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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG814637983

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG814637983

Diamond specifications and retailer prices

From HK$737 HKD
As of November 5, 2026
Save HK$5,942 HKD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$6,679 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG814637983 or 814637983. Listed at 14 retailers as of November 2, 2026, with prices from HK$737 to HK$6,679, a HK$5,942 spread on the same certified stone. MOH London lists it at HK$6,679. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryFair
FluorescenceNone
Crown angle33.3°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814637983
Dimensions6.26 × 4.57 × 2.86 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.26 mm4.57 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryFair
FluorescenceNone
CertificateIGI LG814637983
Side View
Table 66.0%Crown 33.3°Girdle: THN-STKPavilion 43.1°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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 5
Current: HK$6,679 HKD|Low: HK$737 HKD|High: HK$6,758 HKD|Avg: HK$2,283 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3HK$737 HKD
Retailer 9HK$846 HKD
Retailer 10HK$964 HKD
Retailer 11HK$964 HKD
Retailer 5HK$1,238 HKD
Retailer 7HK$1,372 HKD
Retailer 2HK$1,693 HKD
Retailer 8HK$1,740 HKD
Retailer 6HK$2,085 HKD
Retailer 13HK$2,610 HKD
Retailer 12HK$2,923 HKD
Retailer 4HK$3,315 HKD
MOH LondonHK$6,679 HKD

43 data points across 13 retailers

14 retailersHK$737 HKD to HK$6,679 HKD

A
Cheapest Retailer
-
HK$737 HKD
A
Retailer 2
-
HK$846 HKD
View
Retailer 3
-
HK$964 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$964 HKD
View
A
Retailer 5
-
HK$1,238 HKD
View
A
Retailer 6
-
HK$1,372 HKD
View
B+
Retailer 7
-
HK$1,693 HKD
View
A
Retailer 8
-
HK$1,740 HKD
View
B+
Retailer 9
-
HK$2,085 HKD
View
B+
Retailer 10
-
HK$2,610 HKD
View
B
Retailer 11
-
HK$2,923 HKD
View
B
Retailer 12
-
HK$3,057 HKD
View
B
Retailer 13
-
HK$3,315 HKD
View
Most Expensive
B
MOH London
LG814637983 · Nov 2
HK$6,679 HKD
£671 GBP
View
13 more retailers have this diamond
Prices start from HK$737 HKDSave up to HK$5,942 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$737 HKD