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1.39ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG786642414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786642414

Diamond specifications and retailer prices

From HK$1,475 HKD
$188 USD
As of October 29, 2026
Save HK$7,144 HKD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,619 HKD at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786642414 or 786642414. Listed at 14 retailers as of October 29, 2026, with prices from HK$1,475 to HK$8,619, a HK$7,144 spread on the same certified stone. MOH London lists it at HK$8,619. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786642414
Dimensions7.21 × 7.17 × 4.40 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
7.21 mm7.17 mm1.39 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786642414
Side View
Table 58.0%Crown 31.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.3%

Caratlytics Score

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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: Oct 29
Current: HK$8,619 HKD|Low: HK$1,420 HKD|High: HK$8,828 HKD|Avg: HK$3,756 HKD|-2.4%
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
October 30, 2026
Retailer 11HK$1,475 HKD
Retailer 13HK$1,655 HKD
Retailer 5HK$1,836 HKD
Retailer 8HK$3,106 HKD
Retailer 3HK$3,225 HKD
Retailer 7HK$3,320 HKD
Retailer 6HK$3,582 HKD
Retailer 4HK$3,735 HKD
Retailer 12HK$3,821 HKD
Retailer 9HK$4,001 HKD
Retailer 10HK$4,825 HKD
Retailer 2HK$5,257 HKD
MOH LondonHK$8,619 HKD

33 data points across 13 retailers

14 retailersHK$1,475 HKD to HK$8,619 HKD

A
Cheapest Retailer
-
HK$1,475 HKD
$188 USD
A
Retailer 2
-
HK$1,655 HKD
$211 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,836 HKD
$234 USD
View
A
Retailer 4
-
HK$3,106 HKD
€377 EUR
View
B+
Retailer 5
-
HK$3,225 HKD
$411 USD
View
A
Retailer 6
-
HK$3,320 HKD
£333 GBP
View
A
Retailer 7
-
HK$3,582 HKD
£359 GBP
View
B+
Retailer 8
-
HK$3,735 HKD
$476 USD
View
B+
Retailer 9
-
HK$3,821 HKD
$487 USD
View
B+
Retailer 10
-
HK$4,001 HKD
$510 USD
View
B
Retailer 11
-
HK$4,825 HKD
$615 USD
View
B+
Retailer 12
-
HK$5,257 HKD
$670 USD
View
Retailer 13
-
HK$5,414 HKD
$690 USD
View
Price last confirmed 45 days ago
Most Expensive
B
MOH London
LG786642414 · Oct 29
HK$8,619 HKD
£865 GBP
View
13 more retailers have this diamond
Prices start from HK$1,475 HKDSave up to HK$7,144 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$1,475 HKD