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Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG830604778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830604778

Diamond specifications and retailer prices

From HK$1,098 HKD
As of November 4, 2026
Save HK$4,401 HKD (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$10,721 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830604778 or 830604778. Listed at 8 retailers as of November 4, 2026, with a 401% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830604778
Dimensions5.20 × 5.18 × 3.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.20 mm5.18 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830604778
Side View
Table 59.0%Crown 32.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.3%

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 4
Current: HK$10,721 HKD|Low: HK$1,098 HKD|High: HK$10,781 HKD|Avg: HK$3,417 HKD|+54.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 2HK$1,098 HKD
Retailer 7HK$1,593 HKD
Retailer 9HK$1,710 HKD
Retailer 3HK$2,134 HKD
Retailer 8HK$2,299 HKD
Retailer 5HK$2,911 HKD
Retailer 4HK$3,060 HKD
Retailer 6HK$5,500 HKD
MOH LondonHK$10,721 HKD

16 data points across 9 retailers

8 retailersHK$1,098 HKD to HK$5,500 HKD

A
Cheapest Retailer
-
HK$1,098 HKD
B+
Retailer 2
-
HK$1,593 HKD
View
B+
Retailer 3
-
HK$2,134 HKD
View
Retailer 4
-
HK$2,299 HKD
View
Price last confirmed 37 days ago
B
Retailer 5
-
HK$2,911 HKD
View
B
Retailer 6
-
HK$3,060 HKD
View
B
Retailer 7
-
HK$5,500 HKD
View
Most Expensive
MOH London
LG830604778 · Nov 2
HK$10,721 HKD
£1,076 GBP
View
Price under review
7 more retailers have this diamond
Prices start from HK$1,098 HKDSave up to HK$4,401 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
0.51ct Round
HK$1,098 HKD