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Round|Natural|GIA

0.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1433817949

Certificate GIA 1433817949

Diamond specifications and retailer prices

From HK$5,013 HKD
As of October 31, 2026
Save HK$16,726 HKD (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$21,739 HKD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1433817949. Listed at 24 retailers as of October 31, 2026, with prices from HK$5,013 to HK$21,739, a HK$16,726 spread on the same certified stone. NZ Jewellers lists it at HK$21,739. 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

0.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1433817949
Dimensions5.10 × 5.08 × 3.13 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
5.10 mm5.08 mm0.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1433817949
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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: Oct 31
Current: HK$8,920 HKD|Low: HK$4,997 HKD|High: HK$12,756 HKD|Avg: HK$8,070 HKD|-1.7%
Retailer 1
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 11HK$5,013 HKD
Retailer 12HK$5,115 HKD
Retailer 4HK$6,394 HKD
Retailer 9HK$6,668 HKD
Retailer 5HK$7,061 HKD
Retailer 2HK$7,751 HKD
Retailer 6HK$7,979 HKD
Retailer 3HK$8,198 HKD
Retailer 7HK$8,669 HKD
Retailer 1HK$8,920 HKD
Retailer 8HK$10,701 HKD
Retailer 10HK$12,678 HKD

28 data points across 12 retailers

24 retailersHK$5,013 HKD to HK$21,739 HKD

A
Cheapest Retailer
-
HK$5,013 HKD
A
Retailer 2
-
HK$5,115 HKD
View
A
Retailer 3
-
HK$6,190 HKD
View
B+
Retailer 4
-
HK$6,394 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$6,668 HKD
View
B+
Retailer 6
-
HK$6,935 HKD
View
B+
Retailer 7
-
HK$7,014 HKD
View
B+
Retailer 8
-
HK$7,061 HKD
View
B+
Retailer 9
-
HK$7,202 HKD
View
B+
Retailer 10
-
HK$7,751 HKD
View
B+
Retailer 11
-
HK$7,971 HKD
View
B+
Retailer 12
-
HK$7,979 HKD
View
B+
Retailer 13
-
HK$8,002 HKD
View
B
Retailer 14
-
HK$8,198 HKD
View
B+
Retailer 15
-
HK$8,551 HKD
View
B+
Retailer 16
-
HK$8,669 HKD
View
B+
Retailer 17
-
HK$8,920 HKD
View
B+
Retailer 18
-
HK$9,179 HKD
View
B
Retailer 19
-
HK$10,403 HKD
View
Retailer 20
-
HK$10,418 HKD
View
Price last confirmed 33 days ago
B
Retailer 21
-
HK$10,701 HKD
View
B
Retailer 22
-
HK$12,678 HKD
View
B
Retailer 23
-
HK$14,427 HKD
View
Most Expensive
B
NZ Jewellers
e0159d74-02fa-4072-a3b9-2aa353d35d88 · Nov 4
HK$21,739 HKD
$2,771 USD
View
23 more retailers have this diamond
Prices start from HK$5,013 HKDSave up to HK$16,726 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
0.50ct Round
HK$5,013 HKD