CaratHunter
Plans
Heart|Natural|GIA

1.20ct F SI2 Heart Natural Diamond

ID • F/SI2 • GIA 6541518981

Certificate GIA 6541518981

Diamond specifications and retailer prices

From $3,455 AUD
As of November 5, 2026
8 retailers carry this diamond
Most expensive: $6,868 AUD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541518981. Listed at 8 retailers as of November 5, 2026. 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

1.20
Carat
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle42.8°
OriginNatural
Grading LabGIA
CertificateGIA 6541518981
Dimensions6.52 × 7.30 × 4.40 mm
L/W Ratio1.12
Top View
6.52 mm7.30 mm1.20 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541518981
Side View
Table 58.0%CrownGirdle: MED-VTKPavilion 42.8°Culet: NoneDepth 60.3%

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 5
Current: $3,455 AUD|Low: $2,422 AUD|High: $5,823 AUD|Avg: $3,847 AUD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 12$2,422 AUD
Retailer 11$2,818 AUD
Retailer 13$3,011 AUD
Retailer 9$3,275 AUD
Retailer 7$3,350 AUD
Retailer 14$3,409 AUD
Retailer 1$3,455 AUD
Retailer 2$3,564 AUD
Retailer 16$3,668 AUD
Retailer 5$3,784 AUD
Retailer 6$3,784 AUD
Retailer 4$3,915 AUD
Retailer 3$4,298 AUD
Retailer 10$4,975 AUD
Retailer 8$5,385 AUD
Retailer 15$5,411 AUD

19 data points across 16 retailers

8 retailers

Retailer 1
-
$2,422 AUD
Price last confirmed 24 days ago
Retailer 2
-
$3,275 AUD
View
Price last confirmed 25 days ago
Retailer 3
-
$3,409 AUD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$3,455 AUD
View
Retailer 5
-
$3,668 AUD
View
Price last confirmed 26 days ago
Retailer 6
-
$4,975 AUD
View
Price last confirmed 26 days ago
Retailer 7
-
$5,411 AUD
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
cb63cdcd-c80d-48b3-aec1-6c9d063ecc46 · Sep 25
$6,868 AUD
$4,719 USD
View
Price last confirmed 42 days ago
7 more retailers have this diamond
Prices start from $3,455 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
1.20ct Heart
$3,455 AUD