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Heart|Natural|GIA

0.81ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 7511031034

Certificate GIA 7511031034

Diamond specifications and retailer prices

From $1,844 AUD
$1,295 USD
As of October 31, 2026
Save $3,868 AUD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,711 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7511031034. Listed at 10 retailers as of October 30, 2026, with prices from $1,844 to $5,711, a $3,868 spread on the same certified stone. NZ Jewellers lists it at $5,711. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.35°
Pavilion angle40.08°
OriginNatural
Grading LabGIA
CertificateGIA 7511031034
Dimensions6.47 × 5.77 × 3.25 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Feather
Top View
6.47 mm5.77 mm0.81 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7511031034
Side View
Table 60.0%Crown 35.35°Girdle: ThickPavilion 40.08°Culet: NoneDepth 56.4%

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 31
Current: $5,711 AUD|Low: $653 AUD|High: $5,711 AUD|Avg: $2,709 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
Retailer 13
Retailer 14
November 1, 2026
Retailer 6$653 AUD
Retailer 8$1,844 AUD
Retailer 4$2,081 AUD
Retailer 13$2,335 AUD
Retailer 10$2,342 AUD
Retailer 11$2,342 AUD
Retailer 9$2,450 AUD
Retailer 7$2,513 AUD
Retailer 14$2,536 AUD
Retailer 12$2,702 AUD
Retailer 5$3,126 AUD
Retailer 3$3,377 AUD
Retailer 2$4,005 AUD
NZ Jewellers$5,711 AUD

39 data points across 14 retailers

10 retailers$1,844 AUD to $5,711 AUD

A
Cheapest Retailer
-
$1,844 AUD
$1,295 USD
Final sale: no returns
B+
Retailer 2
-
$2,101 AUD
$1,476 USD
View
B+
Retailer 3
-
$2,342 AUD
$1,645 USD
View
B+
Retailer 4
-
$2,342 AUD
$1,645 USD
View
B+
Retailer 5
-
$2,450 AUD
$1,721 USD
View
B+
Retailer 6
-
$2,513 AUD
£1,390 GBP
View
B+
Retailer 7
-
$2,536 AUD
$1,781 USD
View
B+
Retailer 8
-
$2,702 AUD
$1,898 USD
View
B
Retailer 9
-
$4,005 AUD
£2,215 GBP
View
Most Expensive
B
NZ Jewellers
7529c262-099b-422e-ad69-3bebe68666d0 · Oct 30
$5,711 AUD
$4,012 USD
View
9 more retailers have this diamond
Prices start from $1,844 AUDSave up to $3,868 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
$1,844 AUD