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Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG843690275

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843690275

Diamond specifications and retailer prices

From HK$957 HKD
As of November 2, 2026
Save HK$2,777 HKD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,529 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 LG843690275 or 843690275. Listed at 14 retailers as of November 2, 2026, with a 290% 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 angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843690275
Dimensions5.10 × 5.07 × 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
5.10 mm5.07 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843690275
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°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: Nov 2
Current: HK$8,529 HKD|Low: HK$1,091 HKD|High: HK$8,579 HKD|Avg: HK$2,806 HKD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 11HK$1,091 HKD
Retailer 2HK$1,177 HKD
Retailer 4HK$1,397 HKD
Retailer 9HK$1,852 HKD
Retailer 7HK$1,899 HKD
Retailer 5HK$1,985 HKD
Retailer 6HK$2,299 HKD
Retailer 8HK$2,605 HKD
Retailer 12HK$2,950 HKD
Retailer 10HK$3,664 HKD
Retailer 3HK$3,735 HKD
MOH LondonHK$8,529 HKD

19 data points across 12 retailers

14 retailersHK$957 HKD to HK$3,735 HKD

A
Cheapest Retailer
-
HK$957 HKD
Retailer 2
-
HK$1,091 HKD
View
Price last confirmed 11 days ago
A
Retailer 3
-
HK$1,177 HKD
View
A
Retailer 4
-
HK$1,397 HKD
View
B+
Retailer 5
-
HK$1,852 HKD
View
B+
Retailer 6
-
HK$1,899 HKD
View
B+
Retailer 7
-
HK$1,985 HKD
View
B+
Retailer 8
-
HK$2,299 HKD
View
B+
Retailer 9
-
HK$2,605 HKD
View
B
Retailer 10
-
HK$2,950 HKD
View
B
Retailer 11
-
HK$3,287 HKD
View
B
Retailer 12
-
HK$3,664 HKD
View
B
Retailer 13
-
HK$3,735 HKD
View
Most Expensive
MOH London
LG843690275 · Nov 2
HK$8,529 HKD
£856 GBP
View
Price under review
13 more retailers have this diamond
Prices start from HK$957 HKDSave up to HK$2,777 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$957 HKD