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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG487187869

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

Certificate IGI LG487187869

Diamond specifications and retailer prices

From HK$5,713 HKD
As of November 6, 2026
Save HK$14,429 HKD (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$20,142 HKD at Brilliant Earth · As of November 6, 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 LG487187869 or 487187869. Listed at 8 retailers as of November 6, 2026, with prices from HK$5,713 to HK$20,142, a HK$14,429 spread on the same certified stone. Brilliant Earth lists it at HK$20,142. 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 angle37.5°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487187869
Dimensions8.45 × 8.19 × 5.53 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.45 mm8.19 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487187869
Side View
Table 59.0%Crown 37.5°Girdle: MED-VTKPavilion 38.9°Culet: NoneDepth 67.5%

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: Nov 6
Current: HK$20,142 HKD|Low: HK$4,013 HKD|High: HK$22,258 HKD|Avg: HK$9,880 HKD|-9.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10HK$4,013 HKD
Retailer 4HK$5,839 HKD
Retailer 9HK$6,035 HKD
Retailer 6HK$6,286 HKD
Retailer 8HK$6,387 HKD
Retailer 5HK$6,811 HKD
Retailer 2HK$7,250 HKD
Retailer 3HK$16,427 HKD
Retailer 7HK$16,451 HKD
Brilliant EarthHK$20,142 HKD

30 data points across 10 retailers

8 retailersHK$5,713 HKD to HK$20,142 HKD

A
Cheapest Retailer
-
HK$5,713 HKD
Retailer 2
-
HK$5,839 HKD
View
Price last confirmed 15 days ago
Retailer 3
-
HK$6,286 HKD
View
Price last confirmed 17 days ago
Retailer 4
-
HK$7,250 HKD
View
Price last confirmed 15 days ago
Retailer 5
-
HK$15,455 HKD
View
Price last confirmed 17 days ago
Retailer 6
-
HK$16,427 HKD
View
Price last confirmed 17 days ago
Retailer 7
-
HK$16,451 HKD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
5500654B · Nov 6
HK$20,142 HKD
$2,570 USD
View
7 more retailers have this diamond
Prices start from HK$5,713 HKDSave up to HK$14,429 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$5,713 HKD