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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG754522117

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG754522117

Diamond specifications and retailer prices

From HK$3,974 HKD
As of November 6, 2026
Save HK$24,633 HKD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$28,607 HKD at Brilliant Earth · As of November 7, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct 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 LG754522117 or 754522117. Listed at 16 retailers as of November 6, 2026, with prices from HK$3,974 to HK$28,607, a HK$24,633 spread on the same certified stone. Brilliant Earth lists it at HK$28,607. 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

3.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754522117
Dimensions8.63 × 8.62 × 5.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.62 mm3.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754522117
Side View
Table 63.0%Crown 38.6°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: HK$28,607 HKD|Low: HK$3,629 HKD|High: HK$28,607 HKD|Avg: HK$10,157 HKD|+2.2%
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
Retailer 15
November 7, 2026
Retailer 11HK$3,974 HKD
Retailer 4HK$4,060 HKD
Retailer 9HK$5,212 HKD
Retailer 5HK$6,403 HKD
Retailer 3HK$6,419 HKD
Retailer 8HK$6,638 HKD
Retailer 10HK$7,101 HKD
Retailer 15HK$7,798 HKD
Retailer 13HK$10,400 HKD
Retailer 7HK$13,324 HKD
Retailer 2HK$14,107 HKD
Retailer 6HK$14,805 HKD
Retailer 12HK$14,883 HKD
Retailer 14HK$15,244 HKD
Brilliant EarthHK$28,607 HKD

43 data points across 15 retailers

16 retailersHK$3,974 HKD to HK$28,607 HKD

A
Cheapest Retailer
-
HK$3,974 HKD
Final sale: no returns
A
Retailer 2
-
HK$4,060 HKD
View
A
Retailer 3
-
HK$5,212 HKD
View
B+
Retailer 4
-
HK$6,403 HKD
View
A
Retailer 5
-
HK$6,419 HKD
View
A
Retailer 6
-
HK$6,638 HKD
View
A
Retailer 7
-
HK$7,101 HKD
View
A
Retailer 8
-
HK$7,798 HKD
View
B+
Retailer 9
-
HK$10,400 HKD
View
B+
Retailer 10
-
HK$13,324 HKD
View
B
Retailer 11
-
HK$14,107 HKD
View
B
Retailer 12
-
HK$14,805 HKD
View
B+
Retailer 13
-
HK$14,883 HKD
View
B
Retailer 14
-
HK$15,244 HKD
View
B
Retailer 15
-
HK$28,371 HKD
View
Most Expensive
B
Brilliant Earth
20624929A · Nov 7
HK$28,607 HKD
$3,650 USD
View
15 more retailers have this diamond
Prices start from HK$3,974 HKDSave up to HK$24,633 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
3.01ct Cushion
HK$3,974 HKD