Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2568589589

Certificate GIA 2568589589

Diamond specifications and retailer prices

From HK$3,174 HKD
As of November 6, 2026
Save HK$11,027 HKD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$14,201 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2568589589. Listed at 11 retailers as of November 5, 2026, with prices from HK$3,174 to HK$14,201, a HK$11,027 spread on the same certified stone. NZ Jewellers lists it at HK$14,201. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2568589589
Dimensions6.31 × 4.33 × 2.78 mm
L/W Ratio1.46
Girdle conditionThick
Top View
6.31 mm4.33 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2568589589
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 64.2%

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$14,201 HKD|Low: HK$3,174 HKD|High: HK$14,201 HKD|Avg: HK$6,067 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10HK$3,174 HKD
Retailer 2HK$3,362 HKD
Retailer 6HK$5,133 HKD
Retailer 4HK$5,502 HKD
Retailer 3HK$5,525 HKD
Retailer 8HK$5,557 HKD
Retailer 9HK$5,572 HKD
Retailer 7HK$6,709 HKD
Retailer 5HK$6,983 HKD
NZ JewellersHK$14,201 HKD

10 data points across 10 retailers

11 retailersHK$3,174 HKD to HK$14,201 HKD

A
Cheapest Retailer
-
HK$3,174 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,362 HKD
View
A
Retailer 3
-
HK$4,459 HKD
View
B+
Retailer 4
-
HK$5,133 HKD
View
B+
Retailer 5
-
HK$5,502 HKD
View
B+
Retailer 6
-
HK$5,525 HKD
View
B+
Retailer 7
-
HK$5,557 HKD
View
B+
Retailer 8
-
HK$5,572 HKD
View
B+
Retailer 9
-
HK$6,709 HKD
View
B
Retailer 10
-
HK$6,983 HKD
View
Most Expensive
B
NZ Jewellers
48c9bb09-83af-4f02-ae8f-d0c082692294 · Nov 5
HK$14,201 HKD
$1,812 USD
View
10 more retailers have this diamond
Prices start from HK$3,174 HKDSave up to HK$11,027 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$3,174 HKD