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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 $919 NZD
$518 USD
As of October 30, 2026
Save $2,789 NZD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,708 NZD at Taylor and Hart · As of October 31, 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 11 retailers as of October 30, 2026, with prices from $919 to $3,708, a $2,789 spread on the same certified stone. Taylor and Hart lists it at $3,708. 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: $952 NZD|Low: $919 NZD|High: $3,708 NZD|Avg: $1,916 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 1, 2026
Retailer 2$919 NZD
Retailer 1$952 NZD
Retailer 8$1,029 NZD
Retailer 5$1,141 NZD
Retailer 7$1,249 NZD
Retailer 4$1,384 NZD
Retailer 10$1,712 NZD
Retailer 3$1,752 NZD
Retailer 9$2,514 NZD
Retailer 6$2,999 NZD
Taylor and Hart$3,708 NZD

4 data points across 11 retailers

11 retailers$919 NZD to $3,708 NZD

A
Cheapest Retailer
-
$919 NZD
$518 USD
A
Retailer 2
-
$952 NZD
£422 GBP
View
A
Retailer 3
-
$1,029 NZD
$580 USD
View
Final sale: no returns
A
Retailer 4
-
$1,141 NZD
$643 USD
View
A
Retailer 5
-
$1,249 NZD
HK$5,500 HKD
View
A
Retailer 6
-
$1,384 NZD
$780 USD
View
A
Retailer 7
-
$1,712 NZD
$965 USD
View
A
Retailer 8
-
$1,752 NZD
£778 GBP
View
B+
Retailer 9
-
$2,514 NZD
$1,417 USD
View
B+
Retailer 10
-
$2,999 NZD
$1,690 USD
View
Most Expensive
B
Taylor and Hart
ILW12YG · Oct 31
$3,708 NZD
$2,090 USD
View
10 more retailers have this diamond
Prices start from $919 NZDSave up to $2,789 NZD

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
$919 NZD