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Marquise|Lab Grown|IGI

4.00ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG839611898

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839611898

Diamond specifications and retailer prices

From $734 USD
As of November 1, 2026
Save $2,902 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,090 USD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839611898 or 839611898. Listed at 9 retailers as of October 29, 2026, with a 395% 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

4.00
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839611898
Dimensions16.53 × 8.32 × 5.14 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.53 mm8.32 mm4.00 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839611898
Side View
Table 61.0%Crown 35.7°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 61.8%

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: Nov 1
Current: $2,296 USD|Low: $734 USD|High: $3,636 USD|Avg: $1,931 USD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2$734 USD
Retailer 5$1,006 USD
Retailer 6$1,189 USD
Retailer 1$2,296 USD
Retailer 3$2,740 USD
Retailer 4$3,636 USD

12 data points across 6 retailers

9 retailers$734 USD to $3,636 USD

A
Cheapest Retailer
-
$734 USD
Final sale: no returns
B+
Retailer 2
-
$1,006 USD
View
B+
Retailer 3
-
$2,296 USD
View
B
Retailer 4
-
$2,715 USD
View
B
Retailer 5
-
$2,740 USD
View
B
Retailer 6
-
$2,740 USD
View
B
Retailer 7
-
$2,745 USD
View
B
Retailer 8
-
$3,636 USD
View
Most Expensive
Brilliant Earth
21552558A · Oct 1
$6,090 USD
View
Price last confirmed 32 days ago
8 more retailers have this diamond
Prices start from $734 USDSave up to $2,902 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
4.00ct Marquise
$734 USD