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Heart|Natural|GIA

1.31ct F SI2 Heart Natural Diamond

GD • F/SI2 • GIA 6545175902

Certificate GIA 6545175902

Diamond specifications and retailer prices

From $2,809 AUD
As of November 6, 2026
Save $992 AUD (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,801 AUD at GemTrove · As of November 7, 2026
View at GemTrove

About this 1.31ct natural heart diamond

This 1.31ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6545175902. Listed at 4 retailers as of November 6, 2026, with prices from $2,809 to $3,801, a $992 spread on the same certified stone. GemTrove lists it at $3,801. 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

1.31
Carat
F
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545175902
Dimensions6.85 × 7.61 × 4.51 mm
L/W Ratio1.11
Top View
6.85 mm7.61 mm1.31 ctF / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545175902
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,801 AUD|Low: $2,566 AUD|High: $3,801 AUD|Avg: $3,278 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3$2,809 AUD
Retailer 2$2,828 AUD
Retailer 4$3,234 AUD
GemTrove$3,801 AUD

7 data points across 4 retailers

4 retailers$2,809 AUD to $3,801 AUD

A
Cheapest Retailer
-
$2,809 AUD
A
Retailer 2
-
$2,828 AUD
View
Final sale: no returns
A
Retailer 3
-
$3,234 AUD
View
Most Expensive
B+
GemTrove
GT-N-01269190-98 · Nov 7
$3,801 AUD
View
3 more retailers have this diamond
Prices start from $2,809 AUDSave up to $992 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.

A
1.31ct Heart
$2,809 AUD