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Round|Natural|GIA

0.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2516766683

Certificate GIA 2516766683

Diamond specifications and retailer prices

From $1,171 AUD
As of November 4, 2026
Save $1,423 AUD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,447 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2516766683. Listed at 19 retailers as of November 4, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2516766683
Dimensions5.15 × 5.12 × 3.10 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
5.15 mm5.12 mm0.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516766683
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.4%

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 4
Current: $1,823 AUD|Low: $989 AUD|High: $2,628 AUD|Avg: $1,611 AUD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,171 AUD
Retailer 5$1,186 AUD
Retailer 7$1,293 AUD
Retailer 6$1,334 AUD
Retailer 2$1,636 AUD
Retailer 1$1,823 AUD
Retailer 4$2,594 AUD

42 data points across 7 retailers

19 retailers$1,171 AUD to $2,594 AUD

A
Cheapest Retailer
-
$1,171 AUD
A
Retailer 2
-
$1,186 AUD
View
Final sale: no returns
B+
Retailer 3
-
$1,273 AUD
View
Retailer 4
-
$1,284 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,284 AUD
View
B+
Retailer 6
-
$1,284 AUD
View
B+
Retailer 7
-
$1,293 AUD
View
B+
Retailer 8
-
$1,299 AUD
View
B+
Retailer 9
-
$1,334 AUD
View
B+
Retailer 10
-
$1,483 AUD
View
B+
Retailer 11
-
$1,571 AUD
View
B+
Retailer 12
-
$1,571 AUD
View
B+
Retailer 13
-
$1,594 AUD
View
B+
Retailer 14
-
$1,614 AUD
View
B+
Retailer 15
-
$1,636 AUD
View
B+
Retailer 16
-
$1,823 AUD
View
B
Retailer 17
-
$2,294 AUD
View
B
Retailer 18
-
$2,594 AUD
View
Most Expensive
NZ Jewellers
e7aefe98-76ab-4d69-be75-78b97b380bb5 · Nov 4
$4,447 AUD
$3,113 USD
View
Price under review
18 more retailers have this diamond
Prices start from $1,171 AUDSave up to $1,423 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
$1,171 AUD