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 €327 EUR
$365 USD
As of October 31, 2026
Save €1,105 EUR (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,463 EUR 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 October 31, 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

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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: €1,463 EUR|Low: €327 EUR|High: €1,472 EUR|Avg: €815 EUR|+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€327 EUR
Retailer 5€363 EUR
Retailer 2€445 EUR
Retailer 4€550 EUR
Retailer 6€588 EUR
Retailer 3€644 EUR
Retailer 9€866 EUR
Retailer 10€1,207 EUR
Retailer 7€1,431 EUR
MOH London€1,463 EUR

43 data points across 10 retailers

10 retailers€327 EUR to €1,431 EUR

A
Cheapest Retailer
-
€327 EUR
$365 USD
Final sale: no returns
A
Retailer 2
-
€363 EUR
$406 USD
View
A
Retailer 3
-
€445 EUR
£391 GBP
View
A
Retailer 4
-
€550 EUR
$615 USD
View
B+
Retailer 5
-
€588 EUR
$657 USD
View
A
Retailer 6
-
€644 EUR
£566 GBP
View
B+
Retailer 7
-
€866 EUR
$968 USD
View
B
Retailer 8
-
€1,207 EUR
$1,348 USD
View
B
Retailer 9
-
€1,431 EUR
$1,599 USD
View
Most Expensive
MOH London
LG834616674 · Oct 19
€1,463 EUR
£1,287 GBP
View
Price last confirmed 13 days ago
9 more retailers have this diamond
Prices start from €327 EURSave up to €1,105 EUR

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
€327 EUR