Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2547545572

Certificate GIA 2547545572

Diamond specifications and retailer prices

From $1,017 AUD
$713 USD
As of November 2, 2026
Save $2,439 AUD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,456 AUD at NZ Jewellers · As of October 30, 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 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 2547545572. Listed at 13 retailers as of October 30, 2026, with prices from $1,017 to $3,456, a $2,439 spread on the same certified stone. NZ Jewellers lists it at $3,456. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2547545572
Dimensions5.44 × 6.46 × 3.80 mm
L/W Ratio1.19
Top View
5.44 mm6.46 mm0.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547545572
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.8%

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: $3,456 AUD|Low: $932 AUD|High: $3,456 AUD|Avg: $1,523 AUD
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 12$1,017 AUD
Retailer 8$1,102 AUD
Retailer 10$1,102 AUD
Retailer 11$1,144 AUD
Retailer 9$1,271 AUD
Retailer 5$1,324 AUD
Retailer 3$1,348 AUD
Retailer 2$1,389 AUD
Retailer 7$1,630 AUD
Retailer 4$1,657 AUD
Retailer 6$2,019 AUD
NZ Jewellers$3,456 AUD

39 data points across 12 retailers

13 retailers$1,017 AUD to $3,456 AUD

A
Cheapest Retailer
-
$1,017 AUD
$713 USD
Final sale: no returns
A
Retailer 2
-
$1,102 AUD
$772 USD
View
A
Retailer 3
-
$1,102 AUD
$772 USD
View
A
Retailer 4
-
$1,144 AUD
$802 USD
View
A
Retailer 5
-
$1,271 AUD
$891 USD
View
Retailer 6
-
$1,296 AUD
View
Price last confirmed 175 days ago
A
Retailer 7
-
$1,324 AUD
£731 GBP
View
A
Retailer 8
-
$1,348 AUD
$945 USD
View
A
Retailer 9
-
$1,389 AUD
£767 GBP
View
A
Retailer 10
-
$1,630 AUD
ZAR 18,454 ZAR
View
Retailer 11
-
$1,657 AUD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
$2,019 AUD
£1,114 GBP
View
Most Expensive
B
NZ Jewellers
079cbd05-3935-4139-abeb-65e71274f95b · Oct 30
$3,456 AUD
$2,422 USD
View
12 more retailers have this diamond
Prices start from $1,017 AUDSave up to $2,439 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
$1,017 AUD