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Marquise|Lab Grown|IGI

4.06ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG850602223

Certificate IGI LG850602223

Diamond specifications and retailer prices

From $725 CAD
$518 USD
As of October 30, 2026
Save $2,200 CAD (75%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,925 CAD 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 3 retailers as of October 29, 2026, with prices from $725 to $2,925, a $2,200 spread on the same certified stone. Taylor and Hart lists it at $2,925. 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
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG850602223
Dimensions15.77 × 8.28 × 5.23 mm
L/W Ratio1.90
Top View
15.77 mm8.28 mm4.06 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850602223
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCuletDepth 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: $725 CAD|Low: $725 CAD|High: $2,925 CAD|Avg: $1,992 CAD
Retailer 1
Retailer 2
Taylor and Hart
October 30, 2026
Retailer 1$725 CAD
Retailer 2$1,394 CAD
Taylor and Hart$2,925 CAD

2 data points across 3 retailers

3 retailers$725 CAD to $2,925 CAD

A
Cheapest Retailer
-
$725 CAD
$518 USD
B+
Retailer 2
-
$1,394 CAD
£784 GBP
View
Most Expensive
B
Taylor and Hart
ILW12YG · Oct 29
$2,925 CAD
$2,090 USD
View
2 more retailers have this diamond
Prices start from $725 CADSave up to $2,200 CAD

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
$725 CAD