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Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 2564708245

Certificate GIA 2564708245

Diamond specifications and retailer prices

From HK$3,151 HKD
As of November 6, 2026
Save HK$11,129 HKD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$14,280 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 2564708245. Listed at 16 retailers as of November 5, 2026, with prices from HK$3,151 to HK$14,280, a HK$11,129 spread on the same certified stone. NZ Jewellers lists it at HK$14,280. 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
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2564708245
Dimensions6.52 × 4.49 × 2.77 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
6.52 mm4.49 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2564708245
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$14,280 HKD|Low: HK$3,151 HKD|High: HK$14,962 HKD|Avg: HK$5,860 HKD|-4.6%
NZ Jewellers
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
Retailer 16
November 6, 2026
Retailer 15HK$3,151 HKD
Retailer 9HK$3,331 HKD
Retailer 14HK$4,444 HKD
Retailer 2HK$4,530 HKD
Retailer 3HK$4,546 HKD
Retailer 13HK$4,554 HKD
Retailer 16HK$4,906 HKD
Retailer 7HK$5,063 HKD
Retailer 4HK$5,251 HKD
Retailer 8HK$5,408 HKD
Retailer 10HK$5,408 HKD
Retailer 12HK$5,533 HKD
Retailer 6HK$6,074 HKD
Retailer 11HK$6,113 HKD
Retailer 5HK$10,667 HKD
NZ JewellersHK$14,280 HKD

12 data points across 16 retailers

16 retailersHK$3,151 HKD to HK$14,280 HKD

A
Cheapest Retailer
-
HK$3,151 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,331 HKD
View
A
Retailer 3
-
HK$4,444 HKD
View
A
Retailer 4
-
HK$4,530 HKD
View
A
Retailer 5
-
HK$4,546 HKD
View
A
Retailer 6
-
HK$4,554 HKD
View
A
Retailer 7
-
HK$4,906 HKD
View
Retailer 8
-
HK$5,063 HKD
View
Price last confirmed 9 days ago
A
Retailer 9
-
HK$5,251 HKD
View
Retailer 10
-
HK$5,408 HKD
View
Price last confirmed 10 days ago
A
Retailer 11
-
HK$5,408 HKD
View
A
Retailer 12
-
HK$5,533 HKD
View
B+
Retailer 13
-
HK$6,074 HKD
View
B+
Retailer 14
-
HK$6,113 HKD
View
B
Retailer 15
-
HK$10,667 HKD
View
Most Expensive
B
NZ Jewellers
eebda3ae-acc0-4855-b36f-1bf6872e3b09 · Nov 5
HK$14,280 HKD
$1,822 USD
View
15 more retailers have this diamond
Prices start from HK$3,151 HKDSave up to HK$11,129 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$3,151 HKD