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0.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2527091058

Shape and cutting style on the report: Round brilliant

Certificate GIA 2527091058

Diamond specifications and retailer prices

From HK$3,687 HKD
As of November 5, 2026
Save HK$12,584 HKD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$16,271 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 2527091058. Listed at 16 retailers as of November 4, 2026, with prices from HK$3,687 to HK$16,271, a HK$12,584 spread on the same certified stone. NZ Jewellers lists it at HK$16,271. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2527091058
Dimensions5.19 × 5.16 × 3.12 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.19 mm5.16 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527091058
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.3%

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$7,531 HKD|Low: HK$3,687 HKD|High: HK$12,105 HKD|Avg: HK$6,620 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5HK$3,687 HKD
Retailer 8HK$4,786 HKD
Retailer 2HK$5,296 HKD
Retailer 7HK$6,292 HKD
Retailer 3HK$6,300 HKD
Retailer 4HK$6,684 HKD
Retailer 1HK$7,531 HKD
Retailer 6HK$11,964 HKD

30 data points across 8 retailers

16 retailersHK$3,687 HKD to HK$16,271 HKD

A
Cheapest Retailer
-
HK$3,687 HKD
A
Retailer 2
-
HK$4,315 HKD
View
A
Retailer 3
-
HK$4,786 HKD
View
Final sale: no returns
Retailer 4
-
HK$5,186 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$5,186 HKD
View
Retailer 6
-
HK$5,296 HKD
View
A
Retailer 7
-
HK$5,390 HKD
View
A
Retailer 8
-
HK$5,986 HKD
View
A
Retailer 9
-
HK$6,221 HKD
View
B+
Retailer 10
-
HK$6,292 HKD
View
B+
Retailer 11
-
HK$6,300 HKD
View
B+
Retailer 12
-
HK$6,684 HKD
View
B+
Retailer 13
-
HK$7,531 HKD
View
B+
Retailer 14
-
HK$8,991 HKD
View
B
Retailer 15
-
HK$11,964 HKD
View
Most Expensive
B
NZ Jewellers
33438e9f-19f0-400a-ad8a-405be916de28 · Nov 4
HK$16,271 HKD
$2,074 USD
View
15 more retailers have this diamond
Prices start from HK$3,687 HKDSave up to HK$12,584 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$3,687 HKD