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Heart|Natural|GIA

0.51ct F SI1 Heart Natural Diamond

GD • F/SI1 • GIA 6532004595

Certificate GIA 6532004595

Diamond specifications and retailer prices

From £300 GBP
As of November 6, 2026
Save £85 GBP (22%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £385 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6532004595. Listed at 4 retailers as of November 6, 2026, with prices from £300 to £385, a £85 spread on the same certified stone. 77 Diamonds lists it at £385. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6532004595
Dimensions4.89 × 5.75 × 3.24 mm
L/W Ratio1.18
Top View
4.89 mm5.75 mm0.51 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6532004595
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £385 GBP|Low: £281 GBP|High: £429 GBP|Avg: £342 GBP|-8.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2£300 GBP
Retailer 3£312 GBP
Retailer 4£337 GBP
77 Diamonds£385 GBP

41 data points across 4 retailers

4 retailers£300 GBP to £385 GBP

A
Cheapest Retailer
-
£300 GBP
A
Retailer 2
-
£312 GBP
View
Final sale: no returns
B+
Retailer 3
-
£337 GBP
View
Most Expensive
B+
77 Diamonds
HSCPKNKKDNVM · Nov 6
£385 GBP
View
3 more retailers have this diamond
Prices start from £300 GBPSave up to £85 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
0.51ct Heart
£300 GBP