Round|Natural|GIA

0.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2516766683

Certificate GIA 2516766683

Diamond specifications and retailer prices

From $820 USD
As of November 4, 2026
Save $996 USD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,113 USD 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
Color
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: $1,276 USD|Low: $692 USD|High: $1,840 USD|Avg: $1,128 USD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$820 USD
Retailer 5$830 USD
Retailer 7$905 USD
Retailer 6$934 USD
Retailer 2$1,145 USD
Retailer 1$1,276 USD
Retailer 4$1,816 USD

42 data points across 7 retailers

19 retailers$820 USD to $1,816 USD

A
Cheapest Retailer
-
$820 USD
A
Retailer 2
-
$830 USD
View
Final sale: no returns
B+
Retailer 3
-
$891 USD
View
Retailer 4
-
$899 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$899 USD
View
B+
Retailer 6
-
$899 USD
View
B+
Retailer 7
-
$905 USD
View
B+
Retailer 8
-
$909 USD
View
B+
Retailer 9
-
$934 USD
View
B+
Retailer 10
-
$1,038 USD
View
B+
Retailer 11
-
$1,100 USD
View
B+
Retailer 12
-
$1,100 USD
View
B+
Retailer 13
-
$1,116 USD
View
B+
Retailer 14
-
$1,130 USD
View
B+
Retailer 15
-
$1,145 USD
View
B+
Retailer 16
-
$1,276 USD
View
B
Retailer 17
-
$1,606 USD
View
B
Retailer 18
-
$1,816 USD
View
Most Expensive
NZ Jewellers
e7aefe98-76ab-4d69-be75-78b97b380bb5 · Nov 4
$3,113 USD
View
Price under review
18 more retailers have this diamond
Prices start from $820 USDSave up to $996 USD

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
$820 USD