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Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

GD • F/SI2 • GIA 2547046252

Certificate GIA 2547046252

Diamond specifications and retailer prices

From HK$5,118 HKD
As of November 6, 2026
Save HK$7,681 HKD (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$17,383 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 F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2547046252. Listed at 12 retailers as of November 1, 2026, with a 150% 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
F
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547046252
Dimensions6.46 × 4.62 × 2.83 mm
L/W Ratio1.40
Top View
6.46 mm4.62 mm0.51 ctF / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2547046252
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 61.2%

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$6,740 HKD|Low: HK$4,687 HKD|High: HK$12,955 HKD|Avg: HK$6,783 HKD|+3.9%
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$5,118 HKD
Retailer 4HK$5,290 HKD
Retailer 7HK$5,314 HKD
Retailer 11HK$5,541 HKD
Retailer 12HK$5,541 HKD
Retailer 3HK$6,364 HKD
Retailer 10HK$6,395 HKD
Retailer 13HK$6,505 HKD
Retailer 2HK$6,576 HKD
Retailer 1HK$6,740 HKD
Retailer 8HK$7,877 HKD
Retailer 5HK$8,441 HKD
Retailer 6HK$12,798 HKD

40 data points across 13 retailers

12 retailersHK$5,118 HKD to HK$12,798 HKD

B+
Cheapest Retailer
-
HK$5,118 HKD
Final sale: no returns
B+
Retailer 2
-
HK$5,314 HKD
View
Retailer 3
-
HK$5,541 HKD
View
Price last confirmed 29 days ago
Retailer 4
-
HK$5,541 HKD
View
Price last confirmed 29 days ago
Retailer 5
-
HK$5,760 HKD
View
Price last confirmed 38 days ago
Retailer 6
-
HK$6,395 HKD
View
Price last confirmed 38 days ago
B
Retailer 7
-
HK$6,505 HKD
View
B
Retailer 8
-
HK$6,576 HKD
View
B
Retailer 9
-
HK$6,740 HKD
View
B
Retailer 10
-
HK$7,877 HKD
View
B
Retailer 11
-
HK$12,798 HKD
View
Most Expensive
NZ Jewellers
18ce7084-36d8-4cd5-9e2f-6fbbe326cc3a · Sep 30
HK$17,383 HKD
$2,218 USD
View
Price under review
11 more retailers have this diamond
Prices start from HK$5,118 HKDSave up to HK$7,681 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$5,118 HKD