CaratHunter
Plans
Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG828685827

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

Certificate IGI LG828685827

Diamond specifications and retailer prices

From HK$1,881 HKD
As of November 6, 2026
Save HK$7,146 HKD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,027 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828685827 or 828685827. Listed at 15 retailers as of November 6, 2026, with prices from HK$1,881 to HK$9,027, a HK$7,146 spread on the same certified stone. Reve Diamonds lists it at HK$9,027. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828685827
Dimensions6.30 × 6.19 × 4.06 mm
L/W Ratio1.02
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
6.30 mm6.19 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828685827
Side View
Table 62.0%Crown 33.1°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 65.6%

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: Nov 6
Current: HK$3,033 HKD|Low: HK$1,567 HKD|High: HK$9,027 HKD|Avg: HK$4,472 HKD|+4.9%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 6HK$1,748 HKD
Retailer 8HK$1,881 HKD
Retailer 1HK$3,033 HKD
Retailer 7HK$3,072 HKD
Retailer 3HK$3,198 HKD
Retailer 9HK$3,260 HKD
Retailer 14HK$3,417 HKD
Retailer 11HK$4,428 HKD
Retailer 10HK$4,742 HKD
Retailer 5HK$5,094 HKD
Retailer 12HK$5,173 HKD
Retailer 2HK$5,251 HKD
Retailer 4HK$6,262 HKD
Retailer 13HK$8,488 HKD
Reve DiamondsHK$9,027 HKD

36 data points across 15 retailers

15 retailersHK$1,881 HKD to HK$9,027 HKD

Retailer 1
-
HK$1,748 HKD
Price last confirmed 13 days ago
A
Retailer 2
-
HK$1,881 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$3,033 HKD
View
A
Retailer 4
-
HK$3,072 HKD
View
A
Retailer 5
-
HK$3,198 HKD
View
A
Retailer 6
-
HK$3,260 HKD
View
A
Retailer 7
-
HK$3,417 HKD
View
B+
Retailer 8
-
HK$4,428 HKD
View
B+
Retailer 9
-
HK$4,742 HKD
View
Retailer 10
-
HK$5,094 HKD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
HK$5,173 HKD
View
B+
Retailer 12
-
HK$5,251 HKD
View
B
Retailer 13
-
HK$6,262 HKD
View
B
Retailer 14
-
HK$8,488 HKD
View
Most Expensive
B
Reve Diamonds
FBC391584 · Nov 6
HK$9,027 HKD
$1,152 USD
View
14 more retailers have this diamond
Prices start from HK$1,881 HKDSave up to HK$7,146 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$1,881 HKD