Marquise|Lab Grown|IGI

4.04ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • IGI LG846648112

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846648112

Diamond specifications and retailer prices

From $1,273 USD
As of October 26, 2026
Save $1,489 USD (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,490 USD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 4.04ct lab-grown marquise diamond

This 4.04ct lab-grown marquise sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846648112 or 846648112. Listed at 6 retailers as of October 26, 2026, with a 117% 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

4.04
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846648112
Dimensions15.76 × 8.40 × 5.30 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.76 mm8.40 mm4.04 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846648112
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.1%

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 26
Current: $1,268 USD|Low: $1,218 USD|High: $3,150 USD|Avg: $1,958 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 25, 2026
Retailer 3$1,218 USD
Retailer 1$1,268 USD
Retailer 4$1,273 USD
Retailer 5$2,762 USD
Retailer 2$3,150 USD

2 data points across 5 retailers

6 retailers$1,273 USD to $2,762 USD

Retailer 1
-
$1,218 USD
Price last confirmed 7 days ago
Retailer 2
-
$1,268 USD
€1,208 EUR
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,273 USD
View
B
Retailer 4
-
$2,762 USD
View
Retailer 5
-
$3,150 USD
£2,480 GBP
View
Price last confirmed 7 days ago
Most Expensive
Brilliant Earth
22303512A · Oct 25
$4,490 USD
View
Price last confirmed 7 days ago
5 more retailers have this diamond
Prices start from $1,273 USDSave up to $1,489 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
4.04ct Marquise
$1,273 USD