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Marquise|Lab Grown|IGI

4.51ct E VS2 Marquise Lab Grown Diamond

VG • E/VS2 • IGI LG833643573

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833643573

Diamond specifications and retailer prices

From €1,071 EUR
$1,196 USD
As of November 1, 2026
Save €3,844 EUR (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,914 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG833643573 or 833643573. Listed at 7 retailers as of October 28, 2026, with prices from €1,071 to €4,914, a €3,844 spread on the same certified stone. Rare Carat lists it at €4,914. 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 angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833643573
Dimensions16.41 × 8.56 × 5.47 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.41 mm8.56 mm4.51 ctE / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833643573
Side View
Table 56.0%Crown 35.5°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
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: Nov 1
Current: €4,914 EUR|Low: €1,070 EUR|High: €4,963 EUR|Avg: €2,068 EUR|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6€1,071 EUR
Retailer 2€1,083 EUR
Retailer 7€1,105 EUR
Retailer 4€1,588 EUR
Retailer 5€2,338 EUR
Retailer 3€2,869 EUR
Rare Carat€4,914 EUR

40 data points across 7 retailers

7 retailers€1,071 EUR to €4,914 EUR

A
Cheapest Retailer
-
€1,071 EUR
$1,196 USD
A
Retailer 2
-
€1,083 EUR
£953 GBP
View
B+
Retailer 3
-
€1,105 EUR
$1,235 USD
View
A
Retailer 4
-
€1,588 EUR
$1,774 USD
View
B+
Retailer 5
-
€2,338 EUR
$2,612 USD
View
B+
Retailer 6
-
€2,869 EUR
£2,524 GBP
View
Most Expensive
B
Rare Carat
703760_l_833643573 · Oct 28
€4,914 EUR
$5,490 USD
View
6 more retailers have this diamond
Prices start from €1,071 EURSave up to €3,844 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
€1,071 EUR