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Oval|Lab Grown|IGI

0.51ct F VS1 Oval Lab Grown Diamond

VG • F/VS1 • IGI LG851653351

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG851653351

Diamond specifications and retailer prices

From HK$1,538 HKD
As of November 4, 2026
Save HK$4,690 HKD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$6,228 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG851653351 or 851653351. Listed at 6 retailers as of November 4, 2026, with prices from HK$1,538 to HK$6,228, a HK$4,690 spread on the same certified stone. MOH London lists it at HK$6,228. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851653351
Dimensions6.40 × 4.51 × 2.79 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.40 mm4.51 mm0.51 ctF / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG851653351
Side View
Table 61.0%Crown 34.1°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$6,228 HKD|Low: HK$1,538 HKD|High: HK$6,228 HKD|Avg: HK$2,826 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 5HK$1,538 HKD
Retailer 4HK$1,812 HKD
Retailer 2HK$2,048 HKD
Retailer 3HK$3,044 HKD
Retailer 6HK$3,193 HKD
MOH LondonHK$6,228 HKD

2 data points across 6 retailers

6 retailersHK$1,538 HKD to HK$6,228 HKD

A
Cheapest Retailer
-
HK$1,538 HKD
B+
Retailer 2
-
HK$1,812 HKD
View
B+
Retailer 3
-
HK$2,048 HKD
View
B
Retailer 4
-
HK$3,044 HKD
View
B
Retailer 5
-
HK$3,193 HKD
View
Most Expensive
B
MOH London
LG851653351 · Nov 4
HK$6,228 HKD
£625 GBP
View
5 more retailers have this diamond
Prices start from HK$1,538 HKDSave up to HK$4,690 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 Oval
HK$1,538 HKD