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1.78ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG582393761

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582393761

Diamond specifications and retailer prices

From HK$1,648 HKD
$210 USD
As of October 29, 2026
Save HK$7,420 HKD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$9,067 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG582393761 or 582393761. Listed at 9 retailers as of October 26, 2026, with prices from HK$1,648 to HK$9,067, a HK$7,420 spread on the same certified stone. MOH London lists it at HK$9,067. 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

1.78
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582393761
Dimensions7.74 × 7.72 × 4.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.74 mm7.72 mm1.78 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582393761
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

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: Oct 29
Current: HK$9,067 HKD|Low: HK$1,365 HKD|High: HK$11,925 HKD|Avg: HK$5,449 HKD|-2.2%
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
Retailer 14
October 29, 2026
Retailer 12HK$1,648 HKD
Retailer 13HK$1,867 HKD
Retailer 11HK$1,914 HKD
Retailer 10HK$3,515 HKD
Retailer 2HK$3,921 HKD
Retailer 4HK$4,411 HKD
Retailer 5HK$4,833 HKD
Retailer 14HK$5,971 HKD
Retailer 3HK$6,333 HKD
Retailer 8HK$6,606 HKD
Retailer 7HK$6,826 HKD
Retailer 9HK$7,265 HKD
MOH LondonHK$9,067 HKD
Retailer 6HK$11,925 HKD

32 data points across 14 retailers

9 retailersHK$1,648 HKD to HK$9,067 HKD

A
Cheapest Retailer
-
HK$1,648 HKD
$210 USD
A
Retailer 2
-
HK$1,867 HKD
$238 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,914 HKD
$244 USD
View
B+
Retailer 4
-
HK$3,515 HKD
$448 USD
View
A
Retailer 5
-
HK$3,921 HKD
£393 GBP
View
B
Retailer 6
-
HK$6,606 HKD
$842 USD
View
B
Retailer 7
-
HK$6,826 HKD
$870 USD
View
B+
Retailer 8
-
HK$7,265 HKD
$926 USD
View
Most Expensive
B
MOH London
LG582393761 · Oct 26
HK$9,067 HKD
£910 GBP
View
8 more retailers have this diamond
Prices start from HK$1,648 HKDSave up to HK$7,420 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
1.78ct Round
HK$1,648 HKD