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Oval|Natural|GIA

0.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 5566631743

Certificate GIA 5566631743

Diamond specifications and retailer prices

From HK$2,837 HKD
As of November 6, 2026
Save HK$9,946 HKD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$12,783 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566631743. Listed at 10 retailers as of November 5, 2026, with prices from HK$2,837 to HK$12,783, a HK$9,946 spread on the same certified stone. NZ Jewellers lists it at HK$12,783. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5566631743
Dimensions6.25 × 4.36 × 2.79 mm
L/W Ratio1.43
Girdle conditionVery Thick
Top View
6.25 mm4.36 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5566631743
Side View
Table 61.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 64.1%

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$12,783 HKD|Low: HK$2,837 HKD|High: HK$12,783 HKD|Avg: HK$5,866 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9HK$2,837 HKD
Retailer 2HK$3,010 HKD
Retailer 3HK$4,836 HKD
Retailer 5HK$5,055 HKD
Retailer 7HK$5,102 HKD
Retailer 8HK$5,173 HKD
Retailer 4HK$6,058 HKD
Retailer 6HK$9,405 HKD
NZ JewellersHK$12,783 HKD

10 data points across 9 retailers

10 retailersHK$2,837 HKD to HK$12,783 HKD

A
Cheapest Retailer
-
HK$2,837 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,010 HKD
View
A
Retailer 3
-
HK$4,091 HKD
View
A
Retailer 4
-
HK$4,836 HKD
View
B+
Retailer 5
-
HK$5,055 HKD
View
B+
Retailer 6
-
HK$5,102 HKD
View
B+
Retailer 7
-
HK$5,173 HKD
View
B+
Retailer 8
-
HK$6,058 HKD
View
B
Retailer 9
-
HK$9,405 HKD
View
Most Expensive
B
NZ Jewellers
0db0b06e-da52-41e3-9fdf-3d1329776e91 · Nov 5
HK$12,783 HKD
$1,631 USD
View
9 more retailers have this diamond
Prices start from HK$2,837 HKDSave up to HK$9,946 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$2,837 HKD