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Round|Natural|GIA

0.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 7566014304

Certificate GIA 7566014304

Diamond specifications and retailer prices

From HK$4,982 HKD
As of November 4, 2026
Save HK$5,915 HKD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$18,695 HKD at NZ Jewellers · As of October 30, 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 7566014304. Listed at 15 retailers as of November 4, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7566014304
Dimensions5.14 × 5.15 × 3.12 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.14 mm5.15 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566014304
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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 4
Current: HK$18,695 HKD|Low: HK$4,982 HKD|High: HK$18,695 HKD|Avg: HK$8,489 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4HK$4,982 HKD
Retailer 3HK$5,099 HKD
Retailer 12HK$5,397 HKD
Retailer 11HK$5,609 HKD
Retailer 10HK$6,229 HKD
Retailer 7HK$7,053 HKD
Retailer 5HK$7,571 HKD
Retailer 2HK$7,665 HKD
Retailer 6HK$8,402 HKD
Retailer 8HK$10,897 HKD
Retailer 9HK$15,337 HKD
NZ JewellersHK$18,695 HKD

37 data points across 12 retailers

15 retailersHK$4,982 HKD to HK$10,897 HKD

A
Cheapest Retailer
-
HK$4,982 HKD
Final sale: no returns
A
Retailer 2
-
HK$5,099 HKD
View
A
Retailer 3
-
HK$5,303 HKD
View
Retailer 4
-
HK$5,397 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$5,609 HKD
View
Retailer 6
-
HK$6,229 HKD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
HK$6,245 HKD
View
B+
Retailer 8
-
HK$6,582 HKD
View
B
Retailer 9
-
HK$7,053 HKD
View
B+
Retailer 10
-
HK$7,571 HKD
View
B+
Retailer 11
-
HK$7,665 HKD
View
B
Retailer 12
-
HK$8,402 HKD
View
B
Retailer 13
-
HK$10,897 HKD
View
Retailer 14
-
HK$15,337 HKD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
059eba3d-1a56-451c-8931-93f566e049ed · Oct 30
HK$18,695 HKD
$2,383 USD
View
Price under review
14 more retailers have this diamond
Prices start from HK$4,982 HKDSave up to HK$5,915 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$4,982 HKD