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Cushion|Lab Grown|IGI

3.04ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG647483488

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG647483488

Diamond specifications and retailer prices

From $1,182 NZD
As of November 5, 2026
Save $5,276 NZD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,458 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.04ct lab-grown cushion diamond

This 3.04ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG647483488 or 647483488. Listed at 8 retailers as of November 4, 2026, with prices from $1,182 to $6,458, a $5,276 spread on the same certified stone. Brilliant Earth lists it at $6,458. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.04
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647483488
Dimensions9.73 × 7.78 × 5.29 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm7.78 mm3.04 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647483488
Side View
Table 64.0%Crown 29.5°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 68.0%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $6,458 NZD|Low: $958 NZD|High: $6,981 NZD|Avg: $2,177 NZD|-7.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$958 NZD
Retailer 6$1,182 NZD
Retailer 7$1,254 NZD
Retailer 4$1,326 NZD
Retailer 2$1,387 NZD
Retailer 8$1,485 NZD
Retailer 9$1,782 NZD
Retailer 3$3,047 NZD
Brilliant Earth$6,458 NZD

39 data points across 9 retailers

8 retailers$1,182 NZD to $6,458 NZD

A
Cheapest Retailer
-
$1,182 NZD
B+
Retailer 2
-
$1,254 NZD
View
A
Retailer 3
-
$1,326 NZD
View
A
Retailer 4
-
$1,387 NZD
View
A
Retailer 5
-
$1,485 NZD
View
A
Retailer 6
-
$1,782 NZD
View
B+
Retailer 7
-
$3,047 NZD
View
Most Expensive
B
Brilliant Earth
11456151A · Nov 4
$6,458 NZD
$3,580 USD
View
7 more retailers have this diamond
Prices start from $1,182 NZDSave up to $5,276 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
3.04ct Cushion
$1,182 NZD