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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 $55,737 AUD
As of November 6, 2026
Save $29,892 AUD (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $85,630 AUD 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 $55,737 to $85,630, a $29,892 spread on the same certified stone. Ritani lists it at $85,630. 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: $71,454 AUD|Low: $55,737 AUD|High: $85,630 AUD|Avg: $68,945 AUD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Ritani
November 7, 2026
Retailer 7$55,737 AUD
Retailer 6$62,336 AUD
Retailer 5$69,545 AUD
Retailer 8$70,236 AUD
Retailer 3$71,399 AUD
Retailer 1$71,454 AUD
Retailer 2$71,508 AUD
Retailer 4$76,167 AUD
Ritani$85,630 AUD

36 data points across 9 retailers

9 retailers$55,737 AUD to $85,630 AUD

B+
Cheapest Retailer
-
$55,737 AUD
B+
Retailer 2
-
$62,336 AUD
View
B
Retailer 3
-
$69,545 AUD
View
B
Retailer 4
-
$70,236 AUD
View
B
Retailer 5
-
$71,399 AUD
View
B
Retailer 6
-
$71,454 AUD
View
B
Retailer 7
-
$71,508 AUD
View
Final sale: no returns
B
Retailer 8
-
$76,167 AUD
View
Most Expensive
B
Ritani
D-5MEIYH4EEH · Nov 6
$85,630 AUD
$58,836 USD
View
8 more retailers have this diamond
Prices start from $55,737 AUDSave up to $29,892 AUD

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
$55,737 AUD