Marquise|Lab Grown|IGI

4.08ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG841611846

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841611846

Diamond specifications and retailer prices

From $495 USD
As of November 1, 2026
Save $2,475 USD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,970 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.08ct lab-grown marquise diamond

This 4.08ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841611846 or 841611846. Listed at 3 retailers as of October 31, 2026, with prices from $495 to $2,970, a $2,475 spread on the same certified stone. Brilliant Earth lists it at $2,970. 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

4.08
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841611846
Dimensions15.76 × 8.39 × 5.37 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 mm8.39 mm4.08 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841611846
Side View
Table 62.0%Crown 37.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,970 USD|Low: $495 USD|High: $2,980 USD|Avg: $1,738 USD|-0.3%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$495 USD
Retailer 2$949 USD
Brilliant Earth$2,970 USD

26 data points across 3 retailers

3 retailers$495 USD to $2,970 USD

A
Cheapest Retailer
-
$495 USD
Final sale: no returns
A
Retailer 2
-
$949 USD
£747 GBP
View
Most Expensive
B
Brilliant Earth
21703363A · Oct 31
$2,970 USD
View
2 more retailers have this diamond
Prices start from $495 USDSave up to $2,475 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
4.08ct Marquise
$495 USD