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Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG846661248

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846661248

Diamond specifications and retailer prices

From HK$1,177 HKD
As of November 4, 2026
Save HK$3,083 HKD (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$8,529 HKD at MOH London · As of November 1, 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 LG846661248 or 846661248. Listed at 11 retailers as of November 2, 2026, with a 262% 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 angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846661248
Dimensions5.13 × 5.10 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.13 mm5.10 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846661248
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°CuletDepth 61.8%

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$8,529 HKD|Low: HK$1,177 HKD|High: HK$10,243 HKD|Avg: HK$3,180 HKD|-16.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 2HK$1,177 HKD
Retailer 8HK$1,397 HKD
Retailer 3HK$1,404 HKD
Retailer 4HK$1,985 HKD
Retailer 6HK$2,040 HKD
Retailer 7HK$2,118 HKD
Retailer 5HK$2,299 HKD
Retailer 9HK$2,950 HKD
Retailer 10HK$3,735 HKD
Retailer 11HK$4,260 HKD
MOH LondonHK$8,529 HKD

21 data points across 11 retailers

11 retailersHK$1,177 HKD to HK$4,260 HKD

A
Cheapest Retailer
-
HK$1,177 HKD
A
Retailer 2
-
HK$1,397 HKD
View
A
Retailer 3
-
HK$1,404 HKD
View
B+
Retailer 4
-
HK$1,985 HKD
View
B+
Retailer 5
-
HK$2,040 HKD
View
B+
Retailer 6
-
HK$2,118 HKD
View
B+
Retailer 7
-
HK$2,299 HKD
View
B
Retailer 8
-
HK$2,950 HKD
View
B
Retailer 9
-
HK$3,735 HKD
View
B
Retailer 10
-
HK$4,260 HKD
View
Most Expensive
MOH London
LG846661248 · Nov 1
HK$8,529 HKD
£856 GBP
View
Price under review
10 more retailers have this diamond
Prices start from HK$1,177 HKDSave up to HK$3,083 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$1,177 HKD