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Cushion|Lab Grown|IGI

3.06ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG790680025

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG790680025

Diamond specifications and retailer prices

From $971 USD
As of October 30, 2026
Save $81 USD (8%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,052 USD at Adiamor · As of October 29, 2026
View at Adiamor

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG790680025 or 790680025. Listed at 4 retailers as of October 29, 2026, with a relatively tight 8% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790680025
Dimensions10.87 × 7.41 × 5.03 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.87 mm7.41 mm3.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790680025
Side View
Table 40.0%Crown 33.2°Girdle: STK-THKPavilion 38°Culet: LargeDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,052 USD|Low: $971 USD|High: $1,479 USD|Avg: $1,140 USD|-8.5%
Adiamor
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4$971 USD
Retailer 3$983 USD
Retailer 2$1,039 USD
Adiamor$1,052 USD

34 data points across 4 retailers

4 retailers$971 USD to $1,052 USD

A
Cheapest Retailer
-
$971 USD
A
Retailer 2
-
$983 USD
View
B+
Retailer 3
-
$1,039 USD
£818 GBP
View
Most Expensive
B+
Adiamor
D-80367797 · Oct 29
$1,052 USD
View
3 more retailers have this diamond
Prices start from $971 USDSave up to $81 USD

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
$971 USD