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Heart|Natural|GIA

0.50ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 5553420058

Certificate GIA 5553420058

Diamond specifications and retailer prices

From £357 GBP
As of November 6, 2026
Save £536 GBP (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,213 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553420058. Listed at 12 retailers as of November 1, 2026, with a 150% 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553420058
Dimensions4.76 × 5.55 × 3.11 mm
L/W Ratio1.17
Key to symbols
Feather
Top View
4.76 mm5.55 mm0.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553420058
Side View
Table 62.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 56.1%

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 6
Current: £1,213 GBP|Low: £353 GBP|High: £1,213 GBP|Avg: £557 GBP|+1.2%
NZ Jewellers
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 12£357 GBP
Retailer 3£366 GBP
Retailer 11£387 GBP
Retailer 9£416 GBP
Retailer 10£416 GBP
Retailer 7£446 GBP
Retailer 2£459 GBP
Retailer 5£480 GBP
Retailer 8£484 GBP
Retailer 4£539 GBP
Retailer 6£893 GBP
NZ Jewellers£1,213 GBP

43 data points across 12 retailers

12 retailers£357 GBP to £893 GBP

A
Cheapest Retailer
-
£357 GBP
Final sale: no returns
A
Retailer 2
-
£366 GBP
View
B+
Retailer 3
-
£387 GBP
View
B+
Retailer 4
-
£416 GBP
View
Retailer 5
-
£416 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£446 GBP
View
B+
Retailer 7
-
£459 GBP
View
B+
Retailer 8
-
£480 GBP
View
B+
Retailer 9
-
£484 GBP
View
Retailer 10
-
£539 GBP
View
Price last confirmed 13 days ago
B
Retailer 11
-
£893 GBP
View
Most Expensive
NZ Jewellers
def841a8-7edb-4201-a9f4-eff70ede5f6d · Nov 5
£1,213 GBP
$1,623 USD
View
Price under review
11 more retailers have this diamond
Prices start from £357 GBPSave up to £536 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 Heart
£357 GBP