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Cushion|Lab Grown|IGI

3.05ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG761539796

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG761539796

Diamond specifications and retailer prices

From $1,885 NZD
As of November 6, 2026
3 retailers carry this diamond
Most expensive: $3,702 NZD at Rare Carat · As of September 9, 2026
View at Rare Carat

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG761539796 or 761539796. Listed at 3 retailers as of November 6, 2026. 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

3.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761539796
Dimensions8.40 × 8.26 × 5.12 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.40 mm8.26 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761539796
Side View
Table 61.0%Crown 32.8°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 62.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $3,702 NZD|Low: $830 NZD|High: $4,834 NZD|Avg: $1,975 NZD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10$830 NZD
Retailer 6$1,010 NZD
Retailer 9$1,149 NZD
Retailer 7$1,286 NZD
Retailer 3$1,306 NZD
Retailer 4$1,809 NZD
Retailer 2$1,885 NZD
Retailer 8$1,937 NZD
Rare Carat$3,702 NZD
Retailer 5$4,834 NZD

4 data points across 10 retailers

3 retailers

Retailer 1
-
$830 NZD
Price last confirmed 63 days ago
B+
Retailer 2
-
$1,885 NZD
View
Most Expensive
Rare Carat
133665-C · Sep 9
$3,702 NZD
$2,052 USD
View
Price last confirmed 58 days ago
2 more retailers have this diamond
Prices start from $1,885 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.

B+
3.05ct Cushion
$1,885 NZD