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Cushion|Lab Grown|IGI

3.04ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG851607893

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG851607893

Diamond specifications and retailer prices

From $1,683 AUD
$1,182 USD
As of October 29, 2026
Save $9,507 AUD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,189 AUD at Brilliant Earth · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG851607893 or 851607893. Listed at 12 retailers as of October 29, 2026, with prices from $1,683 to $11,189, a $9,507 spread on the same certified stone. Brilliant Earth lists it at $11,189. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.04
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851607893
Dimensions8.49 × 8.37 × 4.91 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.49 mm8.37 mm3.04 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851607893
Side View
Table 57.0%Crown 31.5°Girdle: STK-THKPavilion 30.8°Culet: NoneDepth 58.7%

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: $11,189 AUD|Low: $1,683 AUD|High: $11,189 AUD|Avg: $3,395 AUD
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 30, 2026
Retailer 10$1,683 AUD
Retailer 2$1,925 AUD
Retailer 3$1,993 AUD
Retailer 4$2,023 AUD
Retailer 11$2,494 AUD
Retailer 5$2,525 AUD
Retailer 6$2,797 AUD
Retailer 7$4,048 AUD
Retailer 9$5,175 AUD
Retailer 12$5,846 AUD
Retailer 8$5,945 AUD
Brilliant Earth$11,189 AUD

5 data points across 12 retailers

12 retailers$1,683 AUD to $11,189 AUD

A
Cheapest Retailer
-
$1,683 AUD
$1,182 USD
Final sale: no returns
A
Retailer 2
-
$1,925 AUD
£1,065 GBP
View
A
Retailer 3
-
$1,993 AUD
$1,400 USD
View
A
Retailer 4
-
$2,023 AUD
HK$11,100 HKD
View
A
Retailer 5
-
$2,494 AUD
$1,752 USD
View
A
Retailer 6
-
$2,525 AUD
£1,396 GBP
View
A
Retailer 7
-
$2,797 AUD
€1,871 EUR
View
A
Retailer 8
-
$4,048 AUD
ZAR 45,941 ZAR
View
A
Retailer 9
-
$5,175 AUD
$3,635 USD
View
A
Retailer 10
-
$5,846 AUD
SGD 5,549 SGD
View
B+
Retailer 11
-
$5,945 AUD
£3,288 GBP
View
Most Expensive
B
Brilliant Earth
22315500A · Oct 30
$11,189 AUD
$7,860 USD
View
11 more retailers have this diamond
Prices start from $1,683 AUDSave up to $9,507 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
3.04ct Cushion
$1,683 AUD