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Cushion|Lab Grown|IGI

2.54ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG831619289

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831619289

Diamond specifications and retailer prices

From $670 USD
As of November 2, 2026
Save $3,180 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,850 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 2.54ct lab-grown cushion diamond

This 2.54ct lab-grown cushion sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831619289 or 831619289. Listed at 9 retailers as of November 2, 2026, with prices from $670 to $3,850, a $3,180 spread on the same certified stone. Do Amore Diamonds lists it at $3,850. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831619289
Dimensions9.25 × 7.24 × 4.89 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.25 mm7.24 mm2.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831619289
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
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: Nov 2
Current: $3,850 USD|Low: $670 USD|High: $3,850 USD|Avg: $1,566 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$670 USD
Retailer 9$670 USD
Retailer 2$734 USD
Retailer 8$846 USD
Retailer 4$1,100 USD
Retailer 6$1,725 USD
Retailer 3$2,182 USD
Retailer 7$2,300 USD
Do Amore Diamonds$3,850 USD

24 data points across 9 retailers

9 retailers$670 USD to $3,850 USD

A
Cheapest Retailer
-
$670 USD
A
Retailer 2
-
$670 USD
View
A
Retailer 3
-
$734 USD
£578 GBP
View
A
Retailer 4
-
$846 USD
View
B+
Retailer 5
-
$1,100 USD
€1,048 EUR
View
B+
Retailer 6
-
$1,725 USD
View
B
Retailer 7
-
$2,182 USD
£1,718 GBP
View
B
Retailer 8
-
$2,300 USD
View
Most Expensive
B
Do Amore Diamonds
27-049B259AC · Nov 2
$3,850 USD
View
8 more retailers have this diamond
Prices start from $670 USDSave up to $3,180 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
$670 USD