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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 $1,137 NZD
As of October 31, 2026
Save $3,793 NZD (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,929 NZD 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 $1,137 to $4,929, a $3,793 spread on the same certified stone. NZ Jewellers lists it at $4,929. 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: $2,023 NZD|Low: $1,133 NZD|High: $2,892 NZD|Avg: $1,830 NZD|-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 11$1,137 NZD
Retailer 12$1,160 NZD
Retailer 4$1,450 NZD
Retailer 9$1,512 NZD
Retailer 5$1,601 NZD
Retailer 2$1,758 NZD
Retailer 6$1,809 NZD
Retailer 3$1,859 NZD
Retailer 7$1,966 NZD
Retailer 1$2,023 NZD
Retailer 8$2,426 NZD
Retailer 10$2,875 NZD

28 data points across 12 retailers

24 retailers$1,137 NZD to $4,929 NZD

A
Cheapest Retailer
-
$1,137 NZD
A
Retailer 2
-
$1,160 NZD
View
A
Retailer 3
-
$1,404 NZD
View
B+
Retailer 4
-
$1,450 NZD
View
Final sale: no returns
B+
Retailer 5
-
$1,512 NZD
View
B+
Retailer 6
-
$1,573 NZD
View
B+
Retailer 7
-
$1,590 NZD
View
B+
Retailer 8
-
$1,601 NZD
View
B+
Retailer 9
-
$1,633 NZD
View
B+
Retailer 10
-
$1,758 NZD
View
B+
Retailer 11
-
$1,807 NZD
View
B+
Retailer 12
-
$1,809 NZD
View
B+
Retailer 13
-
$1,814 NZD
View
B
Retailer 14
-
$1,859 NZD
View
B+
Retailer 15
-
$1,939 NZD
View
B+
Retailer 16
-
$1,966 NZD
View
B+
Retailer 17
-
$2,023 NZD
View
B+
Retailer 18
-
$2,081 NZD
View
B
Retailer 19
-
$2,359 NZD
View
Retailer 20
-
$2,362 NZD
View
Price last confirmed 33 days ago
B
Retailer 21
-
$2,426 NZD
View
B
Retailer 22
-
$2,875 NZD
View
B
Retailer 23
-
$3,271 NZD
View
Most Expensive
B
NZ Jewellers
e0159d74-02fa-4072-a3b9-2aa353d35d88 · Nov 4
$4,929 NZD
$2,771 USD
View
23 more retailers have this diamond
Prices start from $1,137 NZDSave up to $3,793 NZD

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
$1,137 NZD