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Cushion|Lab Grown|IGI

3.08ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG828648369

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG828648369

Diamond specifications and retailer prices

From $902 NZD
As of November 6, 2026
Save $4,329 NZD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,231 NZD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.08ct lab-grown cushion diamond

This 3.08ct 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 LG828648369 or 828648369. Listed at 9 retailers as of November 6, 2026, with prices from $902 to $5,231, a $4,329 spread on the same certified stone. Brilliant Earth lists it at $5,231. 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

3.08
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828648369
Dimensions11.28 × 7.54 × 5.07 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm7.54 mm3.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828648369
Side View
Table 55.0%Crown 39.5°Girdle: MED-THKPavilion 42.5°Culet: LargeDepth 67.2%

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: $5,231 NZD|Low: $902 NZD|High: $8,316 NZD|Avg: $2,731 NZD|-37.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$902 NZD
Retailer 9$1,185 NZD
Retailer 4$1,254 NZD
Retailer 6$1,566 NZD
Retailer 2$1,634 NZD
Retailer 10$1,936 NZD
Retailer 7$3,168 NZD
Retailer 8$3,590 NZD
Retailer 3$3,667 NZD
Brilliant Earth$5,231 NZD

41 data points across 10 retailers

9 retailers$902 NZD to $5,231 NZD

A
Cheapest Retailer
-
$902 NZD
Final sale: no returns
Retailer 2
-
$1,185 NZD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$1,254 NZD
View
B+
Retailer 4
-
$1,566 NZD
View
A
Retailer 5
-
$1,634 NZD
View
B+
Retailer 6
-
$3,168 NZD
View
B
Retailer 7
-
$3,590 NZD
View
B
Retailer 8
-
$3,667 NZD
View
Most Expensive
B
Brilliant Earth
21584624A · Nov 6
$5,231 NZD
$2,900 USD
View
8 more retailers have this diamond
Prices start from $902 NZDSave up to $4,329 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
3.08ct Cushion
$902 NZD