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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 $1,306 NZD
€701 EUR
As of October 31, 2026
Save $1,937 NZD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,243 NZD 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 $1,306 to $3,243, a $1,937 spread on the same certified stone. MOH London lists it at $3,243. 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: $3,243 NZD|Low: $1,132 NZD|High: $3,328 NZD|Avg: $1,893 NZD|+1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$1,306 NZD
Retailer 5$1,317 NZD
Retailer 6$1,464 NZD
Retailer 7$1,469 NZD
Retailer 3$1,492 NZD
Retailer 2$3,061 NZD
MOH London$3,243 NZD

34 data points across 7 retailers

7 retailers$1,306 NZD to $3,243 NZD

A
Cheapest Retailer
-
$1,306 NZD
€701 EUR
B+
Retailer 2
-
$1,317 NZD
$742 USD
View
A
Retailer 3
-
$1,464 NZD
$825 USD
View
A
Retailer 4
-
$1,469 NZD
$828 USD
View
A
Retailer 5
-
$1,492 NZD
£662 GBP
View
B
Retailer 6
-
$3,061 NZD
$1,725 USD
View
Most Expensive
B
MOH London
LG733546153 · Oct 29
$3,243 NZD
£1,439 GBP
View
6 more retailers have this diamond
Prices start from $1,306 NZDSave up to $1,937 NZD

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
$1,306 NZD