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Marquise|Lab Grown|IGI

4.06ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG850602223

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850602223

Diamond specifications and retailer prices

From $662 SGD
$518 USD
As of October 30, 2026
Save $2,010 SGD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,672 SGD at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 4.06ct lab-grown marquise diamond

This 4.06ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG850602223 or 850602223. Listed at 5 retailers as of October 29, 2026, with prices from $662 to $2,672, a $2,010 spread on the same certified stone. Taylor and Hart lists it at $2,672. 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

4.06
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850602223
Dimensions15.77 × 8.28 × 5.23 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.77 mm8.28 mm4.06 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850602223
Side View
Table 57.0%Crown 37.8°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,263 SGD|Low: $662 SGD|High: $2,672 SGD|Avg: $1,615 SGD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 31, 2026
Retailer 4$662 SGD
Retailer 3$1,234 SGD
Retailer 1$1,263 SGD
Retailer 2$1,811 SGD
Taylor and Hart$2,672 SGD

3 data points across 5 retailers

5 retailers$662 SGD to $2,672 SGD

A
Cheapest Retailer
-
$662 SGD
$518 USD
B+
Retailer 2
-
$1,234 SGD
$965 USD
View
A
Retailer 3
-
$1,263 SGD
£778 GBP
View
B+
Retailer 4
-
$1,811 SGD
$1,417 USD
View
Most Expensive
B
Taylor and Hart
ILW12YG · Oct 29
$2,672 SGD
$2,090 USD
View
4 more retailers have this diamond
Prices start from $662 SGDSave up to $2,010 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
4.06ct Marquise
$662 SGD