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Cushion|Lab Grown|IGI

2.50ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG733546153

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG733546153

Diamond specifications and retailer prices

From $1,048 AUD
€701 EUR
As of October 31, 2026
Save $1,554 AUD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,602 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct lab-grown cushion diamond

This 2.5ct 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 LG733546153 or 733546153. Listed at 7 retailers as of October 29, 2026, with prices from $1,048 to $2,602, a $1,554 spread on the same certified stone. MOH London lists it at $2,602. 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

2.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733546153
Dimensions9.25 × 6.98 × 4.67 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.25 mm6.98 mm2.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733546153
Side View
Table 64.0%Crown 36.7°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 66.9%

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: Oct 31
Current: $2,602 AUD|Low: $908 AUD|High: $2,671 AUD|Avg: $1,518 AUD|+1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$1,048 AUD
Retailer 5$1,056 AUD
Retailer 6$1,174 AUD
Retailer 7$1,179 AUD
Retailer 3$1,197 AUD
Retailer 2$2,456 AUD
MOH London$2,602 AUD

34 data points across 7 retailers

7 retailers$1,048 AUD to $2,602 AUD

A
Cheapest Retailer
-
$1,048 AUD
€701 EUR
B+
Retailer 2
-
$1,056 AUD
$742 USD
View
A
Retailer 3
-
$1,174 AUD
$825 USD
View
A
Retailer 4
-
$1,179 AUD
$828 USD
View
A
Retailer 5
-
$1,197 AUD
£662 GBP
View
B
Retailer 6
-
$2,456 AUD
$1,725 USD
View
Most Expensive
B
MOH London
LG733546153 · Oct 29
$2,602 AUD
£1,439 GBP
View
6 more retailers have this diamond
Prices start from $1,048 AUDSave up to $1,554 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
2.50ct Cushion
$1,048 AUD