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Oval|Natural|GIA

0.51ct H SI2 Oval Natural Diamond

GD • H/SI2 • GIA 6552015903

Certificate GIA 6552015903

Diamond specifications and retailer prices

From HK$5,760 HKD
As of November 6, 2026
Save HK$5,980 HKD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$20,134 HKD at NZ Jewellers · As of September 28, 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6552015903. Listed at 13 retailers as of November 4, 2026, with a 104% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552015903
Dimensions6.14 × 4.46 × 2.87 mm
L/W Ratio1.38
Top View
6.14 mm4.46 mm0.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552015903
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
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$7,649 HKD|Low: HK$5,760 HKD|High: HK$11,897 HKD|Avg: HK$8,007 HKD|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10HK$5,760 HKD
Retailer 7HK$5,815 HKD
Retailer 2HK$5,909 HKD
Retailer 8HK$7,171 HKD
Retailer 1HK$7,649 HKD
Retailer 6HK$7,712 HKD
Retailer 4HK$9,076 HKD
Retailer 9HK$9,656 HKD
Retailer 5HK$10,322 HKD
Retailer 3HK$11,740 HKD

33 data points across 10 retailers

13 retailersHK$5,760 HKD to HK$11,740 HKD

B
Cheapest Retailer
-
HK$5,760 HKD
Retailer 2
-
HK$5,815 HKD
View
Price last confirmed 39 days ago
B
Retailer 3
-
HK$5,815 HKD
View
Retailer 4
-
HK$5,815 HKD
View
Price last confirmed 8 days ago
B
Retailer 5
-
HK$5,909 HKD
View
Retailer 6
-
HK$6,709 HKD
View
Price last confirmed 39 days ago
B
Retailer 7
-
HK$7,171 HKD
View
B
Retailer 8
-
HK$7,649 HKD
View
B
Retailer 9
-
HK$7,712 HKD
View
B
Retailer 10
-
HK$9,076 HKD
View
C
Retailer 11
-
HK$10,322 HKD
View
B
Retailer 12
-
HK$11,740 HKD
View
Most Expensive
NZ Jewellers
40c7e2e3-e6dd-43da-b760-f57523b9bd65 · Sep 28
HK$20,134 HKD
$2,569 USD
View
Price under review
12 more retailers have this diamond
Prices start from HK$5,760 HKDSave up to HK$5,980 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.

B
0.51ct Oval
HK$5,760 HKD