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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 HK$2,636 HKD
$336 USD
As of October 27, 2026
Save HK$25,768 HKD (91%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$28,404 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 13 retailers as of October 27, 2026, with prices from HK$2,636 to HK$28,404, a HK$25,768 spread on the same certified stone. Brilliant Earth lists it at HK$28,404. 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

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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 27
Current: HK$28,404 HKD|Low: HK$2,636 HKD|High: HK$28,404 HKD|Avg: HK$8,179 HKD
Brilliant Earth
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 29, 2026
Retailer 6HK$2,636 HKD
Retailer 5HK$3,214 HKD
Retailer 8HK$3,918 HKD
Retailer 2HK$4,548 HKD
Retailer 13HK$4,771 HKD
Retailer 9HK$5,159 HKD
Retailer 4HK$5,445 HKD
Retailer 3HK$7,274 HKD
Retailer 12HK$7,564 HKD
Retailer 14HK$8,456 HKD
Retailer 7HK$9,215 HKD
Retailer 10HK$11,739 HKD
Retailer 11HK$15,340 HKD
Brilliant EarthHK$28,404 HKD

42 data points across 14 retailers

13 retailersHK$2,636 HKD to HK$28,404 HKD

A
Cheapest Retailer
-
HK$2,636 HKD
$336 USD
Final sale: no returns
A
Retailer 2
-
HK$3,214 HKD
View
A
Retailer 3
-
HK$3,918 HKD
£393 GBP
View
A
Retailer 4
-
HK$4,548 HKD
€552 EUR
View
B+
Retailer 5
-
HK$4,771 HKD
$608 USD
View
A
Retailer 6
-
HK$5,159 HKD
£518 GBP
View
A
Retailer 7
-
HK$5,445 HKD
$694 USD
View
A
Retailer 8
-
HK$7,274 HKD
$927 USD
View
B+
Retailer 9
-
HK$7,564 HKD
$964 USD
View
B+
Retailer 10
-
HK$9,215 HKD
SGD 1,587 SGD
View
B+
Retailer 11
-
HK$11,739 HKD
£1,178 GBP
View
B+
Retailer 12
-
HK$15,340 HKD
$1,955 USD
View
Most Expensive
B
Brilliant Earth
16747395A · Oct 29
HK$28,404 HKD
$3,620 USD
View
12 more retailers have this diamond
Prices start from HK$2,636 HKDSave up to HK$25,768 HKD

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
HK$2,636 HKD