CaratHunter
Plans
Cushion|Lab Grown|IGI

2.03ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG508129976

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG508129976

Diamond specifications and retailer prices

From $559 NZD
As of November 6, 2026
Save $2,255 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,257 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.03ct lab-grown cushion diamond

This 2.03ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508129976 or 508129976. Listed at 14 retailers as of November 6, 2026, with a 403% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508129976
Dimensions7.39 × 7.22 × 4.95 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.39 mm7.22 mm2.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508129976
Side View
Table 60.5%Crown 36.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 68.6%

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: $2,814 NZD|Low: $559 NZD|High: $4,474 NZD|Avg: $1,456 NZD|-37.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3$559 NZD
Retailer 9$619 NZD
Retailer 10$830 NZD
Retailer 8$902 NZD
Retailer 5$1,081 NZD
Retailer 6$1,100 NZD
Retailer 11$1,127 NZD
Retailer 7$1,593 NZD
Retailer 4$2,170 NZD
Retailer 2$2,470 NZD
Brilliant Earth$2,814 NZD

44 data points across 11 retailers

14 retailers$559 NZD to $2,814 NZD

A
Cheapest Retailer
-
$559 NZD
Final sale: no returns
A
Retailer 2
-
$619 NZD
View
B+
Retailer 3
-
$830 NZD
View
A
Retailer 4
-
$902 NZD
View
A
Retailer 5
-
$1,081 NZD
View
A
Retailer 6
-
$1,100 NZD
View
A
Retailer 7
-
$1,127 NZD
View
A
Retailer 8
-
$1,149 NZD
View
B+
Retailer 9
-
$1,593 NZD
View
B+
Retailer 10
-
$2,082 NZD
View
B+
Retailer 11
-
$2,170 NZD
View
B
Retailer 12
-
$2,470 NZD
View
B
Retailer 13
-
$2,814 NZD
View
Most Expensive
Brilliant Earth
11157553A · Oct 29
$4,257 NZD
$2,360 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $559 NZDSave up to $2,255 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
2.03ct Cushion
$559 NZD