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Marquise|Lab Grown|IGI

4.07ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG842642018

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842642018

Diamond specifications and retailer prices

From $623 USD
As of November 1, 2026
Save $1,638 USD (72%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,450 USD at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 4.07ct lab-grown marquise diamond

This 4.07ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842642018 or 842642018. Listed at 4 retailers as of October 31, 2026, with a 263% 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

4.07
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842642018
Dimensions15.84 × 8.39 × 5.34 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.84 mm8.39 mm4.07 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842642018
Side View
Table 62.0%Crown 36.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,261 USD|Low: $623 USD|High: $2,316 USD|Avg: $1,274 USD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 2$623 USD
Retailer 3$863 USD
Retailer 4$1,096 USD
Retailer 1$2,261 USD

9 data points across 4 retailers

4 retailers$623 USD to $2,261 USD

A
Cheapest Retailer
-
$623 USD
Final sale: no returns
B+
Retailer 2
-
$863 USD
View
B+
Retailer 3
-
$2,261 USD
View
Most Expensive
Brilliant Earth
21714806A · Oct 12
$3,450 USD
View
Price last confirmed 21 days ago
3 more retailers have this diamond
Prices start from $623 USDSave up to $1,638 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
4.07ct Marquise
$623 USD