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Heart|Natural|GIA

1.51ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 2235669195

Certificate GIA 2235669195

Diamond specifications and retailer prices

From $6,737 AUD
£3,718 GBP
As of November 2, 2026
Save $5,307 AUD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,044 AUD at NZ Jewellers · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235669195. Listed at 8 retailers as of November 2, 2026, with prices from $6,737 to $12,044, a $5,307 spread on the same certified stone. NZ Jewellers lists it at $12,044. 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.37°
Pavilion angle40.08°
OriginNatural
Grading LabGIA
CertificateGIA 2235669195
Dimensions7.04 × 7.83 × 4.69 mm
L/W Ratio1.11
Top View
7.04 mm7.83 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235669195
Side View
Table 61.0%Crown 38.37°Girdle: Thick to Very ThickPavilion 40.08°Culet: NoneDepth 59.9%

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 2
Current: $12,044 AUD|Low: $6,585 AUD|High: $12,209 AUD|Avg: $8,174 AUD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$6,585 AUD
Retailer 2$6,737 AUD
Retailer 9$6,771 AUD
Retailer 6$7,202 AUD
Retailer 7$7,202 AUD
Retailer 8$7,259 AUD
Retailer 10$7,383 AUD
Retailer 12$7,951 AUD
Retailer 4$7,969 AUD
Retailer 3$8,133 AUD
Retailer 5$11,469 AUD
NZ Jewellers$12,044 AUD

34 data points across 12 retailers

8 retailers$6,737 AUD to $12,044 AUD

A
Cheapest Retailer
-
$6,737 AUD
£3,718 GBP
A
Retailer 2
-
$6,771 AUD
$4,745 USD
View
A
Retailer 3
-
$7,202 AUD
$5,047 USD
View
A
Retailer 4
-
$7,202 AUD
$5,047 USD
View
Retailer 5
-
$7,259 AUD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
$7,383 AUD
$5,174 USD
View
B
Retailer 7
-
$11,469 AUD
£6,329 GBP
View
Most Expensive
B
NZ Jewellers
acbcf805-635b-40e7-9d17-ba5213ca6575 · Nov 3
$12,044 AUD
$8,441 USD
View
7 more retailers have this diamond
Prices start from $6,737 AUDSave up to $5,307 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
$6,737 AUD