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Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6412487272

Certificate GIA 6412487272

Diamond specifications and retailer prices

From $2,770 AUD
$1,941 USD
As of November 1, 2026
Save $3,158 AUD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,928 AUD at MOH London · As of November 1, 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 6412487272. Listed at 19 retailers as of November 1, 2026, with prices from $2,770 to $5,928, a $3,158 spread on the same certified stone. MOH London lists it at $5,928. 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 6412487272
Dimensions5.22 × 5.18 × 3.51 mm
L/W Ratio1.01
Top View
5.22 mm5.18 mm0.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6412487272
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,928 AUD|Low: $2,593 AUD|High: $5,998 AUD|Avg: $3,833 AUD|-1.1%
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 2, 2026
Retailer 3$2,770 AUD
Retailer 8$2,804 AUD
Retailer 12$2,828 AUD
Retailer 4$2,957 AUD
Retailer 11$2,992 AUD
Retailer 5$3,065 AUD
Retailer 10$3,476 AUD
Retailer 7$3,713 AUD
Retailer 13$4,165 AUD
Retailer 6$4,224 AUD
Retailer 2$4,265 AUD
Retailer 9$5,039 AUD
MOH London$5,928 AUD

39 data points across 13 retailers

19 retailers$2,770 AUD to $5,928 AUD

B
Cheapest Retailer
-
$2,770 AUD
$1,941 USD
B
Retailer 2
-
$2,804 AUD
$1,965 USD
View
B
Retailer 3
-
$2,828 AUD
$1,982 USD
View
Final sale: no returns
B
Retailer 4
-
$2,957 AUD
$2,072 USD
View
B
Retailer 5
-
$2,992 AUD
$2,097 USD
View
Retailer 6
-
$3,065 AUD
$2,148 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,096 AUD
$2,170 USD
View
B
Retailer 8
-
$3,145 AUD
$2,204 USD
View
B
Retailer 9
-
$3,410 AUD
$2,390 USD
View
B
Retailer 10
-
$3,410 AUD
$2,390 USD
View
B
Retailer 11
-
$3,476 AUD
$2,436 USD
View
B
Retailer 12
-
$3,524 AUD
$2,470 USD
View
B
Retailer 13
-
$3,713 AUD
£2,049 GBP
View
B
Retailer 14
-
$3,924 AUD
$2,750 USD
View
Retailer 15
-
$4,165 AUD
View
Price last confirmed 26 days ago
B
Retailer 16
-
$4,224 AUD
€2,819 EUR
View
B
Retailer 17
-
$4,265 AUD
£2,354 GBP
View
B
Retailer 18
-
$5,039 AUD
ZAR 57,048 ZAR
View
Most Expensive
B
MOH London
68F618614 · Nov 1
$5,928 AUD
£3,271 GBP
View
18 more retailers have this diamond
Prices start from $2,770 AUDSave up to $3,158 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
$2,770 AUD