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 $1,669 USD
As of October 30, 2026
Save $3,618 USD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,150 USD 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 30, 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,150 USD|Low: $1,540 USD|High: $6,150 USD|Avg: $3,395 USD
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 10$1,595 USD
Retailer 7$1,669 USD
Retailer 15$1,680 USD
Retailer 18$1,790 USD
Retailer 2$2,122 USD
Retailer 16$2,345 USD
Retailer 12$2,418 USD
Retailer 3$2,633 USD
Retailer 17$2,781 USD
Retailer 5$3,642 USD
Retailer 6$3,793 USD
Retailer 11$3,885 USD
Retailer 9$4,133 USD
Retailer 14$4,321 USD
Retailer 13$4,864 USD
Retailer 8$4,955 USD
Retailer 4$5,287 USD
Brilliant Earth$6,150 USD

33 data points across 18 retailers

19 retailers$1,669 USD to $5,287 USD

Retailer 1
-
$1,595 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$1,669 USD
View
Final sale: no returns
A
Retailer 3
-
$1,680 USD
View
A
Retailer 4
-
$1,790 USD
View
A
Retailer 5
-
$2,122 USD
£1,671 GBP
View
A
Retailer 6
-
$2,345 USD
View
A
Retailer 7
-
$2,418 USD
€2,303 EUR
View
A
Retailer 8
-
$2,633 USD
View
A
Retailer 9
-
$2,781 USD
View
B+
Retailer 10
-
$3,642 USD
£2,868 GBP
View
Retailer 11
-
$3,793 USD
A$5,835 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$3,885 USD
ZAR 62,762 ZAR
View
Retailer 13
-
$4,133 USD
A$6,358 AUD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
$4,140 USD
View
B+
Retailer 15
-
$4,321 USD
View
B+
Retailer 16
-
$4,864 USD
£3,830 GBP
View
Retailer 17
-
$4,955 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$5,287 USD
View
Most Expensive
Brilliant Earth
15598762A · Oct 21
$6,150 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from $1,669 USDSave up to $3,618 USD

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
$1,669 USD