Cushion|Lab Grown|IGI

1.25ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG640416402

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG640416402

Diamond specifications and retailer prices

From HK$2,249 HKD
As of November 6, 2026
Save HK$6,569 HKD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$8,819 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.25ct lab-grown cushion diamond

This 1.25ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG640416402 or 640416402. Listed at 13 retailers as of November 5, 2026, with prices from HK$2,249 to HK$8,819, a HK$6,569 spread on the same certified stone. MOH London lists it at HK$8,819. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640416402
Dimensions6.29 × 6.21 × 4.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.29 mm6.21 mm1.25 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640416402
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 65.9%

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$8,819 HKD|Low: HK$1,787 HKD|High: HK$8,819 HKD|Avg: HK$4,255 HKD|+4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 5HK$1,787 HKD
Retailer 7HK$2,249 HKD
Retailer 6HK$3,198 HKD
Retailer 13HK$3,198 HKD
Retailer 11HK$3,307 HKD
Retailer 9HK$3,394 HKD
Retailer 8HK$3,621 HKD
Retailer 4HK$4,318 HKD
Retailer 12HK$4,350 HKD
Retailer 3HK$5,173 HKD
Retailer 2HK$6,270 HKD
Retailer 10HK$6,497 HKD
MOH LondonHK$8,819 HKD

28 data points across 13 retailers

13 retailersHK$2,249 HKD to HK$8,819 HKD

Retailer 1
-
HK$1,787 HKD
Price last confirmed 26 days ago
A
Retailer 2
-
HK$2,249 HKD
View
A
Retailer 3
-
HK$3,198 HKD
View
A
Retailer 4
-
HK$3,198 HKD
View
A
Retailer 5
-
HK$3,307 HKD
View
A
Retailer 6
-
HK$3,394 HKD
View
A
Retailer 7
-
HK$3,621 HKD
View
B+
Retailer 8
-
HK$4,318 HKD
View
B+
Retailer 9
-
HK$4,350 HKD
View
B
Retailer 10
-
HK$5,173 HKD
View
B
Retailer 11
-
HK$6,270 HKD
View
B
Retailer 12
-
HK$6,497 HKD
View
Most Expensive
B
MOH London
LG640416402 · Nov 5
HK$8,819 HKD
£886 GBP
View
12 more retailers have this diamond
Prices start from HK$2,249 HKDSave up to HK$6,569 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
1.25ct Cushion
HK$2,249 HKD