Marquise|Lab Grown|IGI

4.05ct E VVS2 Marquise Lab Grown Diamond

ID • E/VVS2 • IGI LG833657401

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833657401

Diamond specifications and retailer prices

From $667 USD
£525 GBP
As of October 27, 2026
Save $2,471 USD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,990 USD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG833657401 or 833657401. Listed at 23 retailers as of October 26, 2026, with a 371% 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833657401
Dimensions16.98 × 7.93 × 5.08 mm
L/W Ratio2.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.98 mm7.93 mm4.05 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833657401
Side View
Table 55.0%Crown 38.5°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 64.1%

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: $8,990 USD|Low: $665 USD|High: $8,990 USD|Avg: $2,280 USD
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
October 28, 2026
Retailer 12$667 USD
Retailer 18$688 USD
Retailer 6$749 USD
Retailer 9$770 USD
Retailer 2$975 USD
Retailer 4$1,142 USD
Retailer 13$1,271 USD
Retailer 11$1,294 USD
Retailer 15$1,683 USD
Retailer 7$1,720 USD
Retailer 17$1,791 USD
Retailer 8$1,864 USD
Retailer 10$2,484 USD
Retailer 16$2,583 USD
Retailer 5$2,623 USD
Retailer 3$2,753 USD
Retailer 14$3,138 USD
Brilliant Earth$8,990 USD

28 data points across 18 retailers

23 retailers$667 USD to $3,138 USD

A
Cheapest Retailer
-
$667 USD
£525 GBP
A
Retailer 2
-
$688 USD
View
A
Retailer 3
-
$749 USD
View
A
Retailer 4
-
$770 USD
View
Final sale: no returns
A
Retailer 5
-
$798 USD
View
Retailer 6
-
$871 USD
View
Price last confirmed 34 days ago
Retailer 7
-
$883 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$975 USD
View
B+
Retailer 9
-
$1,142 USD
View
A
Retailer 10
-
$1,271 USD
£1,001 GBP
View
A
Retailer 11
-
$1,294 USD
€1,232 EUR
View
A
Retailer 12
-
$1,683 USD
ZAR 27,192 ZAR
View
Retailer 13
-
$1,720 USD
A$2,646 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$1,791 USD
View
A
Retailer 15
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$1,864 USD
View
A
Retailer 16
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$2,244 USD
View
B+
Retailer 17
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$2,484 USD
£1,956 GBP
View
B+
Retailer 18
-
$2,583 USD
View
B+
Retailer 19
-
$2,623 USD
View
B+
Retailer 20
-
$2,753 USD
View
B+
Retailer 21
-
$3,138 USD
£2,471 GBP
View
Retailer 22
-
$6,287 USD
£4,950 GBP
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
21559629A · Oct 8
$8,990 USD
View
Price last confirmed 21 days ago
22 more retailers have this diamond
Prices start from $667 USDSave up to $2,471 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
$667 USD