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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 $548 USD
As of October 30, 2026
Save $1,085 USD (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,633 USD 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 $548 to $1,633, a $1,085 spread on the same certified stone. MOH London lists it at $1,633. 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
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: $1,633 USD|Low: $548 USD|High: $1,640 USD|Avg: $926 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$548 USD
Retailer 7$719 USD
Retailer 5$726 USD
Retailer 2$727 USD
Retailer 8$735 USD
Retailer 3$993 USD
Retailer 6$1,353 USD
MOH London$1,633 USD

14 data points across 8 retailers

6 retailers$548 USD to $1,633 USD

B+
Cheapest Retailer
-
$548 USD
A
Retailer 2
-
$726 USD
View
A
Retailer 3
-
$727 USD
£572 GBP
View
A
Retailer 4
-
$993 USD
View
B+
Retailer 5
-
$1,353 USD
View
Most Expensive
B
MOH London
LG677570466 · Oct 26
$1,633 USD
£1,286 GBP
View
5 more retailers have this diamond
Prices start from $548 USDSave up to $1,085 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
$548 USD