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1.39ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG766644620

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766644620

Diamond specifications and retailer prices

From HK$3,081 HKD
€374 EUR
As of November 2, 2026
Save HK$5,399 HKD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$8,480 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round 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 top-tier cut grade and certified by IGI LG766644620 or 766644620. Listed at 9 retailers as of November 1, 2026, with prices from HK$3,081 to HK$8,480, a HK$5,399 spread on the same certified stone. MOH London lists it at HK$8,480. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.39
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766644620
Dimensions7.13 × 7.08 × 4.47 mm
L/W Ratio1.01
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
7.13 mm7.08 mm1.39 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766644620
Side View
Table 57.0%Crown 36.1°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.0%

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 2
Current: HK$8,480 HKD|Low: HK$2,933 HKD|High: HK$8,729 HKD|Avg: HK$4,263 HKD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3HK$3,081 HKD
Retailer 7HK$3,186 HKD
Retailer 4HK$3,278 HKD
Retailer 8HK$3,719 HKD
Retailer 6HK$3,805 HKD
Retailer 5HK$3,884 HKD
Retailer 2HK$4,825 HKD
Retailer 9HK$5,178 HKD
MOH LondonHK$8,480 HKD

35 data points across 9 retailers

9 retailersHK$3,081 HKD to HK$8,480 HKD

A
Cheapest Retailer
-
HK$3,081 HKD
€374 EUR
B+
Retailer 2
-
HK$3,186 HKD
$406 USD
View
A
Retailer 3
-
HK$3,278 HKD
£329 GBP
View
A
Retailer 4
-
HK$3,719 HKD
$474 USD
View
A
Retailer 5
-
HK$3,805 HKD
$485 USD
View
A
Retailer 6
-
HK$3,884 HKD
$495 USD
View
B+
Retailer 7
-
HK$4,825 HKD
$615 USD
View
B+
Retailer 8
-
HK$5,178 HKD
$660 USD
View
Most Expensive
B
MOH London
LG766644620 · Nov 1
HK$8,480 HKD
£851 GBP
View
8 more retailers have this diamond
Prices start from HK$3,081 HKDSave up to HK$5,399 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
1.39ct Round
HK$3,081 HKD