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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 $441 AUD
$310 USD
As of October 31, 2026
Save $2,918 AUD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,360 AUD 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 12 retailers as of October 29, 2026, with prices from $441 to $3,360, a $2,918 spread on the same certified stone. Brilliant Earth lists it at $3,360. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,360 AUD|Low: $315 AUD|High: $3,531 AUD|Avg: $1,197 AUD|-4.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 12$441 AUD
Retailer 9$488 AUD
Retailer 10$655 AUD
Retailer 7$712 AUD
Retailer 2$861 AUD
Retailer 5$874 AUD
Retailer 11$890 AUD
Retailer 3$907 AUD
Retailer 8$1,243 AUD
Retailer 4$1,644 AUD
Retailer 6$1,971 AUD
Brilliant Earth$3,360 AUD

44 data points across 12 retailers

12 retailers$441 AUD to $3,360 AUD

A
Cheapest Retailer
-
$441 AUD
$310 USD
Final sale: no returns
A
Retailer 2
-
$488 AUD
$343 USD
View
B+
Retailer 3
-
$655 AUD
$460 USD
View
A
Retailer 4
-
$712 AUD
$500 USD
View
A
Retailer 5
-
$861 AUD
£476 GBP
View
A
Retailer 6
-
$874 AUD
€585 EUR
View
A
Retailer 7
-
$890 AUD
$625 USD
View
A
Retailer 8
-
$907 AUD
$637 USD
View
B+
Retailer 9
-
$1,243 AUD
$873 USD
View
B
Retailer 10
-
$1,644 AUD
$1,155 USD
View
B
Retailer 11
-
$1,971 AUD
£1,090 GBP
View
Most Expensive
B
Brilliant Earth
11157553A · Oct 29
$3,360 AUD
$2,360 USD
View
11 more retailers have this diamond
Prices start from $441 AUDSave up to $2,918 AUD

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
$441 AUD