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Cushion|Lab Grown|IGI

2.54ct D SI2 Cushion Lab Grown Diamond

ID • D/SI2 • IGI LG12837118

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG12837118

Diamond specifications and retailer prices

From $1,021 AUD
$717 USD
As of October 30, 2026
Save $3,996 AUD (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,898 AUD at Do Amore Diamonds · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12837118 or 12837118. Listed at 8 retailers as of October 29, 2026, with a 392% 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
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12837118
Dimensions7.70 × 7.68 × 5.63 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
7.70 mm7.68 mm2.54 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12837118
Side View
Table 56.5%Crown 34°Girdle: MED-UNDPavilion 40.9°Culet: NoneDepth 73.3%

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: $8,898 AUD|Low: $1,021 AUD|High: $8,898 AUD|Avg: $3,386 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4$1,021 AUD
Retailer 5$1,711 AUD
Retailer 8$1,751 AUD
Retailer 9$1,882 AUD
Retailer 2$2,229 AUD
Retailer 7$3,430 AUD
Retailer 6$4,442 AUD
Retailer 3$5,017 AUD
Do Amore Diamonds$8,898 AUD

27 data points across 9 retailers

8 retailers$1,021 AUD to $5,017 AUD

A
Cheapest Retailer
-
$1,021 AUD
$717 USD
B+
Retailer 2
-
$1,711 AUD
$1,202 USD
View
B+
Retailer 3
-
$1,751 AUD
$1,230 USD
View
B
Retailer 4
-
$2,229 AUD
€1,491 EUR
View
B
Retailer 5
-
$3,430 AUD
CA$3,346 CAD
View
B
Retailer 6
-
$4,442 AUD
$3,120 USD
View
B
Retailer 7
-
$5,017 AUD
£2,775 GBP
View
Most Expensive
Do Amore Diamonds
32-LG12837118 · Oct 30
$8,898 AUD
$6,250 USD
View
Price under review
7 more retailers have this diamond
Prices start from $1,021 AUDSave up to $3,996 AUD

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
$1,021 AUD