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Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2408533563

Certificate GIA 2408533563

Diamond specifications and retailer prices

From $2,653 AUD
$1,859 USD
As of November 1, 2026
Save $3,027 AUD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,679 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2408533563. Listed at 18 retailers as of November 1, 2026, with prices from $2,653 to $5,679, a $3,027 spread on the same certified stone. MOH London lists it at $5,679. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2408533563
Dimensions5.22 × 5.17 × 3.52 mm
L/W Ratio1.01
Top View
5.22 mm5.17 mm0.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2408533563
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,679 AUD|Low: $2,484 AUD|High: $5,748 AUD|Avg: $3,720 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 4$2,653 AUD
Retailer 8$2,690 AUD
Retailer 13$2,711 AUD
Retailer 5$2,832 AUD
Retailer 12$2,882 AUD
Retailer 10$2,937 AUD
Retailer 11$3,330 AUD
Retailer 2$3,557 AUD
Retailer 3$3,986 AUD
Retailer 7$4,047 AUD
Retailer 6$4,087 AUD
Retailer 9$4,828 AUD
MOH London$5,679 AUD

39 data points across 13 retailers

18 retailers$2,653 AUD to $5,679 AUD

B+
Cheapest Retailer
-
$2,653 AUD
$1,859 USD
B
Retailer 2
-
$2,690 AUD
$1,885 USD
View
B
Retailer 3
-
$2,711 AUD
$1,900 USD
View
Final sale: no returns
B
Retailer 4
-
$2,832 AUD
$1,985 USD
View
B
Retailer 5
-
$2,882 AUD
$2,020 USD
View
B
Retailer 6
-
$2,937 AUD
$2,058 USD
View
B
Retailer 7
-
$2,982 AUD
$2,090 USD
View
B
Retailer 8
-
$3,021 AUD
$2,117 USD
View
B
Retailer 9
-
$3,282 AUD
$2,300 USD
View
B
Retailer 10
-
$3,282 AUD
$2,300 USD
View
B
Retailer 11
-
$3,330 AUD
$2,334 USD
View
B
Retailer 12
-
$3,396 AUD
$2,380 USD
View
B
Retailer 13
-
$3,557 AUD
£1,963 GBP
View
Retailer 14
-
$3,986 AUD
View
Price last confirmed 27 days ago
B
Retailer 15
-
$4,047 AUD
€2,701 EUR
View
B
Retailer 16
-
$4,087 AUD
£2,255 GBP
View
B
Retailer 17
-
$4,828 AUD
ZAR 54,663 ZAR
View
Most Expensive
B
MOH London
42B5ADD21 · Nov 2
$5,679 AUD
£3,134 GBP
View
17 more retailers have this diamond
Prices start from $2,653 AUDSave up to $3,027 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.

B+
0.81ct Heart
$2,653 AUD