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Cushion|Lab Grown|IGI

3.06ct E SI2 Cushion Lab Grown Diamond

ID • E/SI2 • IGI LG743506423

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG743506423

Diamond specifications and retailer prices

From $588 NZD
As of November 6, 2026
Save $2,875 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,527 NZD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG743506423 or 743506423. Listed at 13 retailers as of November 6, 2026, with a 489% 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

3.06
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743506423
Dimensions9.73 × 7.27 × 4.88 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm7.27 mm3.06 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743506423
Side View
Table 63.0%Crown 34.7°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 67.1%

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: Nov 6
Current: $3,527 NZD|Low: $588 NZD|High: $6,530 NZD|Avg: $1,876 NZD|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 10$588 NZD
Retailer 14$714 NZD
Retailer 7$864 NZD
Retailer 2$1,019 NZD
Retailer 11$1,070 NZD
Retailer 8$1,138 NZD
Retailer 6$1,252 NZD
Retailer 13$1,665 NZD
Retailer 12$1,683 NZD
Retailer 5$1,943 NZD
Retailer 3$2,087 NZD
Retailer 9$2,603 NZD
Retailer 4$3,463 NZD
Rare Carat$3,527 NZD

40 data points across 14 retailers

13 retailers$588 NZD to $3,463 NZD

A
Cheapest Retailer
-
$588 NZD
Final sale: no returns
A
Retailer 2
-
$714 NZD
View
A
Retailer 3
-
$864 NZD
View
A
Retailer 4
-
$1,019 NZD
View
B+
Retailer 5
-
$1,070 NZD
View
A
Retailer 6
-
$1,138 NZD
View
Retailer 7
-
$1,252 NZD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$1,665 NZD
View
A
Retailer 9
-
$1,683 NZD
View
B+
Retailer 10
-
$2,087 NZD
View
B+
Retailer 11
-
$2,603 NZD
View
B
Retailer 12
-
$3,463 NZD
View
Most Expensive
Rare Carat
127754-C · Oct 28
$3,527 NZD
$1,955 USD
View
Price last confirmed 9 days ago
12 more retailers have this diamond
Prices start from $588 NZDSave up to $2,875 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
3.06ct Cushion
$588 NZD