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0.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6562618778

Certificate GIA 6562618778

Diamond specifications and retailer prices

From HK$2,863 HKD
As of November 6, 2026
Save HK$8,247 HKD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$11,111 HKD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562618778. Listed at 10 retailers as of November 5, 2026, with prices from HK$2,863 to HK$11,111, a HK$8,247 spread on the same certified stone. Diamond Exchange Canada lists it at HK$11,111. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562618778
Dimensions5.18 × 5.20 × 3.12 mm
L/W Ratio1.00
Top View
5.18 mm5.20 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562618778
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.1%

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$11,111 HKD|Low: HK$2,863 HKD|High: HK$11,648 HKD|Avg: HK$5,209 HKD|-4.6%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2HK$2,863 HKD
Retailer 8HK$3,311 HKD
Retailer 10HK$3,311 HKD
Retailer 6HK$3,522 HKD
Retailer 7HK$3,570 HKD
Retailer 3HK$4,095 HKD
Retailer 5HK$5,296 HKD
Retailer 9HK$5,382 HKD
Retailer 4HK$6,245 HKD
Diamond Exchange CanadaHK$11,111 HKD

24 data points across 10 retailers

10 retailersHK$2,863 HKD to HK$11,111 HKD

A
Cheapest Retailer
-
HK$2,863 HKD
A
Retailer 2
-
HK$3,311 HKD
View
A
Retailer 3
-
HK$3,311 HKD
View
A
Retailer 4
-
HK$3,522 HKD
View
A
Retailer 5
-
HK$3,570 HKD
View
A
Retailer 6
-
HK$4,095 HKD
View
A
Retailer 7
-
HK$5,296 HKD
View
B+
Retailer 8
-
HK$5,382 HKD
View
B+
Retailer 9
-
HK$6,245 HKD
View
Most Expensive
B
Diamond Exchange Canada
1992904917 · Nov 5
HK$11,111 HKD
CA$1,967 CAD
View
9 more retailers have this diamond
Prices start from HK$2,863 HKDSave up to HK$8,247 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 Round
HK$2,863 HKD