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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 £609 GBP
As of November 4, 2026
Save £740 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,313 GBP 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: £948 GBP|Low: £514 GBP|High: £1,367 GBP|Avg: £838 GBP|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£609 GBP
Retailer 5£617 GBP
Retailer 7£672 GBP
Retailer 6£694 GBP
Retailer 2£851 GBP
Retailer 1£948 GBP
Retailer 4£1,349 GBP

42 data points across 7 retailers

19 retailers£609 GBP to £1,349 GBP

A
Cheapest Retailer
-
£609 GBP
A
Retailer 2
-
£617 GBP
View
Final sale: no returns
B+
Retailer 3
-
£662 GBP
View
Retailer 4
-
£668 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£668 GBP
View
B+
Retailer 6
-
£668 GBP
View
B+
Retailer 7
-
£672 GBP
View
B+
Retailer 8
-
£675 GBP
View
B+
Retailer 9
-
£694 GBP
View
B+
Retailer 10
-
£771 GBP
View
B+
Retailer 11
-
£817 GBP
View
B+
Retailer 12
-
£817 GBP
View
B+
Retailer 13
-
£829 GBP
View
B+
Retailer 14
-
£840 GBP
View
B+
Retailer 15
-
£851 GBP
View
B+
Retailer 16
-
£948 GBP
View
B
Retailer 17
-
£1,193 GBP
View
B
Retailer 18
-
£1,349 GBP
View
Most Expensive
NZ Jewellers
e7aefe98-76ab-4d69-be75-78b97b380bb5 · Nov 4
£2,313 GBP
$3,113 USD
View
Price under review
18 more retailers have this diamond
Prices start from £609 GBPSave up to £740 GBP

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
£609 GBP