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Round|Natural|GIA

0.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1543652666

Certificate GIA 1543652666

Diamond specifications and retailer prices

From HK$3,373 HKD
As of November 5, 2026
Save HK$7,194 HKD (68%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: HK$14,655 HKD at NZ Jewellers · As of September 28, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543652666. Listed at 34 retailers as of November 4, 2026, with a 213% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1543652666
Dimensions5.17 × 5.20 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
5.17 mm5.20 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543652666
Side View
Table 57.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°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 5
Current: HK$14,372 HKD|Low: HK$3,373 HKD|High: HK$14,372 HKD|Avg: HK$6,799 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
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 10HK$3,373 HKD
Retailer 14HK$3,813 HKD
Retailer 6HK$4,229 HKD
Retailer 4HK$4,582 HKD
Retailer 2HK$4,762 HKD
Retailer 13HK$4,935 HKD
Retailer 5HK$5,288 HKD
Retailer 7HK$5,476 HKD
Retailer 8HK$5,507 HKD
Retailer 15HK$5,609 HKD
Retailer 9HK$5,672 HKD
Retailer 3HK$6,151 HKD
Retailer 11HK$10,567 HKD
Retailer 12HK$14,247 HKD
NZ JewellersHK$14,372 HKD

38 data points across 15 retailers

34 retailersHK$3,373 HKD to HK$10,567 HKD

A
Cheapest Retailer
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HK$3,373 HKD
A
Retailer 2
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HK$3,813 HKD
View
A
Retailer 3
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HK$4,229 HKD
View
Final sale: no returns
Retailer 4
-
HK$4,582 HKD
View
Price last confirmed 17 days ago
Retailer 5
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HK$4,582 HKD
View
Price last confirmed 26 days ago
A
Retailer 6
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HK$4,582 HKD
View
Retailer 7
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HK$4,676 HKD
View
Price last confirmed 45 days ago
Retailer 8
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HK$4,676 HKD
View
Price last confirmed 29 days ago
Retailer 9
-
HK$4,676 HKD
View
Price last confirmed 36 days ago
A
Retailer 10
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HK$4,762 HKD
View
Retailer 11
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HK$4,935 HKD
View
Price last confirmed 22 days ago
A
Retailer 12
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HK$4,935 HKD
View
Retailer 13
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HK$4,935 HKD
View
Price last confirmed 8 days ago
Retailer 14
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HK$4,935 HKD
View
Price last confirmed 26 days ago
A
Retailer 15
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HK$4,935 HKD
View
Retailer 16
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HK$5,029 HKD
View
Price last confirmed 38 days ago
Retailer 17
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HK$5,029 HKD
View
Price last confirmed 29 days ago
Retailer 18
-
HK$5,288 HKD
View
Price last confirmed 17 days ago
Retailer 19
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HK$5,288 HKD
View
Price last confirmed 26 days ago
A
Retailer 20
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HK$5,288 HKD
View
Retailer 21
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HK$5,390 HKD
View
Price last confirmed 44 days ago
Retailer 22
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HK$5,390 HKD
View
Price last confirmed 38 days ago
Retailer 23
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HK$5,390 HKD
View
Price last confirmed 33 days ago
A
Retailer 24
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HK$5,476 HKD
View
A
Retailer 25
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HK$5,507 HKD
View
A
Retailer 26
-
HK$5,609 HKD
View
A
Retailer 27
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HK$5,672 HKD
View
B
Retailer 28
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HK$10,567 HKD
View
Retailer 29
-
HK$14,247 HKD
View
Price last confirmed 9 days ago
Retailer 30
-
HK$14,372 HKD
View
Price last confirmed 23 days ago
Retailer 31
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HK$14,372 HKD
View
Price last confirmed 17 days ago
Retailer 32
-
HK$14,655 HKD
View
Price last confirmed 46 days ago
Retailer 33
-
HK$14,655 HKD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
3fdfeb68-8f8e-48a3-ae53-72ad3dda1f25 · Sep 28
HK$14,655 HKD
$1,868 USD
View
Price last confirmed 38 days ago
33 more retailers have this diamond
Prices start from HK$3,373 HKDSave up to HK$7,194 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$3,373 HKD