Marquise|Lab Grown|IGI

4.05ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG839647453

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839647453

Diamond specifications and retailer prices

From $1,382 USD
€1,316 EUR
As of October 27, 2026
Save $405 USD (23%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,352 USD at MOH London · As of October 18, 2026
View at MOH London

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839647453 or 839647453. Listed at 17 retailers as of October 23, 2026, with a 29% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.05
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647453
Dimensions15.95 × 8.41 × 5.28 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.95 mm8.41 mm4.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647453
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: Oct 27
Current: $3,352 USD|Low: $672 USD|High: $3,378 USD|Avg: $1,738 USD|+3.8%
MOH London
Retailer 2
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Retailer 6
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 27, 2026
Retailer 4$682 USD
Retailer 12$682 USD
Retailer 9$763 USD
Retailer 3$791 USD
Retailer 17$791 USD
Retailer 13$975 USD
Retailer 16$1,132 USD
Retailer 11$1,252 USD
Retailer 2$1,382 USD
Retailer 14$1,705 USD
Retailer 8$1,787 USD
Retailer 15$2,021 USD
Retailer 18$2,454 USD
Retailer 6$2,605 USD
Retailer 7$2,699 USD
Retailer 10$2,729 USD
Retailer 5$3,189 USD
MOH London$3,352 USD

24 data points across 18 retailers

17 retailers$1,382 USD to $1,787 USD

Retailer 1
-
$682 USD
Price last confirmed 8 days ago
Retailer 2
-
$682 USD
£537 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
$791 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$791 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$975 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$1,132 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$1,252 USD
£986 GBP
View
Price last confirmed 7 days ago
A
Retailer 8
-
$1,382 USD
€1,316 EUR
View
Retailer 9
-
$1,705 USD
A$2,623 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$1,787 USD
View
Retailer 11
-
$2,021 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$2,454 USD
£1,932 GBP
View
Price last confirmed 8 days ago
Retailer 13
-
$2,605 USD
View
Price last confirmed 7 days ago
Retailer 14
-
$2,699 USD
View
Price last confirmed 7 days ago
Retailer 15
-
$2,729 USD
View
Price last confirmed 8 days ago
Retailer 16
-
$3,189 USD
A$4,906 AUD
View
Price last confirmed 22 days ago
Most Expensive
MOH London
LG839647453 · Oct 18
$3,352 USD
£2,639 GBP
View
Price last confirmed 12 days ago
16 more retailers have this diamond
Prices start from $1,382 USDSave up to $405 USD

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
4.05ct Marquise
$1,382 USD