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Marquise|Lab Grown|IGI

4.02ct E SI1 Marquise Lab Grown Diamond

GD • E/SI1 • IGI LG841640064

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841640064

Diamond specifications and retailer prices

From $742 USD
HK$5,800 HKD
As of October 29, 2026
Save $2,308 USD (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,050 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.02ct lab-grown marquise diamond

This 4.02ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG841640064 or 841640064. Listed at 8 retailers as of October 28, 2026, with prices from $742 to $3,050, a $2,308 spread on the same certified stone. Rare Carat lists it at $3,050. 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

4.02
Carat
E
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841640064
Dimensions16.15 × 8.33 × 5.17 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.15 mm8.33 mm4.02 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841640064
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.1%

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 29
Current: $3,050 USD|Low: $742 USD|High: $3,085 USD|Avg: $1,554 USD|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4$742 USD
Retailer 8$996 USD
Retailer 3$1,025 USD
Retailer 7$1,033 USD
Retailer 2$1,037 USD
Retailer 6$1,400 USD
Retailer 5$2,803 USD
Rare Carat$3,050 USD

14 data points across 8 retailers

8 retailers$742 USD to $3,050 USD

A
Cheapest Retailer
-
$742 USD
HK$5,800 HKD
B+
Retailer 2
-
$996 USD
View
A
Retailer 3
-
$1,025 USD
€976 EUR
View
B
Retailer 4
-
$1,033 USD
View
B+
Retailer 5
-
$1,037 USD
£817 GBP
View
B
Retailer 6
-
$1,400 USD
View
C
Retailer 7
-
$2,803 USD
£2,207 GBP
View
Most Expensive
C
Rare Carat
KI0646400KF841 · Oct 28
$3,050 USD
View
7 more retailers have this diamond
Prices start from $742 USDSave up to $2,308 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
4.02ct Marquise
$742 USD