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Oval|Lab Grown|IGI

0.51ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG851653367

Certificate IGI LG851653367

Diamond specifications and retailer prices

From HK$1,417 HKD
£142 GBP
As of November 3, 2026
Save HK$4,442 HKD (76%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$5,859 HKD at MOH London · As of November 2, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG851653367 or 851653367. Listed at 2 retailers as of November 2, 2026, with prices from HK$1,417 to HK$5,859, a HK$4,442 spread on the same certified stone. MOH London lists it at HK$5,859. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG851653367
Dimensions6.27 × 4.47 × 2.88 mm
L/W Ratio1.40
Top View
6.27 mm4.47 mm0.51 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG851653367
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: HK$5,859 HKD|Low: HK$1,417 HKD|High: HK$5,859 HKD|Avg: HK$4,378 HKD
MOH London
Retailer 2
November 3, 2026
Retailer 2HK$1,417 HKD
MOH LondonHK$5,859 HKD

2 data points across 2 retailers

2 retailersHK$1,417 HKD to HK$5,859 HKD

B+
Cheapest Retailer
-
HK$1,417 HKD
£142 GBP
Most Expensive
C
MOH London
LG851653367 · Nov 2
HK$5,859 HKD
£588 GBP
View
1 more retailer has this diamond
Prices start from HK$1,417 HKDSave up to HK$4,442 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+
0.51ct Oval
HK$1,417 HKD