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Heart|Natural|GIA

0.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2547056530

Certificate GIA 2547056530

Diamond specifications and retailer prices

From £251 GBP
As of November 6, 2026
Save £87 GBP (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £338 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547056530. Listed at 4 retailers as of November 5, 2026, with prices from £251 to £338, a £87 spread on the same certified stone. Blue Nile lists it at £338. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547056530
Dimensions4.87 × 5.56 × 3.26 mm
L/W Ratio1.14
Top View
4.87 mm5.56 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2547056530
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.7%

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: £338 GBP|Low: £230 GBP|High: £387 GBP|Avg: £306 GBP|-12.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£251 GBP
Retailer 4£267 GBP
Retailer 2£335 GBP
Blue Nile£338 GBP

40 data points across 4 retailers

4 retailers£251 GBP to £338 GBP

A
Cheapest Retailer
-
£251 GBP
Final sale: no returns
A
Retailer 2
-
£267 GBP
View
A
Retailer 3
-
£335 GBP
View
Most Expensive
B+
Blue Nile
27349697 · Nov 5
£338 GBP
$453 USD
View
3 more retailers have this diamond
Prices start from £251 GBPSave up to £87 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
£251 GBP