USD
A
Retailer 2
-
€970 EUR
$1,084 USD
View
A
Retailer 3
-
€1,088 EUR
HK$9,500 HKD
View
B+
Retailer 4
-
€1,262 EUR
$1,410 USD
View
B+
Retailer 5
-
€1,281 EUR
£1,127 GBP
View
B+
Retailer 6
-
€1,341 EUR
View
B+
Retailer 7
-
€1,535 EUR
ZAR 27,702 ZAR
View
Retailer 8
-
€2,141 EUR
$2,392 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
€2,557 EUR
$2,857 USD
View
B
Retailer 10
-
€2,878 EUR
$3,215 USD
View
B
Retailer 11
-
€2,983 EUR
$3,333 USD
View
B
Retailer 12
-
€3,025 EUR
$3,380 USD
View
B
Retailer 13
-
€3,095 EUR
$3,458 USD
View
Most Expensive
B
MOH London
LG768630028 · Oct 29
€3,147 EUR
£2,768 GBP
View
13 more retailers have this diamond
Prices start from €793 EURSave up to €2,354 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
€793 EUR