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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 €367 EUR
HK$3,200 HKD
As of October 30, 2026
Save €1,383 EUR (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,750 EUR 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 12 retailers as of October 28, 2026, with prices from €367 to €1,750, a €1,383 spread on the same certified stone. Rare Carat lists it at €1,750. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,750 EUR|Low: €301 EUR|High: €3,240 EUR|Avg: €932 EUR|-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
October 31, 2026
Retailer 6€301 EUR
Retailer 5€367 EUR
Retailer 10€447 EUR
Retailer 9€519 EUR
Retailer 13€544 EUR
Retailer 11€589 EUR
Retailer 4€621 EUR
Retailer 3€830 EUR
Retailer 7€849 EUR
Retailer 14€965 EUR
Retailer 2€1,036 EUR
Retailer 12€1,339 EUR
Retailer 8€1,719 EUR
Rare Carat€1,750 EUR

43 data points across 14 retailers

12 retailers€367 EUR to €1,750 EUR

A
Cheapest Retailer
-
€367 EUR
HK$3,200 HKD
A
Retailer 2
-
€447 EUR
£393 GBP
View
A
Retailer 3
-
€519 EUR
View
B+
Retailer 4
-
€544 EUR
$608 USD
View
A
Retailer 5
-
€589 EUR
£518 GBP
View
A
Retailer 6
-
€621 EUR
$694 USD
View
A
Retailer 7
-
€830 EUR
$927 USD
View
B+
Retailer 8
-
€849 EUR
$949 USD
View
A
Retailer 9
-
€1,036 EUR
SGD 1,564 SGD
View
B+
Retailer 10
-
€1,339 EUR
£1,178 GBP
View
B
Retailer 11
-
€1,719 EUR
$1,920 USD
View
Most Expensive
B
Rare Carat
127754-C · Oct 28
€1,750 EUR
$1,955 USD
View
11 more retailers have this diamond
Prices start from €367 EURSave up to €1,383 EUR

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
€367 EUR