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Heart|Natural|GIA

3.50ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 2566294249

Certificate GIA 2566294249

Diamond specifications and retailer prices

From £28,612 GBP
As of November 6, 2026
Save £15,345 GBP (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £43,957 GBP at Ritani · As of November 6, 2026
View at Ritani

About this 3.5ct natural heart diamond

This 3.5ct natural heart sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566294249. Listed at 9 retailers as of November 6, 2026, with prices from £28,612 to £43,957, a £15,345 spread on the same certified stone. Ritani lists it at £43,957. 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

3.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.55°
Pavilion angle41.97°
OriginNatural
Grading LabGIA
CertificateGIA 2566294249
Dimensions9.09 × 10.54 × 6.19 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.09 mm10.54 mm3.50 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566294249
Side View
Table 60.0%Crown 35.55°Girdle: STK-VTKPavilion 41.97°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £36,708 GBP|Low: £28,612 GBP|High: £43,957 GBP|Avg: £35,367 GBP|+9.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Ritani
November 6, 2026
Retailer 7£28,612 GBP
Retailer 6£31,999 GBP
Retailer 5£35,700 GBP
Retailer 8£36,055 GBP
Retailer 4£36,368 GBP
Retailer 2£36,652 GBP
Retailer 1£36,708 GBP
Retailer 3£39,099 GBP
Ritani£43,957 GBP

35 data points across 9 retailers

9 retailers£28,612 GBP to £43,957 GBP

B+
Cheapest Retailer
-
£28,612 GBP
B+
Retailer 2
-
£31,999 GBP
View
B
Retailer 3
-
£35,700 GBP
View
B
Retailer 4
-
£36,055 GBP
View
B
Retailer 5
-
£36,368 GBP
View
B
Retailer 6
-
£36,652 GBP
View
B
Retailer 7
-
£36,708 GBP
View
Final sale: no returns
B
Retailer 8
-
£39,099 GBP
View
Most Expensive
B
Ritani
D-5MEIYH4EEH · Nov 6
£43,957 GBP
$58,836 USD
View
8 more retailers have this diamond
Prices start from £28,612 GBPSave up to £15,345 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.

B+
3.50ct Heart
£28,612 GBP