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Marquise|Lab Grown|IGI

4.08ct F SI1 Marquise Lab Grown Diamond

VG • F/SI1 • IGI LG848680451

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848680451

Diamond specifications and retailer prices

From $1,017 USD
£801 GBP
As of November 2, 2026
Save $1,741 USD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,758 USD at MOH London · As of November 1, 2026
View at MOH London

About this 4.08ct lab-grown marquise diamond

This 4.08ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG848680451 or 848680451. Listed at 4 retailers as of November 1, 2026, with prices from $1,017 to $2,758, a $1,741 spread on the same certified stone. MOH London lists it at $2,758. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.08
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848680451
Dimensions15.64 × 8.57 × 5.20 mm
L/W Ratio1.82
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.64 mm8.57 mm4.08 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848680451
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 60.7%

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: Nov 2
Current: $2,758 USD|Low: $1,016 USD|High: $2,762 USD|Avg: $1,489 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$1,017 USD
Retailer 3$1,022 USD
Retailer 4$1,189 USD
MOH London$2,758 USD

9 data points across 4 retailers

4 retailers$1,017 USD to $2,758 USD

A
Cheapest Retailer
-
$1,017 USD
£801 GBP
B+
Retailer 2
-
$1,022 USD
View
B+
Retailer 3
-
$1,189 USD
View
Most Expensive
B
MOH London
LG848680451 · Nov 1
$2,758 USD
£2,172 GBP
View
3 more retailers have this diamond
Prices start from $1,017 USDSave up to $1,741 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
$1,017 USD