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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 $913 AUD
As of October 31, 2026
Save $3,046 AUD (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,958 AUD 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 $913 to $3,958, a $3,046 spread on the same certified stone. NZ Jewellers lists it at $3,958. 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: $1,624 AUD|Low: $910 AUD|High: $2,323 AUD|Avg: $1,469 AUD|-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$913 AUD
Retailer 12$931 AUD
Retailer 4$1,164 AUD
Retailer 9$1,214 AUD
Retailer 5$1,286 AUD
Retailer 2$1,411 AUD
Retailer 6$1,453 AUD
Retailer 3$1,493 AUD
Retailer 7$1,578 AUD
Retailer 1$1,624 AUD
Retailer 8$1,948 AUD
Retailer 10$2,308 AUD

28 data points across 12 retailers

24 retailers$913 AUD to $3,958 AUD

A
Cheapest Retailer
-
$913 AUD
A
Retailer 2
-
$931 AUD
View
A
Retailer 3
-
$1,127 AUD
View
B+
Retailer 4
-
$1,164 AUD
View
Final sale: no returns
B+
Retailer 5
-
$1,214 AUD
View
B+
Retailer 6
-
$1,263 AUD
View
B+
Retailer 7
-
$1,277 AUD
View
B+
Retailer 8
-
$1,286 AUD
View
B+
Retailer 9
-
$1,311 AUD
View
B+
Retailer 10
-
$1,411 AUD
View
B+
Retailer 11
-
$1,451 AUD
View
B+
Retailer 12
-
$1,453 AUD
View
B+
Retailer 13
-
$1,457 AUD
View
B
Retailer 14
-
$1,493 AUD
View
B+
Retailer 15
-
$1,557 AUD
View
B+
Retailer 16
-
$1,578 AUD
View
B+
Retailer 17
-
$1,624 AUD
View
B+
Retailer 18
-
$1,671 AUD
View
B
Retailer 19
-
$1,894 AUD
View
Retailer 20
-
$1,897 AUD
View
Price last confirmed 33 days ago
B
Retailer 21
-
$1,948 AUD
View
B
Retailer 22
-
$2,308 AUD
View
B
Retailer 23
-
$2,627 AUD
View
Most Expensive
B
NZ Jewellers
e0159d74-02fa-4072-a3b9-2aa353d35d88 · Nov 4
$3,958 AUD
$2,771 USD
View
23 more retailers have this diamond
Prices start from $913 AUDSave up to $3,046 AUD

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
$913 AUD