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Oval|Natural|GIA

0.51ct G SI2 Oval Natural Diamond

GD • G/SI2 • GIA 7558303569

Certificate GIA 7558303569

Diamond specifications and retailer prices

From HK$4,389 HKD
As of November 6, 2026
Save HK$2,633 HKD (38%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$14,922 HKD at NZ Jewellers · As of September 30, 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 G 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 7558303569. Listed at 12 retailers as of November 2, 2026, with a 60% 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
G
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558303569
Dimensions6.54 × 4.35 × 2.64 mm
L/W Ratio1.50
Key to symbols
Feather, Crystal
Top View
6.54 mm4.35 mm0.51 ctG / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558303569
Side View
Table 54.0%CrownGirdlePavilionCulet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$5,792 HKD|Low: HK$4,021 HKD|High: HK$11,121 HKD|Avg: HK$5,781 HKD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 9HK$4,389 HKD
Retailer 11HK$4,507 HKD
Retailer 6HK$4,710 HKD
Retailer 12HK$4,757 HKD
Retailer 2HK$5,126 HKD
Retailer 10HK$5,259 HKD
Retailer 13HK$5,494 HKD
Retailer 3HK$5,721 HKD
Retailer 1HK$5,792 HKD
Retailer 4HK$5,792 HKD
Retailer 5HK$6,011 HKD
Retailer 7HK$7,022 HKD
Retailer 8HK$11,043 HKD

40 data points across 13 retailers

12 retailersHK$4,389 HKD to HK$7,022 HKD

B+
Cheapest Retailer
-
HK$4,389 HKD
Final sale: no returns
B+
Retailer 2
-
HK$4,710 HKD
View
Retailer 3
-
HK$4,757 HKD
View
Price last confirmed 29 days ago
Retailer 4
-
HK$5,126 HKD
View
Price last confirmed 29 days ago
Retailer 5
-
HK$5,126 HKD
View
Price last confirmed 38 days ago
Retailer 6
-
HK$5,494 HKD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
HK$5,721 HKD
View
B+
Retailer 8
-
HK$5,792 HKD
View
B+
Retailer 9
-
HK$5,792 HKD
View
B
Retailer 10
-
HK$7,022 HKD
View
Retailer 11
-
HK$11,043 HKD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
a7b5e038-3f58-4681-a914-f1fc28b51387 · Sep 30
HK$14,922 HKD
$1,904 USD
View
Price last confirmed 37 days ago
11 more retailers have this diamond
Prices start from HK$4,389 HKDSave up to HK$2,633 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$4,389 HKD