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Cushion|Lab Grown|IGI

2.58ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG653444056

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG653444056

Diamond specifications and retailer prices

From $833 NZD
$468 USD
As of October 28, 2026
Save $2,556 NZD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,390 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 2.58ct lab-grown cushion diamond

This 2.58ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG653444056 or 653444056. Listed at 5 retailers as of October 26, 2026, with prices from $833 to $3,390, a $2,556 spread on the same certified stone. MOH London lists it at $3,390. 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

2.58
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653444056
Dimensions9.53 × 7.24 × 4.98 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.53 mm7.24 mm2.58 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653444056
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 68.8%

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 28
Current: $3,390 NZD|Low: $595 NZD|High: $3,426 NZD|Avg: $1,901 NZD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$833 NZD
Retailer 2$1,158 NZD
Retailer 4$1,455 NZD
Retailer 3$1,460 NZD
Retailer 8$1,551 NZD
Retailer 6$2,162 NZD
Retailer 7$3,087 NZD
MOH London$3,390 NZD

17 data points across 8 retailers

5 retailers$833 NZD to $3,390 NZD

A
Cheapest Retailer
-
$833 NZD
$468 USD
Final sale: no returns
A
Retailer 2
-
$1,158 NZD
£512 GBP
View
B+
Retailer 3
-
$1,455 NZD
$817 USD
View
B+
Retailer 4
-
$1,460 NZD
$820 USD
View
Most Expensive
B
MOH London
LG653444056 · Oct 26
$3,390 NZD
£1,499 GBP
View
4 more retailers have this diamond
Prices start from $833 NZDSave up to $2,556 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
2.58ct Cushion
$833 NZD