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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG840657033

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840657033

Diamond specifications and retailer prices

From $680 NZD
As of November 6, 2026
Save $3,956 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,636 NZD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct lab-grown cushion 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 LG840657033 or 840657033. Listed at 11 retailers as of November 6, 2026, with prices from $680 to $4,636, a $3,956 spread on the same certified stone. Brilliant Earth lists it at $4,636. 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

3.01
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840657033
Dimensions10.02 × 7.23 × 4.66 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.02 mm7.23 mm3.01 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840657033
Side View
Table 60.0%Crown 35.3°Girdle: MED-THKPavilion 29.9°Culet: NoneDepth 64.5%

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: Nov 6
Current: $1,164 NZD|Low: $680 NZD|High: $3,572 NZD|Avg: $1,479 NZD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$680 NZD
Retailer 9$830 NZD
Retailer 3$916 NZD
Retailer 5$1,145 NZD
Retailer 1$1,164 NZD
Retailer 7$1,218 NZD
Retailer 4$1,337 NZD
Retailer 2$1,775 NZD
Retailer 8$1,887 NZD
Retailer 10$3,536 NZD

31 data points across 10 retailers

11 retailers$680 NZD to $4,636 NZD

A
Cheapest Retailer
-
$680 NZD
Final sale: no returns
A
Retailer 2
-
$830 NZD
View
A
Retailer 3
-
$916 NZD
View
B+
Retailer 4
-
$1,145 NZD
View
A
Retailer 5
-
$1,164 NZD
View
B+
Retailer 6
-
$1,218 NZD
View
A
Retailer 7
-
$1,337 NZD
View
Retailer 8
-
$1,775 NZD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$1,887 NZD
View
Retailer 10
-
$3,536 NZD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21823075A · Nov 6
$4,636 NZD
$2,570 USD
View
10 more retailers have this diamond
Prices start from $680 NZDSave up to $3,956 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
3.01ct Cushion
$680 NZD