Cushion|Lab Grown|IGI

2.54ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG815677110

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

Certificate IGI LG815677110

Diamond specifications and retailer prices

From $1,225 USD
As of October 31, 2026
Save $4,165 USD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,390 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.54ct lab-grown cushion diamond

This 2.54ct 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 LG815677110 or 815677110. Listed at 16 retailers as of October 31, 2026, with prices from $1,225 to $5,390, a $4,165 spread on the same certified stone. Brilliant Earth lists it at $5,390. 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

2.54
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677110
Dimensions8.19 × 7.99 × 5.22 mm
L/W Ratio1.03
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
8.19 mm7.99 mm2.54 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677110
Side View
Table 61.0%Crown 37.4°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 65.3%

Caratlytics Score

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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 31
Current: $5,390 USD|Low: $1,225 USD|High: $6,300 USD|Avg: $3,225 USD|-14.4%
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
October 31, 2026
Retailer 3$1,225 USD
Retailer 7$1,367 USD
Retailer 11$1,415 USD
Retailer 10$1,823 USD
Retailer 5$2,019 USD
Retailer 9$2,020 USD
Retailer 15$2,695 USD
Retailer 2$3,012 USD
Retailer 12$3,273 USD
Retailer 8$3,307 USD
Retailer 16$3,674 USD
Retailer 14$4,046 USD
Retailer 13$4,326 USD
Retailer 4$4,435 USD
Retailer 6$4,990 USD
Brilliant Earth$5,390 USD

38 data points across 16 retailers

16 retailers$1,225 USD to $5,390 USD

A
Cheapest Retailer
-
$1,225 USD
Final sale: no returns
Retailer 2
-
$1,367 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$1,415 USD
View
A
Retailer 4
-
$1,823 USD
£1,436 GBP
View
A
Retailer 5
-
$2,019 USD
View
A
Retailer 6
-
$2,020 USD
€1,924 EUR
View
A
Retailer 7
-
$2,695 USD
View
A
Retailer 8
-
$3,012 USD
A$4,634 AUD
View
A
Retailer 9
-
$3,273 USD
ZAR 52,882 ZAR
View
Retailer 10
-
$3,307 USD
£2,604 GBP
View
Price last confirmed 20 days ago
B+
Retailer 11
-
$3,674 USD
View
B+
Retailer 12
-
$4,046 USD
View
B+
Retailer 13
-
$4,326 USD
£3,406 GBP
View
B+
Retailer 14
-
$4,435 USD
View
Retailer 15
-
$4,990 USD
View
Price last confirmed 13 days ago
Most Expensive
B+
Brilliant Earth
21017069A · Oct 31
$5,390 USD
View
15 more retailers have this diamond
Prices start from $1,225 USDSave up to $4,165 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
2.54ct Cushion
$1,225 USD