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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 $1,459 NZD
As of November 4, 2026
Save $1,772 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,538 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 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: $2,270 NZD|Low: $1,231 NZD|High: $3,273 NZD|Avg: $2,006 NZD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,459 NZD
Retailer 5$1,476 NZD
Retailer 7$1,610 NZD
Retailer 6$1,661 NZD
Retailer 2$2,037 NZD
Retailer 1$2,270 NZD
Retailer 4$3,230 NZD

42 data points across 7 retailers

19 retailers$1,459 NZD to $3,230 NZD

A
Cheapest Retailer
-
$1,459 NZD
A
Retailer 2
-
$1,476 NZD
View
Final sale: no returns
B+
Retailer 3
-
$1,585 NZD
View
Retailer 4
-
$1,599 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,599 NZD
View
B+
Retailer 6
-
$1,599 NZD
View
B+
Retailer 7
-
$1,610 NZD
View
B+
Retailer 8
-
$1,617 NZD
View
B+
Retailer 9
-
$1,661 NZD
View
B+
Retailer 10
-
$1,846 NZD
View
B+
Retailer 11
-
$1,957 NZD
View
B+
Retailer 12
-
$1,957 NZD
View
B+
Retailer 13
-
$1,985 NZD
View
B+
Retailer 14
-
$2,010 NZD
View
B+
Retailer 15
-
$2,037 NZD
View
B+
Retailer 16
-
$2,270 NZD
View
B
Retailer 17
-
$2,857 NZD
View
B
Retailer 18
-
$3,230 NZD
View
Most Expensive
NZ Jewellers
e7aefe98-76ab-4d69-be75-78b97b380bb5 · Nov 4
$5,538 NZD
$3,113 USD
View
Price under review
18 more retailers have this diamond
Prices start from $1,459 NZDSave up to $1,772 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
$1,459 NZD