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Marquise|Lab Grown|IGI

4.51ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG838644151

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838644151

Diamond specifications and retailer prices

From €641 EUR
$716 USD
As of October 30, 2026
Save €5,052 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,693 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 top-tier cut grade and certified by IGI LG838644151 or 838644151. Listed at 11 retailers as of October 30, 2026, with prices from €641 to €5,693, a €5,052 spread on the same certified stone. Do Amore Diamonds lists it at €5,693. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838644151
Dimensions17.93 × 8.57 × 5.09 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.93 mm8.57 mm4.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838644151
Side View
Table 64.0%Crown 33.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.4%

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: €5,693 EUR|Low: €641 EUR|High: €7,313 EUR|Avg: €2,803 EUR|-1.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8€641 EUR
Retailer 4€735 EUR
Retailer 11€1,207 EUR
Retailer 6€1,208 EUR
Retailer 7€1,831 EUR
Retailer 3€2,018 EUR
Retailer 10€2,308 EUR
Retailer 5€3,093 EUR
Retailer 2€4,100 EUR
Retailer 9€4,352 EUR
Do Amore Diamonds€5,693 EUR

19 data points across 11 retailers

11 retailers€641 EUR to €5,693 EUR

A
Cheapest Retailer
-
€641 EUR
$716 USD
A
Retailer 2
-
€735 EUR
£646 GBP
View
B+
Retailer 3
-
€1,207 EUR
$1,348 USD
View
B+
Retailer 4
-
€1,208 EUR
$1,350 USD
View
B+
Retailer 5
-
€1,831 EUR
$2,046 USD
View
B+
Retailer 6
-
€2,018 EUR
$2,255 USD
View
B+
Retailer 7
-
€2,308 EUR
$2,578 USD
View
B+
Retailer 8
-
€3,093 EUR
£2,721 GBP
View
B
Retailer 9
-
€4,100 EUR
$4,580 USD
View
B
Retailer 10
-
€4,352 EUR
$4,863 USD
View
Most Expensive
B
Do Amore Diamonds
27-013763879 · Oct 31
€5,693 EUR
$6,360 USD
View
10 more retailers have this diamond
Prices start from €641 EURSave up to €5,052 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
€641 EUR