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Cushion|Lab Grown|IGI

3.21ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG642498377

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG642498377

Diamond specifications and retailer prices

From HK$5,649 HKD
$720 USD
As of October 29, 2026
Save HK$20,634 HKD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$26,283 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.21ct lab-grown cushion diamond

This 3.21ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG642498377 or 642498377. Listed at 13 retailers as of October 29, 2026, with prices from HK$5,649 to HK$26,283, a HK$20,634 spread on the same certified stone. Brilliant Earth lists it at HK$26,283. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.21
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642498377
Dimensions8.63 × 8.51 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.63 mm8.51 mm3.21 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642498377
Side View
Table 63.0%Crown 35.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 66.6%

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 29
Current: HK$26,283 HKD|Low: HK$4,205 HKD|High: HK$28,323 HKD|Avg: HK$11,846 HKD|-6.9%
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 30, 2026
Retailer 10HK$4,880 HKD
Retailer 12HK$5,649 HKD
Retailer 11HK$5,870 HKD
Retailer 7HK$6,772 HKD
Retailer 4HK$7,579 HKD
Retailer 13HK$7,744 HKD
Retailer 2HK$8,123 HKD
Retailer 14HK$10,403 HKD
Retailer 6HK$11,359 HKD
Retailer 3HK$15,892 HKD
Retailer 5HK$18,100 HKD
Retailer 9HK$19,732 HKD
Retailer 8HK$20,486 HKD
Brilliant EarthHK$26,283 HKD

37 data points across 14 retailers

13 retailersHK$5,649 HKD to HK$26,283 HKD

Retailer 1
-
HK$4,880 HKD
$622 USD
Price last confirmed 13 days ago
A
Retailer 2
-
HK$5,649 HKD
$720 USD
View
Retailer 3
-
HK$5,870 HKD
£589 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
HK$6,772 HKD
€822 EUR
View
A
Retailer 5
-
HK$7,579 HKD
$966 USD
View
A
Retailer 6
-
HK$7,744 HKD
$987 USD
View
A
Retailer 7
-
HK$8,123 HKD
£815 GBP
View
A
Retailer 8
-
HK$10,403 HKD
$1,326 USD
View
Retailer 9
-
HK$15,892 HKD
$2,026 USD
View
Price last confirmed 12 days ago
B
Retailer 10
-
HK$18,100 HKD
$2,307 USD
View
Retailer 11
-
HK$19,732 HKD
$2,515 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
HK$20,486 HKD
£2,056 GBP
View
Most Expensive
B
Brilliant Earth
10926816A · Oct 29
HK$26,283 HKD
$3,350 USD
View
12 more retailers have this diamond
Prices start from HK$5,649 HKDSave up to HK$20,634 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
3.21ct Cushion
HK$5,649 HKD