CaratHunter
Plans
Oval|Natural|GIA

0.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 2567308159

Certificate GIA 2567308159

Diamond specifications and retailer prices

From HK$3,017 HKD
As of November 1, 2026
Save HK$9,820 HKD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$12,838 HKD at NZ Jewellers · As of November 7, 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 2567308159. Listed at 14 retailers as of November 1, 2026, with prices from HK$3,017 to HK$12,838, a HK$9,820 spread on the same certified stone. NZ Jewellers lists it at HK$12,838. 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
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567308159
Dimensions6.35 × 4.46 × 2.85 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
6.35 mm4.46 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567308159
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.0%

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 1
Current: HK$12,838 HKD|Low: HK$3,010 HKD|High: HK$12,838 HKD|Avg: HK$5,492 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
November 7, 2026
Retailer 7HK$3,017 HKD
Retailer 3HK$3,770 HKD
Retailer 10HK$4,091 HKD
Retailer 12HK$4,193 HKD
Retailer 8HK$4,412 HKD
Retailer 9HK$4,412 HKD
Retailer 11HK$4,726 HKD
Retailer 4HK$4,945 HKD
Retailer 2HK$5,079 HKD
Retailer 5HK$6,074 HKD
Retailer 6HK$9,452 HKD
NZ JewellersHK$12,838 HKD

40 data points across 12 retailers

14 retailersHK$3,017 HKD to HK$12,838 HKD

A
Cheapest Retailer
-
HK$3,017 HKD
A
Retailer 2
-
HK$3,339 HKD
View
A
Retailer 3
-
HK$3,770 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$4,091 HKD
View
A
Retailer 5
-
HK$4,193 HKD
View
A
Retailer 6
-
HK$4,412 HKD
View
A
Retailer 7
-
HK$4,412 HKD
View
B+
Retailer 8
-
HK$4,726 HKD
View
B+
Retailer 9
-
HK$5,079 HKD
View
B+
Retailer 10
-
HK$5,188 HKD
View
B+
Retailer 11
-
HK$5,502 HKD
View
B+
Retailer 12
-
HK$6,074 HKD
View
B
Retailer 13
-
HK$9,452 HKD
View
Most Expensive
B
NZ Jewellers
d4aaebf6-6ba7-45ed-bc08-bb071ebcd627 · Nov 7
HK$12,838 HKD
$1,638 USD
View
13 more retailers have this diamond
Prices start from HK$3,017 HKDSave up to HK$9,820 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$3,017 HKD