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Cushion|Lab Grown|IGI

1.21ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG828628305

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

Certificate IGI LG828628305

Diamond specifications and retailer prices

From HK$1,679 HKD
As of November 4, 2026
Save HK$8,991 HKD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$10,670 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828628305 or 828628305. Listed at 16 retailers as of November 4, 2026, with prices from HK$1,679 to HK$10,670, a HK$8,991 spread on the same certified stone. Brilliant Earth lists it at HK$10,670. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828628305
Dimensions6.13 × 6.12 × 4.16 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.13 mm6.12 mm1.21 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828628305
Side View
Table 61.0%Crown 36.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 68.0%

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 4
Current: HK$10,670 HKD|Low: HK$1,012 HKD|High: HK$10,670 HKD|Avg: HK$4,407 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
Retailer 15
Retailer 16
November 5, 2026
Retailer 8HK$1,012 HKD
Retailer 10HK$1,679 HKD
Retailer 7HK$1,930 HKD
Retailer 9HK$2,283 HKD
Retailer 5HK$3,130 HKD
Retailer 13HK$3,225 HKD
Retailer 16HK$3,272 HKD
Retailer 2HK$3,350 HKD
Retailer 14HK$3,703 HKD
Retailer 15HK$4,386 HKD
Retailer 12HK$4,558 HKD
Retailer 11HK$4,943 HKD
Retailer 4HK$6,434 HKD
Retailer 6HK$9,015 HKD
Retailer 3HK$9,172 HKD
Brilliant EarthHK$10,670 HKD

21 data points across 16 retailers

16 retailersHK$1,679 HKD to HK$10,670 HKD

A
Cheapest Retailer
-
HK$1,679 HKD
Final sale: no returns
Retailer 2
-
HK$1,930 HKD
View
Price last confirmed 11 days ago
A
Retailer 3
-
HK$2,283 HKD
View
A
Retailer 4
-
HK$3,130 HKD
View
A
Retailer 5
-
HK$3,225 HKD
View
A
Retailer 6
-
HK$3,272 HKD
View
A
Retailer 7
-
HK$3,350 HKD
View
A
Retailer 8
-
HK$3,703 HKD
View
A
Retailer 9
-
HK$4,386 HKD
View
B+
Retailer 10
-
HK$4,558 HKD
View
B+
Retailer 11
-
HK$4,943 HKD
View
B+
Retailer 12
-
HK$5,649 HKD
View
B+
Retailer 13
-
HK$6,434 HKD
View
Retailer 14
-
HK$9,015 HKD
View
Price last confirmed 10 days ago
B
Retailer 15
-
HK$9,172 HKD
View
Most Expensive
B
Brilliant Earth
22335332A · Nov 4
HK$10,670 HKD
$1,360 USD
View
15 more retailers have this diamond
Prices start from HK$1,679 HKDSave up to HK$8,991 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
1.21ct Cushion
HK$1,679 HKD