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Cushion|Lab Grown|IGI

1.27ct F SI1 Cushion Lab Grown Diamond

GD • F/SI1 • IGI LG739583468

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

Certificate IGI LG739583468

Diamond specifications and retailer prices

From HK$2,680 HKD
As of November 7, 2026
Save HK$4,496 HKD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$7,176 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.27ct lab-grown cushion diamond

This 1.27ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG739583468 or 739583468. Listed at 7 retailers as of November 4, 2026, with prices from HK$2,680 to HK$7,176, a HK$4,496 spread on the same certified stone. MOH London lists it at HK$7,176. 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

1.27
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739583468
Dimensions6.23 × 6.06 × 4.17 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.23 mm6.06 mm1.27 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739583468
Side View
Table 62.0%Crown 37.7°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: HK$7,176 HKD|Low: HK$2,610 HKD|High: HK$7,465 HKD|Avg: HK$3,978 HKD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 2HK$2,680 HKD
Retailer 7HK$2,798 HKD
Retailer 4HK$2,994 HKD
Retailer 6HK$3,456 HKD
Retailer 5HK$3,519 HKD
Retailer 3HK$4,781 HKD
MOH LondonHK$7,176 HKD

44 data points across 7 retailers

7 retailersHK$2,680 HKD to HK$7,176 HKD

A
Cheapest Retailer
-
HK$2,680 HKD
B+
Retailer 2
-
HK$2,798 HKD
View
B+
Retailer 3
-
HK$2,994 HKD
View
B+
Retailer 4
-
HK$3,456 HKD
View
B+
Retailer 5
-
HK$3,519 HKD
View
B+
Retailer 6
-
HK$4,781 HKD
View
Most Expensive
B
MOH London
LG739583468 · Nov 4
HK$7,176 HKD
£721 GBP
View
6 more retailers have this diamond
Prices start from HK$2,680 HKDSave up to HK$4,496 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
1.27ct Cushion
HK$2,680 HKD