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Cushion|Lab Grown|IGI

2.43ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG812627388

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG812627388

Diamond specifications and retailer prices

From $1,389 AUD
$976 USD
As of October 31, 2026
Save $4,547 AUD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,936 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.43ct lab-grown cushion diamond

This 2.43ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812627388 or 812627388. Listed at 19 retailers as of October 29, 2026, with prices from $1,389 to $5,936, a $4,547 spread on the same certified stone. Brilliant Earth lists it at $5,936. 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

2.43
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812627388
Dimensions9.72 × 6.73 × 4.55 mm
L/W Ratio1.44
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
9.72 mm6.73 mm2.43 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812627388
Side View
Table 60.0%Crown 33.2°Girdle: MED-THKPavilion 29.6°Culet: NoneDepth 67.6%

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: Oct 31
Current: $5,936 AUD|Low: $1,389 AUD|High: $6,919 AUD|Avg: $3,472 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 7$1,389 AUD
Retailer 4$1,439 AUD
Retailer 3$1,687 AUD
Retailer 5$1,818 AUD
Retailer 13$2,214 AUD
Retailer 2$2,290 AUD
Retailer 6$3,320 AUD
Retailer 11$3,417 AUD
Retailer 14$3,713 AUD
Retailer 10$3,970 AUD
Retailer 16$4,265 AUD
Retailer 17$4,442 AUD
Retailer 8$4,750 AUD
Retailer 9$4,994 AUD
Retailer 12$5,130 AUD
Retailer 18$5,233 AUD
Retailer 15$5,424 AUD
Brilliant Earth$5,936 AUD

41 data points across 18 retailers

19 retailers$1,389 AUD to $5,936 AUD

A
Cheapest Retailer
-
$1,389 AUD
$976 USD
Final sale: no returns
Retailer 2
-
$1,439 AUD
$1,011 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,687 AUD
$1,185 USD
View
A
Retailer 4
-
$1,818 AUD
$1,277 USD
View
A
Retailer 5
-
$2,214 AUD
£1,224 GBP
View
A
Retailer 6
-
$2,232 AUD
$1,568 USD
View
A
Retailer 7
-
$2,290 AUD
€1,532 EUR
View
A
Retailer 8
-
$3,320 AUD
$2,332 USD
View
A
Retailer 9
-
$3,417 AUD
View
A
Retailer 10
-
$3,713 AUD
ZAR 42,138 ZAR
View
B+
Retailer 11
-
$3,970 AUD
£2,196 GBP
View
A
Retailer 12
-
$4,265 AUD
$2,996 USD
View
Retailer 13
-
$4,442 AUD
$3,120 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$4,750 AUD
$3,337 USD
View
B+
Retailer 15
-
$4,994 AUD
$3,508 USD
View
B+
Retailer 16
-
$5,130 AUD
View
B+
Retailer 17
-
$5,233 AUD
SGD 4,967 SGD
View
B+
Retailer 18
-
$5,424 AUD
£3,000 GBP
View
Most Expensive
B+
Brilliant Earth
22183812A · Oct 29
$5,936 AUD
$4,170 USD
View
18 more retailers have this diamond
Prices start from $1,389 AUDSave up to $4,547 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
2.43ct Cushion
$1,389 AUD