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Round|Natural|GIA

0.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 5523508612

Certificate GIA 5523508612

Diamond specifications and retailer prices

From HK$6,009 HKD
As of November 4, 2026
Save HK$16,514 HKD (73%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$22,524 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5523508612. Listed at 25 retailers as of November 4, 2026, with prices from HK$6,009 to HK$22,524, a HK$16,514 spread on the same certified stone. NZ Jewellers lists it at HK$22,524. 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
FluorescenceNone
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5523508612
Dimensions5.21 × 5.19 × 3.13 mm
L/W Ratio1.00
Top View
5.21 mm5.19 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5523508612
Side View
Table 58.0%Crown 31.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$10,426 HKD|Low: HK$6,009 HKD|High: HK$16,389 HKD|Avg: HK$9,790 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2HK$6,009 HKD
Retailer 6HK$6,315 HKD
Retailer 9HK$6,504 HKD
Retailer 10HK$7,539 HKD
Retailer 3HK$8,269 HKD
Retailer 4HK$9,014 HKD
Retailer 5HK$10,058 HKD
Retailer 1HK$10,426 HKD
Retailer 7HK$13,141 HKD
Retailer 8HK$16,334 HKD

35 data points across 10 retailers

25 retailersHK$6,009 HKD to HK$22,524 HKD

A
Cheapest Retailer
-
HK$6,009 HKD
Final sale: no returns
A
Retailer 2
-
HK$6,315 HKD
View
Retailer 3
-
HK$6,504 HKD
View
Price last confirmed 50 days ago
Retailer 4
-
HK$6,504 HKD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$6,504 HKD
View
Price last confirmed 29 days ago
Retailer 6
-
HK$6,504 HKD
View
Price last confirmed 21 days ago
Retailer 7
-
HK$6,504 HKD
View
Price last confirmed 15 days ago
A
Retailer 8
-
HK$6,590 HKD
View
Retailer 9
-
HK$6,755 HKD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
HK$7,312 HKD
View
Retailer 11
-
HK$7,508 HKD
View
Price last confirmed 45 days ago
Retailer 12
-
HK$7,508 HKD
View
Price last confirmed 28 days ago
Retailer 13
-
HK$7,508 HKD
View
Price last confirmed 17 days ago
B+
Retailer 14
-
HK$7,508 HKD
View
B+
Retailer 15
-
HK$7,539 HKD
View
B+
Retailer 16
-
HK$8,269 HKD
View
B+
Retailer 17
-
HK$9,014 HKD
View
B+
Retailer 18
-
HK$10,058 HKD
View
B+
Retailer 19
-
HK$10,426 HKD
View
B
Retailer 20
-
HK$13,141 HKD
View
Retailer 21
-
HK$16,334 HKD
View
Price last confirmed 9 days ago
Retailer 22
-
HK$22,524 HKD
View
Price last confirmed 43 days ago
Retailer 23
-
HK$22,524 HKD
View
Price last confirmed 46 days ago
Retailer 24
-
HK$22,524 HKD
View
Price last confirmed 17 days ago
Most Expensive
B
NZ Jewellers
98bdf900-743a-4c3e-a8a6-5cf944981c18 · Nov 4
HK$22,524 HKD
$2,871 USD
View
24 more retailers have this diamond
Prices start from HK$6,009 HKDSave up to HK$16,514 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$6,009 HKD