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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG735508929

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG735508929

Diamond specifications and retailer prices

From HK$651 HKD
As of November 1, 2026
Save HK$5,252 HKD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$5,902 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 LG735508929 or 735508929. Listed at 15 retailers as of November 1, 2026, with prices from HK$651 to HK$5,902, a HK$5,252 spread on the same certified stone. MOH London lists it at HK$5,902. 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
SymmetryVery Good
FluorescenceNone
Crown angle31.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735508929
Dimensions6.50 × 4.42 × 2.79 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
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
6.50 mm4.42 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG735508929
Side View
Table 59.0%Crown 31.3°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.1%

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 1
Current: HK$5,902 HKD|Low: HK$533 HKD|High: HK$6,221 HKD|Avg: HK$1,785 HKD|-5.1%
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 12HK$651 HKD
Retailer 10HK$721 HKD
Retailer 5HK$752 HKD
Retailer 13HK$854 HKD
Retailer 6HK$878 HKD
Retailer 15HK$1,332 HKD
Retailer 8HK$1,419 HKD
Retailer 9HK$1,560 HKD
Retailer 4HK$1,740 HKD
Retailer 2HK$1,756 HKD
Retailer 11HK$1,936 HKD
Retailer 7HK$2,194 HKD
Retailer 3HK$2,579 HKD
Retailer 14HK$2,633 HKD
MOH LondonHK$5,902 HKD

37 data points across 15 retailers

15 retailersHK$651 HKD to HK$5,902 HKD

A
Cheapest Retailer
-
HK$651 HKD
A
Retailer 2
-
HK$721 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$752 HKD
View
A
Retailer 4
-
HK$854 HKD
View
Retailer 5
-
HK$878 HKD
View
Price last confirmed 12 days ago
A
Retailer 6
-
HK$1,332 HKD
View
A
Retailer 7
-
HK$1,419 HKD
View
A
Retailer 8
-
HK$1,560 HKD
View
A
Retailer 9
-
HK$1,740 HKD
View
A
Retailer 10
-
HK$1,756 HKD
View
A
Retailer 11
-
HK$1,936 HKD
View
B+
Retailer 12
-
HK$2,194 HKD
View
B+
Retailer 13
-
HK$2,579 HKD
View
B+
Retailer 14
-
HK$2,633 HKD
View
Most Expensive
B
MOH London
LG735508929 · Nov 2
HK$5,902 HKD
£593 GBP
View
14 more retailers have this diamond
Prices start from HK$651 HKDSave up to HK$5,252 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$651 HKD