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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG628494271

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG628494271

Diamond specifications and retailer prices

From HK$5,525 HKD
As of November 5, 2026
Save HK$22,297 HKD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$27,823 HKD at Brilliant Earth · As of November 4, 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 LG628494271 or 628494271. Listed at 11 retailers as of November 4, 2026, with prices from HK$5,525 to HK$27,823, a HK$22,297 spread on the same certified stone. Brilliant Earth lists it at HK$27,823. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628494271
Dimensions8.47 × 8.25 × 5.50 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.47 mm8.25 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628494271
Side View
Table 63.0%Crown 36.4°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 66.7%

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: Nov 5
Current: HK$27,823 HKD|Low: HK$3,927 HKD|High: HK$30,017 HKD|Avg: HK$10,514 HKD|-7.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 9HK$3,927 HKD
Retailer 8HK$4,828 HKD
Retailer 10HK$5,525 HKD
Retailer 6HK$5,706 HKD
Retailer 3HK$6,215 HKD
Retailer 2HK$6,395 HKD
Retailer 11HK$6,881 HKD
Retailer 12HK$7,767 HKD
Retailer 5HK$15,306 HKD
Retailer 7HK$15,361 HKD
Retailer 4HK$18,582 HKD
Brilliant EarthHK$27,823 HKD

38 data points across 12 retailers

11 retailersHK$5,525 HKD to HK$27,823 HKD

Retailer 1
-
HK$3,927 HKD
Price last confirmed 13 days ago
A
Retailer 2
-
HK$5,525 HKD
View
A
Retailer 3
-
HK$5,706 HKD
View
B+
Retailer 4
-
HK$6,215 HKD
View
A
Retailer 5
-
HK$6,395 HKD
View
A
Retailer 6
-
HK$6,881 HKD
View
A
Retailer 7
-
HK$7,767 HKD
View
B
Retailer 8
-
HK$15,306 HKD
View
B
Retailer 9
-
HK$15,361 HKD
View
Retailer 10
-
HK$18,582 HKD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
9869611A · Nov 4
HK$27,823 HKD
$3,550 USD
View
10 more retailers have this diamond
Prices start from HK$5,525 HKDSave up to HK$22,297 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$5,525 HKD