CaratHunter
Plans
Cushion|Lab Grown|IGI

2.54ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG571382098

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG571382098

Diamond specifications and retailer prices

From $545 USD
As of October 30, 2026
Save $1,089 USD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,634 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.54ct lab-grown cushion diamond

This 2.54ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG571382098 or 571382098. Listed at 6 retailers as of October 29, 2026, with prices from $545 to $1,634, a $1,089 spread on the same certified stone. MOH London lists it at $1,634. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.54
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571382098
Dimensions7.75 × 7.70 × 5.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.75 mm7.70 mm2.54 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG571382098
Side View
Table 67.0%Crown 36.9°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 65.3%

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: $1,634 USD|Low: $545 USD|High: $1,676 USD|Avg: $1,004 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$545 USD
Retailer 8$650 USD
Retailer 5$704 USD
Retailer 2$719 USD
Retailer 3$834 USD
Retailer 6$1,348 USD
MOH London$1,634 USD
Retailer 7$1,676 USD

16 data points across 8 retailers

6 retailers$545 USD to $1,634 USD

B+
Cheapest Retailer
-
$545 USD
A
Retailer 2
-
$704 USD
View
A
Retailer 3
-
$719 USD
£566 GBP
View
B+
Retailer 4
-
$834 USD
View
B
Retailer 5
-
$1,348 USD
View
Most Expensive
B
MOH London
LG571382098 · Oct 29
$1,634 USD
£1,287 GBP
View
5 more retailers have this diamond
Prices start from $545 USDSave up to $1,089 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
$545 USD