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Marquise|Lab Grown|IGI

4.51ct E VS2 Marquise Lab Grown Diamond

VG • E/VS2 • IGI LG844649670

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844649670

Diamond specifications and retailer prices

From €614 EUR
£540 GBP
As of October 26, 2026
Save €2,286 EUR (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,900 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 4.51ct lab-grown marquise diamond

This 4.51ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG844649670 or 844649670. Listed at 11 retailers as of October 26, 2026, with prices from €614 to €2,900, a €2,286 spread on the same certified stone. MOH London lists it at €2,900. 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

4.51
Carat
E
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844649670
Dimensions17.56 × 8.34 × 5.08 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.56 mm8.34 mm4.51 ctE / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844649670
Side View
Table 63.0%Crown 33.9°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 60.9%

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: Oct 26
Current: €2,900 EUR|Low: €613 EUR|High: €2,911 EUR|Avg: €1,563 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
October 26, 2026
Retailer 5€614 EUR
Retailer 10€663 EUR
Retailer 9€846 EUR
Retailer 3€974 EUR
Retailer 2€1,089 EUR
Retailer 6€1,101 EUR
Retailer 4€1,591 EUR
Retailer 8€1,756 EUR
Retailer 11€2,194 EUR
Retailer 7€2,277 EUR
Retailer 12€2,372 EUR
MOH London€2,900 EUR

7 data points across 12 retailers

11 retailers€614 EUR to €2,900 EUR

A
Cheapest Retailer
-
€614 EUR
£540 GBP
A
Retailer 2
-
€846 EUR
$945 USD
View
Retailer 3
-
€974 EUR
$1,088 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
€1,089 EUR
£958 GBP
View
A
Retailer 5
-
€1,101 EUR
View
B+
Retailer 6
-
€1,591 EUR
$1,778 USD
View
B+
Retailer 7
-
€1,756 EUR
$1,962 USD
View
B+
Retailer 8
-
€2,194 EUR
$2,451 USD
View
B+
Retailer 9
-
€2,277 EUR
$2,544 USD
View
B
Retailer 10
-
€2,372 EUR
$2,650 USD
View
Most Expensive
B
MOH London
LG844649670 · Oct 26
€2,900 EUR
£2,551 GBP
View
10 more retailers have this diamond
Prices start from €614 EURSave up to €2,286 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
4.51ct Marquise
€614 EUR