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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 $1,301 SGD
£801 GBP
As of November 2, 2026
Save $2,227 SGD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,528 SGD 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 $1,301 to $3,528, a $2,227 spread on the same certified stone. MOH London lists it at $3,528. 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
Colour
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: $3,528 SGD|Low: $1,299 SGD|High: $3,533 SGD|Avg: $1,904 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$1,301 SGD
Retailer 3$1,307 SGD
Retailer 4$1,521 SGD
MOH London$3,528 SGD

9 data points across 4 retailers

4 retailers$1,301 SGD to $3,528 SGD

A
Cheapest Retailer
-
$1,301 SGD
£801 GBP
B+
Retailer 2
-
$1,307 SGD
$1,022 USD
View
B+
Retailer 3
-
$1,521 SGD
$1,189 USD
View
Most Expensive
B
MOH London
LG848680451 · Nov 1
$3,528 SGD
£2,172 GBP
View
3 more retailers have this diamond
Prices start from $1,301 SGDSave up to $2,227 SGD

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
$1,301 SGD