CaratHunter
Plans
Cushion|Lab Grown|IGI

2.54ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG834616674

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG834616674

Diamond specifications and retailer prices

From $365 USD
As of November 1, 2026
Save $1,234 USD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,634 USD at MOH London · As of October 19, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG834616674 or 834616674. Listed at 10 retailers as of November 1, 2026, with a 338% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834616674
Dimensions9.24 × 7.05 × 4.72 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.24 mm7.05 mm2.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG834616674
Side View
Table 55.0%Crown 33.1°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 67.0%

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: Nov 1
Current: $1,634 USD|Low: $365 USD|High: $1,645 USD|Avg: $910 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$365 USD
Retailer 5$406 USD
Retailer 2$497 USD
Retailer 4$615 USD
Retailer 6$657 USD
Retailer 3$719 USD
Retailer 9$968 USD
Retailer 10$1,348 USD
Retailer 7$1,599 USD
MOH London$1,634 USD

43 data points across 10 retailers

10 retailers$365 USD to $1,599 USD

A
Cheapest Retailer
-
$365 USD
Final sale: no returns
Retailer 2
-
$406 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$497 USD
£391 GBP
View
A
Retailer 4
-
$615 USD
View
B+
Retailer 5
-
$657 USD
View
A
Retailer 6
-
$719 USD
£566 GBP
View
B+
Retailer 7
-
$968 USD
View
B
Retailer 8
-
$1,348 USD
View
B
Retailer 9
-
$1,599 USD
View
Most Expensive
MOH London
LG834616674 · Oct 19
$1,634 USD
£1,287 GBP
View
Price last confirmed 13 days ago
9 more retailers have this diamond
Prices start from $365 USDSave up to $1,234 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
$365 USD