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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG825623179

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

Certificate IGI LG825623179

Diamond specifications and retailer prices

From HK$1,560 HKD
As of November 6, 2026
Save HK$6,503 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$8,062 HKD at MOH London · As of November 5, 2026
View at MOH London

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 LG825623179 or 825623179. Listed at 12 retailers as of November 5, 2026, with prices from HK$1,560 to HK$8,062, a HK$6,503 spread on the same certified stone. MOH London lists it at HK$8,062. 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 angle33.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825623179
Dimensions6.18 × 5.88 × 3.97 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.18 mm5.88 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825623179
Side View
Table 63.0%Crown 33.8°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 67.5%

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$8,062 HKD|Low: HK$1,560 HKD|High: HK$8,679 HKD|Avg: HK$3,806 HKD|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3HK$1,560 HKD
Retailer 4HK$1,834 HKD
Retailer 5HK$2,053 HKD
Retailer 2HK$2,923 HKD
Retailer 9HK$2,939 HKD
Retailer 6HK$3,057 HKD
Retailer 10HK$3,064 HKD
Retailer 11HK$3,394 HKD
Retailer 7HK$4,209 HKD
Retailer 8HK$5,212 HKD
Retailer 12HK$5,980 HKD
MOH LondonHK$8,062 HKD

36 data points across 12 retailers

12 retailersHK$1,560 HKD to HK$8,062 HKD

A
Cheapest Retailer
-
HK$1,560 HKD
Final sale: no returns
Retailer 2
-
HK$1,834 HKD
View
Price last confirmed 13 days ago
A
Retailer 3
-
HK$2,053 HKD
View
A
Retailer 4
-
HK$2,923 HKD
View
A
Retailer 5
-
HK$2,939 HKD
View
A
Retailer 6
-
HK$3,057 HKD
View
A
Retailer 7
-
HK$3,064 HKD
View
A
Retailer 8
-
HK$3,394 HKD
View
A
Retailer 9
-
HK$4,209 HKD
View
B+
Retailer 10
-
HK$5,212 HKD
View
B+
Retailer 11
-
HK$5,980 HKD
View
Most Expensive
B
MOH London
LG825623179 · Nov 5
HK$8,062 HKD
£810 GBP
View
11 more retailers have this diamond
Prices start from HK$1,560 HKDSave up to HK$6,503 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$1,560 HKD