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Heart|Natural|GIA

0.81ct E SI1 Heart Natural Diamond

ID • E/SI1 • GIA 2547648631

Certificate GIA 2547648631

Diamond specifications and retailer prices

From $1,044 AUD
₹69,865 INR
As of October 30, 2026
Save $3,361 AUD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,405 AUD at NZ Jewellers · As of October 27, 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 E 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 2547648631. Listed at 18 retailers as of October 27, 2026, with prices from $1,044 to $4,405, a $3,361 spread on the same certified stone. NZ Jewellers lists it at $4,405. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.98°
Pavilion angle43.15°
OriginNatural
Grading LabGIA
CertificateGIA 2547648631
Dimensions6.47 × 5.76 × 3.87 mm
L/W Ratio1.12
Top View
6.47 mm5.76 mm0.81 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2547648631
Side View
Table 61.0%Crown 33.98°Girdle: MED-VTKPavilion 43.15°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: Oct 30
Current: $4,405 AUD|Low: $1,038 AUD|High: $4,431 AUD|Avg: $1,831 AUD|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 2$1,044 AUD
Retailer 10$1,375 AUD
Retailer 4$1,388 AUD
Retailer 7$1,405 AUD
Retailer 16$1,405 AUD
Retailer 3$1,459 AUD
Retailer 5$1,495 AUD
Retailer 8$1,595 AUD
Retailer 6$1,621 AUD
Retailer 14$1,641 AUD
Retailer 11$1,646 AUD
Retailer 9$1,776 AUD
Retailer 13$1,973 AUD
Retailer 15$2,073 AUD
Retailer 12$2,587 AUD
NZ Jewellers$4,405 AUD

21 data points across 16 retailers

18 retailers$1,044 AUD to $4,405 AUD

A
Cheapest Retailer
-
$1,044 AUD
₹69,865 INR
A
Retailer 2
-
$1,375 AUD
$966 USD
View
A
Retailer 3
-
$1,388 AUD
$975 USD
View
A
Retailer 4
-
$1,405 AUD
$987 USD
View
A
Retailer 5
-
$1,405 AUD
$987 USD
View
A
Retailer 6
-
$1,459 AUD
$1,025 USD
View
A
Retailer 7
-
$1,495 AUD
$1,050 USD
View
A
Retailer 8
-
$1,539 AUD
$1,081 USD
View
A
Retailer 9
-
$1,595 AUD
$1,120 USD
View
A
Retailer 10
-
$1,621 AUD
$1,139 USD
View
A
Retailer 11
-
$1,641 AUD
£908 GBP
View
A
Retailer 12
-
$1,646 AUD
£910 GBP
View
A
Retailer 13
-
$1,776 AUD
£983 GBP
View
B+
Retailer 14
-
$1,973 AUD
€1,320 EUR
View
B+
Retailer 15
-
$2,073 AUD
ZAR 23,523 ZAR
View
Retailer 16
-
$2,106 AUD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
$2,587 AUD
£1,431 GBP
View
Most Expensive
B
NZ Jewellers
8934f9b3-5eee-43b5-a937-c573f90316d9 · Oct 27
$4,405 AUD
$3,095 USD
View
17 more retailers have this diamond
Prices start from $1,044 AUDSave up to $3,361 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
$1,044 AUD