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Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 5563002670

Certificate GIA 5563002670

Diamond specifications and retailer prices

From HK$5,094 HKD
As of November 6, 2026
Save HK$3,359 HKD (40%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$8,454 HKD at Frank Darling · As of November 6, 2026
View at Frank Darling

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563002670. Listed at 11 retailers as of November 6, 2026, with prices from HK$5,094 to HK$8,454, a HK$3,359 spread on the same certified stone. Frank Darling lists it at HK$8,454. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.37°
Pavilion angle39.65°
OriginNatural
Grading LabGIA
CertificateGIA 5563002670
Dimensions6.69 × 4.35 × 2.69 mm
L/W Ratio1.54
Culet sizeNone
Top View
6.69 mm4.35 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563002670
Side View
Table 59.0%Crown 38.37°Girdle: MED-THKPavilion 39.65°Culet: NoneDepth 61.8%

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$8,454 HKD|Low: HK$5,094 HKD|High: HK$8,761 HKD|Avg: HK$6,659 HKD|-3.5%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7HK$5,094 HKD
Retailer 3HK$5,141 HKD
Retailer 6HK$5,204 HKD
Retailer 10HK$5,471 HKD
Retailer 5HK$5,949 HKD
Retailer 8HK$6,693 HKD
Retailer 4HK$7,163 HKD
Retailer 9HK$7,203 HKD
Retailer 2HK$7,555 HKD
Retailer 11HK$7,681 HKD
Frank DarlingHK$8,454 HKD

29 data points across 11 retailers

11 retailersHK$5,094 HKD to HK$8,454 HKD

A
Cheapest Retailer
-
HK$5,094 HKD
A
Retailer 2
-
HK$5,141 HKD
View
B+
Retailer 3
-
HK$5,204 HKD
View
B+
Retailer 4
-
HK$5,471 HKD
View
B+
Retailer 5
-
HK$5,949 HKD
View
B+
Retailer 6
-
HK$6,693 HKD
View
B
Retailer 7
-
HK$7,163 HKD
View
B
Retailer 8
-
HK$7,203 HKD
View
B
Retailer 9
-
HK$7,555 HKD
View
B
Retailer 10
-
HK$7,681 HKD
View
Most Expensive
B
Frank Darling
2671124HK · Nov 6
HK$8,454 HKD
$1,079 USD
View
10 more retailers have this diamond
Prices start from HK$5,094 HKDSave up to HK$3,359 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$5,094 HKD