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Cushion|Lab Grown|IGI

1.39ct D SI1 Cushion Lab Grown Diamond

VG • D/SI1 • IGI LG494172710

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG494172710

Diamond specifications and retailer prices

From HK$5,123 HKD
$653 USD
As of October 30, 2026
Save HK$10,899 HKD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$16,022 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1.39ct lab-grown cushion diamond

This 1.39ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG494172710 or 494172710. Listed at 6 retailers as of October 26, 2026, with prices from HK$5,123 to HK$16,022, a HK$10,899 spread on the same certified stone. MOH London lists it at HK$16,022. 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

1.39
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494172710
Dimensions6.89 × 5.82 × 4.07 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
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
6.89 mm5.82 mm1.39 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494172710
Side View
Table 60.5%Crown 36.5°Girdle: MED-VTKPavilion 36°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$16,022 HKD|Low: HK$5,123 HKD|High: HK$16,192 HKD|Avg: HK$8,654 HKD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 6HK$5,123 HKD
Retailer 2HK$6,623 HKD
Retailer 5HK$6,834 HKD
Retailer 3HK$7,203 HKD
Retailer 4HK$7,924 HKD
Retailer 7HK$11,668 HKD
MOH LondonHK$16,022 HKD

42 data points across 7 retailers

6 retailersHK$5,123 HKD to HK$16,022 HKD

B+
Cheapest Retailer
-
HK$5,123 HKD
$653 USD
B+
Retailer 2
-
HK$6,623 HKD
€804 EUR
View
B
Retailer 3
-
HK$6,834 HKD
$871 USD
View
B
Retailer 4
-
HK$7,203 HKD
£723 GBP
View
Retailer 5
-
HK$7,924 HKD
$1,010 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
LG494172710 · Oct 26
HK$16,022 HKD
£1,608 GBP
View
5 more retailers have this diamond
Prices start from HK$5,123 HKDSave up to HK$10,899 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.

B+
1.39ct Cushion
HK$5,123 HKD