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Cushion|Lab Grown|IGI

3.06ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG677570466

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG677570466

Diamond specifications and retailer prices

From $780 AUD
$548 USD
As of October 30, 2026
Save $1,545 AUD (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,325 AUD at MOH London · As of October 26, 2026
View at MOH London

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 LG677570466 or 677570466. Listed at 6 retailers as of October 26, 2026, with prices from $780 to $2,325, a $1,545 spread on the same certified stone. MOH London lists it at $2,325. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677570466
Dimensions10.44 × 7.10 × 4.84 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.44 mm7.10 mm3.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677570466
Side View
Table 59.0%Crown 36.5°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 68.2%

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: Oct 30
Current: $2,325 AUD|Low: $780 AUD|High: $2,334 AUD|Avg: $1,318 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$780 AUD
Retailer 7$1,023 AUD
Retailer 5$1,034 AUD
Retailer 2$1,034 AUD
Retailer 8$1,046 AUD
Retailer 3$1,414 AUD
Retailer 6$1,926 AUD
MOH London$2,325 AUD

14 data points across 8 retailers

6 retailers$780 AUD to $2,325 AUD

B+
Cheapest Retailer
-
$780 AUD
$548 USD
A
Retailer 2
-
$1,034 AUD
$726 USD
View
A
Retailer 3
-
$1,034 AUD
£572 GBP
View
A
Retailer 4
-
$1,414 AUD
$993 USD
View
B+
Retailer 5
-
$1,926 AUD
$1,353 USD
View
Most Expensive
B
MOH London
LG677570466 · Oct 26
$2,325 AUD
£1,286 GBP
View
5 more retailers have this diamond
Prices start from $780 AUDSave up to $1,545 AUD

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
$780 AUD