Heart|Natural|GIA

1.51ct F I1 Heart Natural Diamond

ID • F/I1 • GIA 6471888355

Certificate GIA 6471888355

Diamond specifications and retailer prices

From $4,523 AUD
$3,170 USD
As of November 1, 2026
Save $4,356 AUD (49%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,880 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6471888355. Listed at 6 retailers as of October 30, 2026, with prices from $4,523 to $8,880, a $4,356 spread on the same certified stone. NZ Jewellers lists it at $8,880. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6471888355
Dimensions7.02 × 7.91 × 4.56 mm
L/W Ratio1.13
Top View
7.02 mm7.91 mm1.51 ctF / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6471888355
Side View
Table 56.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.6%

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 1
Current: $8,880 AUD|Low: $3,621 AUD|High: $9,014 AUD|Avg: $5,924 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 1, 2026
Retailer 4$3,621 AUD
Retailer 5$4,523 AUD
Retailer 9$4,576 AUD
Retailer 6$5,097 AUD
Retailer 7$5,097 AUD
Retailer 2$5,292 AUD
Retailer 11$5,831 AUD
Retailer 8$5,880 AUD
Retailer 10$6,065 AUD
Retailer 3$6,328 AUD
NZ Jewellers$8,880 AUD
Retailer 12$9,014 AUD

3 data points across 12 retailers

6 retailers$4,523 AUD to $8,880 AUD

A
Cheapest Retailer
-
$4,523 AUD
$3,170 USD
A
Retailer 2
-
$5,097 AUD
$3,572 USD
View
A
Retailer 3
-
$5,097 AUD
$3,572 USD
View
A
Retailer 4
-
$5,292 AUD
$3,709 USD
View
A
Retailer 5
-
$5,880 AUD
$4,121 USD
View
Most Expensive
B+
NZ Jewellers
40bc5249-e502-4a6b-ad99-4886f6461216 · Oct 30
$8,880 AUD
$6,223 USD
View
5 more retailers have this diamond
Prices start from $4,523 AUDSave up to $4,356 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
1.51ct Heart
$4,523 AUD