Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

GD • F/SI2 • GIA 2537721327

Certificate GIA 2537721327

Diamond specifications and retailer prices

From HK$3,488 HKD
As of November 6, 2026
Save HK$7,485 HKD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$14,930 HKD at NZ Jewellers · As of October 23, 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 2537721327. Listed at 19 retailers as of November 4, 2026, with a 215% 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537721327
Dimensions6.36 × 4.50 × 2.78 mm
L/W Ratio1.41
Top View
6.36 mm4.50 mm0.51 ctF / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537721327
Side View
Table 56.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 61.7%

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$3,488 HKD|Low: HK$3,002 HKD|High: HK$11,121 HKD|Avg: HK$5,941 HKD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1HK$3,488 HKD
Retailer 6HK$4,389 HKD
Retailer 7HK$4,859 HKD
Retailer 5HK$5,126 HKD
Retailer 8HK$5,627 HKD
Retailer 2HK$5,792 HKD
Retailer 4HK$7,022 HKD
Retailer 3HK$10,972 HKD

41 data points across 8 retailers

19 retailersHK$3,488 HKD to HK$10,972 HKD

A
Cheapest Retailer
-
HK$3,488 HKD
B+
Retailer 2
-
HK$4,389 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$4,507 HKD
View
Retailer 4
-
HK$4,765 HKD
View
Price last confirmed 39 days ago
Retailer 5
-
HK$4,765 HKD
View
Price last confirmed 19 days ago
Retailer 6
-
HK$4,859 HKD
View
Price last confirmed 30 days ago
Retailer 7
-
HK$5,126 HKD
View
Price last confirmed 21 days ago
Retailer 8
-
HK$5,126 HKD
View
Price last confirmed 21 days ago
Retailer 9
-
HK$5,494 HKD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
HK$5,494 HKD
View
Retailer 11
-
HK$5,494 HKD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
HK$5,627 HKD
View
B+
Retailer 13
-
HK$5,792 HKD
View
B+
Retailer 14
-
HK$5,792 HKD
View
B
Retailer 15
-
HK$7,022 HKD
View
C
Retailer 16
-
HK$10,972 HKD
View
Retailer 17
-
HK$14,930 HKD
View
Price last confirmed 39 days ago
Retailer 18
-
HK$14,930 HKD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
81c7a6b7-caf1-4490-9eae-d224d2f4bbd6 · Oct 23
HK$14,930 HKD
$1,905 USD
View
Price last confirmed 14 days ago
18 more retailers have this diamond
Prices start from HK$3,488 HKDSave up to HK$7,485 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$3,488 HKD