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0.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2567223287

Certificate GIA 2567223287

Diamond specifications and retailer prices

From HK$2,973 HKD
As of November 6, 2026
Save HK$9,807 HKD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$12,780 HKD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

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 2567223287. Listed at 16 retailers as of November 4, 2026, with prices from HK$2,973 to HK$12,780, a HK$9,807 spread on the same certified stone. NZ Jewellers lists it at HK$12,780. 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
FluorescenceMedium
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2567223287
Dimensions5.11 × 5.13 × 3.13 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
5.11 mm5.13 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2567223287
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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$12,780 HKD|Low: HK$2,973 HKD|High: HK$13,211 HKD|Avg: HK$5,462 HKD|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 2HK$2,973 HKD
Retailer 15HK$3,413 HKD
Retailer 5HK$3,758 HKD
Retailer 6HK$4,072 HKD
Retailer 9HK$4,236 HKD
Retailer 7HK$4,315 HKD
Retailer 14HK$4,385 HKD
Retailer 4HK$4,699 HKD
Retailer 10HK$4,699 HKD
Retailer 13HK$5,029 HKD
Retailer 11HK$5,131 HKD
Retailer 8HK$5,241 HKD
Retailer 12HK$5,468 HKD
Retailer 3HK$9,391 HKD
NZ JewellersHK$12,780 HKD

32 data points across 15 retailers

16 retailersHK$2,973 HKD to HK$12,780 HKD

A
Cheapest Retailer
-
HK$2,973 HKD
A
Retailer 2
-
HK$3,413 HKD
View
A
Retailer 3
-
HK$3,758 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$4,072 HKD
View
A
Retailer 5
-
HK$4,236 HKD
View
A
Retailer 6
-
HK$4,315 HKD
View
A
Retailer 7
-
HK$4,385 HKD
View
A
Retailer 8
-
HK$4,699 HKD
View
A
Retailer 9
-
HK$4,699 HKD
View
A
Retailer 10
-
HK$5,029 HKD
View
A
Retailer 11
-
HK$5,131 HKD
View
A
Retailer 12
-
HK$5,241 HKD
View
B+
Retailer 13
-
HK$5,311 HKD
View
B+
Retailer 14
-
HK$5,468 HKD
View
B
Retailer 15
-
HK$9,391 HKD
View
Most Expensive
B
NZ Jewellers
cb82a508-45f8-47d3-b045-88e028bda487 · Nov 4
HK$12,780 HKD
$1,629 USD
View
15 more retailers have this diamond
Prices start from HK$2,973 HKDSave up to HK$9,807 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$2,973 HKD