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Cushion|Lab Grown|IGI

2.55ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG724553220

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG724553220

Diamond specifications and retailer prices

From $2,376 AUD
$1,669 USD
As of October 28, 2026
Save $5,150 AUD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,754 AUD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 2.55ct lab-grown cushion diamond

This 2.55ct 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 LG724553220 or 724553220. Listed at 19 retailers as of October 27, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.55
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724553220
Dimensions8.55 × 7.29 × 4.95 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.55 mm7.29 mm2.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724553220
Side View
Table 61.0%Crown 38.9°Girdle: STK-THKPavilion 35.9°Culet: NoneDepth 67.9%

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 28
Current: $8,754 AUD|Low: $2,192 AUD|High: $8,754 AUD|Avg: $4,846 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 29, 2026
Retailer 10$2,270 AUD
Retailer 7$2,376 AUD
Retailer 15$2,391 AUD
Retailer 18$2,548 AUD
Retailer 2$3,021 AUD
Retailer 16$3,338 AUD
Retailer 12$3,442 AUD
Retailer 3$3,748 AUD
Retailer 17$3,958 AUD
Retailer 5$5,185 AUD
Retailer 6$5,399 AUD
Retailer 11$5,530 AUD
Retailer 9$5,882 AUD
Retailer 14$6,151 AUD
Retailer 13$6,924 AUD
Retailer 8$7,053 AUD
Retailer 4$7,525 AUD
Brilliant Earth$8,754 AUD

32 data points across 18 retailers

19 retailers$2,376 AUD to $7,525 AUD

A
Retailer 1
-
$2,270 AUD
$1,595 USD
Price last confirmed 17 days ago
A
Retailer 2
-
$2,376 AUD
$1,669 USD
View
Final sale: no returns
A
Retailer 3
-
$2,391 AUD
$1,680 USD
View
A
Retailer 4
-
$2,548 AUD
$1,790 USD
View
A
Retailer 5
-
$3,021 AUD
£1,671 GBP
View
A
Retailer 6
-
$3,338 AUD
$2,345 USD
View
A
Retailer 7
-
$3,442 AUD
€2,303 EUR
View
A
Retailer 8
-
$3,748 AUD
$2,633 USD
View
A
Retailer 9
-
$3,958 AUD
$2,781 USD
View
B+
Retailer 10
-
$5,185 AUD
£2,868 GBP
View
B+
Retailer 11
-
$5,399 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$5,530 AUD
ZAR 62,762 ZAR
View
B+
Retailer 13
-
$5,882 AUD
View
Price last confirmed 21 days ago
B+
Retailer 14
-
$5,893 AUD
$4,140 USD
View
B+
Retailer 15
-
$6,151 AUD
$4,321 USD
View
B+
Retailer 16
-
$6,924 AUD
£3,830 GBP
View
B+
Retailer 17
-
$7,053 AUD
$4,955 USD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
$7,525 AUD
$5,287 USD
View
Most Expensive
B
Brilliant Earth
15598762A · Oct 21
$8,754 AUD
$6,150 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $2,376 AUDSave up to $5,150 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
2.55ct Cushion
$2,376 AUD