Round|Lab Grown|IGI

1.78ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG728521251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728521251

Diamond specifications and retailer prices

From HK$5,798 HKD
$739 USD
As of October 30, 2026
Save HK$9,078 HKD (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$14,876 HKD at MOH London · As of October 25, 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728521251 or 728521251. Listed at 6 retailers as of October 25, 2026, with prices from HK$5,798 to HK$14,876, a HK$9,078 spread on the same certified stone. MOH London lists it at HK$14,876. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728521251
Dimensions7.77 × 7.77 × 4.83 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.77 mm7.77 mm1.78 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728521251
Side View
Table 55.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$14,876 HKD|Low: HK$4,218 HKD|High: HK$15,036 HKD|Avg: HK$7,607 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 25, 2026
Retailer 7HK$4,218 HKD
Retailer 5HK$4,982 HKD
Retailer 3HK$5,798 HKD
Retailer 2HK$6,049 HKD
Retailer 4HK$6,261 HKD
Retailer 6HK$12,510 HKD
MOH LondonHK$14,876 HKD

10 data points across 7 retailers

6 retailersHK$5,798 HKD to HK$14,876 HKD

Retailer 1
-
HK$4,218 HKD
Price last confirmed 57 days ago
B+
Retailer 2
-
HK$5,798 HKD
$739 USD
View
B+
Retailer 3
-
HK$6,049 HKD
$771 USD
View
B+
Retailer 4
-
HK$6,261 HKD
$798 USD
View
B
Retailer 5
-
HK$12,510 HKD
$1,595 USD
View
Most Expensive
B
MOH London
LG728521251 · Oct 25
HK$14,876 HKD
£1,493 GBP
View
5 more retailers have this diamond
Prices start from HK$5,798 HKDSave up to HK$9,078 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+
1.78ct Round
HK$5,798 HKD