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Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 6495141284

Certificate GIA 6495141284

Diamond specifications and retailer prices

From HK$6,168 HKD
As of November 6, 2026
Save HK$7,329 HKD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$13,497 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6495141284. Listed at 18 retailers as of November 4, 2026, with prices from HK$6,168 to HK$13,497, a HK$7,329 spread on the same certified stone. MOH London lists it at HK$13,497. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle39.11°
OriginNatural
Grading LabGIA
CertificateGIA 6495141284
Dimensions6.63 × 4.47 × 2.67 mm
L/W Ratio1.48
Top View
6.63 mm4.47 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6495141284
Side View
Table 56.0%Crown 34.3°Girdle: STK-VTKPavilion 39.11°Culet: NoneDepth 59.8%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: HK$13,497 HKD|Low: HK$6,168 HKD|High: HK$13,686 HKD|Avg: HK$8,782 HKD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5HK$6,168 HKD
Retailer 6HK$6,944 HKD
Retailer 7HK$7,320 HKD
Retailer 3HK$7,359 HKD
Retailer 2HK$8,762 HKD
Retailer 4HK$10,377 HKD
MOH LondonHK$13,497 HKD

45 data points across 7 retailers

18 retailersHK$6,168 HKD to HK$13,497 HKD

B+
Cheapest Retailer
-
HK$6,168 HKD
Final sale: no returns
B+
Retailer 2
-
HK$6,560 HKD
View
Retailer 3
-
HK$6,685 HKD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$6,685 HKD
View
B+
Retailer 5
-
HK$6,717 HKD
View
B+
Retailer 6
-
HK$6,764 HKD
View
B+
Retailer 7
-
HK$6,944 HKD
View
B+
Retailer 8
-
HK$7,320 HKD
View
B+
Retailer 9
-
HK$7,359 HKD
View
B+
Retailer 10
-
HK$7,485 HKD
View
B
Retailer 11
-
HK$7,712 HKD
View
B
Retailer 12
-
HK$7,916 HKD
View
B
Retailer 13
-
HK$7,916 HKD
View
B
Retailer 14
-
HK$8,151 HKD
View
B
Retailer 15
-
HK$8,762 HKD
View
B
Retailer 16
-
HK$10,377 HKD
View
Most Expensive
B
MOH London
AAF872F4E · Nov 4
HK$13,497 HKD
£1,356 GBP
View
16 more retailers have this diamond
Prices start from HK$6,168 HKDSave up to HK$7,329 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$6,168 HKD