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Cushion|Lab Grown|IGI

3.03ct E IF Cushion Lab Grown Diamond

GD • E/IF • IGI LG818640129

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG818640129

Diamond specifications and retailer prices

From $2,654 AUD
$1,864 USD
As of October 29, 2026
Save $11,568 AUD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,222 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG818640129 or 818640129. Listed at 22 retailers as of October 29, 2026, with prices from $2,654 to $14,222, a $11,568 spread on the same certified stone. Brilliant Earth lists it at $14,222. 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

3.03
Carat
E
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640129
Dimensions10.24 × 7.88 × 4.87 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeLarge
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
10.24 mm7.88 mm3.03 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640129
Side View
Table 61.0%Crown 36°Girdle: STK-THKPavilion 39.9°Culet: LargeDepth 61.8%

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 29
Current: $14,222 AUD|Low: $2,654 AUD|High: $14,222 AUD|Avg: $6,233 AUD|+21.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
October 30, 2026
Retailer 22$2,654 AUD
Retailer 18$2,887 AUD
Retailer 2$2,972 AUD
Retailer 8$3,078 AUD
Retailer 21$3,078 AUD
Retailer 4$3,317 AUD
Retailer 5$3,553 AUD
Retailer 13$4,232 AUD
Retailer 6$4,402 AUD
Retailer 10$4,605 AUD
Retailer 3$4,722 AUD
Retailer 16$4,813 AUD
Retailer 20$5,770 AUD
Retailer 14$6,379 AUD
Retailer 19$6,963 AUD
Retailer 9$8,294 AUD
Retailer 17$8,839 AUD
Retailer 7$9,259 AUD
Retailer 12$10,284 AUD
Retailer 11$10,784 AUD
Retailer 15$10,983 AUD
Brilliant Earth$14,222 AUD

35 data points across 22 retailers

22 retailers$2,654 AUD to $14,222 AUD

A
Cheapest Retailer
-
$2,654 AUD
$1,864 USD
A
Retailer 2
-
$2,887 AUD
$2,028 USD
View
A
Retailer 3
-
$2,972 AUD
$2,088 USD
View
Final sale: no returns
Retailer 4
-
$3,078 AUD
$2,162 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$3,078 AUD
$2,162 USD
View
A
Retailer 6
-
$3,317 AUD
$2,330 USD
View
A
Retailer 7
-
$3,553 AUD
HK$19,500 HKD
View
A
Retailer 8
-
$4,232 AUD
£2,341 GBP
View
A
Retailer 9
-
$4,402 AUD
$3,092 USD
View
B+
Retailer 10
-
$4,605 AUD
$3,235 USD
View
B+
Retailer 11
-
$4,722 AUD
$3,317 USD
View
A
Retailer 12
-
$4,813 AUD
€3,220 EUR
View
B+
Retailer 13
-
$5,770 AUD
$4,053 USD
View
B+
Retailer 14
-
$6,379 AUD
£3,528 GBP
View
Retailer 15
-
$6,963 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$8,294 AUD
$5,826 USD
View
B
Retailer 17
-
$8,839 AUD
£4,889 GBP
View
B
Retailer 18
-
$9,259 AUD
$6,504 USD
View
B
Retailer 19
-
$10,284 AUD
SGD 9,762 SGD
View
B
Retailer 20
-
$10,784 AUD
$7,575 USD
View
Retailer 21
-
$10,983 AUD
View
Price last confirmed 22 days ago
Most Expensive
C
Brilliant Earth
21191487A · Oct 30
$14,222 AUD
$9,990 USD
View
21 more retailers have this diamond
Prices start from $2,654 AUDSave up to $11,568 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
3.03ct Cushion
$2,654 AUD