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Heart|Natural|GIA

0.81ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6531953926

Certificate GIA 6531953926

Diamond specifications and retailer prices

From $1,027 AUD
₹68,540 INR
As of November 2, 2026
Save $3,281 AUD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,308 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-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 6531953926. Listed at 21 retailers as of November 2, 2026, with prices from $1,027 to $4,308, a $3,281 spread on the same certified stone. NZ Jewellers lists it at $4,308. 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

0.81
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531953926
Dimensions5.47 × 6.43 × 3.81 mm
L/W Ratio1.18
Top View
5.47 mm6.43 mm0.81 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531953926
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.3%

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 2
Current: $1,624 AUD|Low: $1,025 AUD|High: $2,542 AUD|Avg: $1,521 AUD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 5$1,027 AUD
Retailer 8$1,041 AUD
Retailer 11$1,242 AUD
Retailer 4$1,289 AUD
Retailer 10$1,357 AUD
Retailer 12$1,381 AUD
Retailer 3$1,427 AUD
Retailer 9$1,605 AUD
Retailer 1$1,624 AUD
Retailer 2$1,677 AUD
Retailer 6$1,732 AUD
Retailer 7$2,515 AUD

24 data points across 12 retailers

21 retailers$1,027 AUD to $4,308 AUD

A
Cheapest Retailer
-
$1,027 AUD
₹68,540 INR
A
Retailer 2
-
$1,041 AUD
HK$5,700 HKD
View
Retailer 3
-
$1,242 AUD
€829 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,267 AUD
$888 USD
View
Final sale: no returns
A
Retailer 5
-
$1,283 AUD
$899 USD
View
A
Retailer 6
-
$1,289 AUD
SGD 1,221 SGD
View
A
Retailer 7
-
$1,357 AUD
$951 USD
View
A
Retailer 8
-
$1,374 AUD
$963 USD
View
A
Retailer 9
-
$1,381 AUD
$968 USD
View
A
Retailer 10
-
$1,427 AUD
$1,000 USD
View
Retailer 11
-
$1,436 AUD
SGD 1,360 SGD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$1,585 AUD
$1,111 USD
View
A
Retailer 13
-
$1,605 AUD
£885 GBP
View
A
Retailer 14
-
$1,624 AUD
£896 GBP
View
A
Retailer 15
-
$1,677 AUD
$1,175 USD
View
A
Retailer 16
-
$1,732 AUD
£956 GBP
View
B+
Retailer 17
-
$1,809 AUD
$1,268 USD
View
Retailer 18
-
$1,958 AUD
$1,372 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
$2,242 AUD
CA$2,183 CAD
View
B+
Retailer 20
-
$2,515 AUD
£1,388 GBP
View
Most Expensive
B
NZ Jewellers
9a3a4a66-9d39-45f1-a23e-0ebe130b1b12 · Nov 3
$4,308 AUD
$3,019 USD
View
20 more retailers have this diamond
Prices start from $1,027 AUDSave up to $3,281 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
0.81ct Heart
$1,027 AUD