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Heart|Natural|GIA

0.54ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2517925713

Certificate GIA 2517925713

Diamond specifications and retailer prices

From £272 GBP
As of November 6, 2026
Save £91 GBP (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £363 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.54ct natural heart diamond

This 0.54ct 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 2517925713. Listed at 4 retailers as of November 6, 2026, with prices from £272 to £363, a £91 spread on the same certified stone. 77 Diamonds lists it at £363. 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

0.54
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2517925713
Dimensions5.13 × 5.72 × 3.33 mm
L/W Ratio1.12
Top View
5.13 mm5.72 mm0.54 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2517925713
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.2%

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: £363 GBP|Low: £245 GBP|High: £412 GBP|Avg: £325 GBP|-0.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2£272 GBP
Retailer 4£291 GBP
Retailer 3£362 GBP
77 Diamonds£363 GBP

41 data points across 4 retailers

4 retailers£272 GBP to £363 GBP

A
Cheapest Retailer
-
£272 GBP
Final sale: no returns
A
Retailer 2
-
£291 GBP
View
B+
Retailer 3
-
£362 GBP
View
Most Expensive
B+
77 Diamonds
HSCPSTZ4XEJ4 · Nov 6
£363 GBP
View
3 more retailers have this diamond
Prices start from £272 GBPSave up to £91 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
0.54ct Heart
£272 GBP