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Oval|Natural|GIA

0.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 6565801280

Certificate GIA 6565801280

Diamond specifications and retailer prices

From HK$2,508 HKD
As of November 6, 2026
Save HK$10,408 HKD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$12,916 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565801280. Listed at 16 retailers as of November 5, 2026, with prices from HK$2,508 to HK$12,916, a HK$10,408 spread on the same certified stone. NZ Jewellers lists it at HK$12,916. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565801280
Dimensions6.32 × 4.47 × 2.85 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Knot
Top View
6.32 mm4.47 mm0.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6565801280
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 63.7%

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$12,916 HKD|Low: HK$2,508 HKD|High: HK$12,916 HKD|Avg: HK$4,935 HKD
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 10HK$2,508 HKD
Retailer 2HK$3,080 HKD
Retailer 7HK$3,370 HKD
Retailer 9HK$3,464 HKD
Retailer 8HK$3,629 HKD
Retailer 15HK$3,848 HKD
Retailer 11HK$4,068 HKD
Retailer 4HK$4,075 HKD
Retailer 14HK$4,091 HKD
Retailer 16HK$4,240 HKD
Retailer 12HK$4,358 HKD
Retailer 13HK$4,757 HKD
Retailer 5HK$5,016 HKD
Retailer 3HK$5,220 HKD
Retailer 6HK$7,767 HKD
NZ JewellersHK$12,916 HKD

5 data points across 16 retailers

16 retailersHK$2,508 HKD to HK$12,916 HKD

A
Cheapest Retailer
-
HK$2,508 HKD
A
Retailer 2
-
HK$3,080 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$3,370 HKD
View
A
Retailer 4
-
HK$3,464 HKD
View
A
Retailer 5
-
HK$3,629 HKD
View
A
Retailer 6
-
HK$3,848 HKD
View
A
Retailer 7
-
HK$4,068 HKD
View
B+
Retailer 8
-
HK$4,075 HKD
View
A
Retailer 9
-
HK$4,091 HKD
View
B+
Retailer 10
-
HK$4,240 HKD
View
B+
Retailer 11
-
HK$4,358 HKD
View
B+
Retailer 12
-
HK$4,757 HKD
View
B+
Retailer 13
-
HK$5,016 HKD
View
B
Retailer 14
-
HK$5,220 HKD
View
B
Retailer 15
-
HK$7,767 HKD
View
Most Expensive
B
NZ Jewellers
9a4e8a39-a3b4-4111-8165-27ef4de888cb · Nov 5
HK$12,916 HKD
$1,648 USD
View
15 more retailers have this diamond
Prices start from HK$2,508 HKDSave up to HK$10,408 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$2,508 HKD