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Heart|Natural|GIA

0.81ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 7452285076

Certificate GIA 7452285076

Diamond specifications and retailer prices

From $1,630 AUD
$1,145 USD
As of October 31, 2026
Save $2,679 AUD (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,309 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 7452285076. Listed at 9 retailers as of October 30, 2026, with prices from $1,630 to $4,309, a $2,679 spread on the same certified stone. NZ Jewellers lists it at $4,309. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7452285076
Dimensions5.43 × 6.45 × 3.96 mm
L/W Ratio1.19
Top View
5.43 mm6.45 mm0.81 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7452285076
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.4%

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: $4,309 AUD|Low: $1,630 AUD|High: $4,309 AUD|Avg: $2,270 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 1, 2026
Retailer 7$1,630 AUD
Retailer 8$1,767 AUD
Retailer 10$1,767 AUD
Retailer 9$1,835 AUD
Retailer 5$2,017 AUD
Retailer 6$2,039 AUD
Retailer 12$2,130 AUD
Retailer 4$2,217 AUD
Retailer 2$2,345 AUD
Retailer 3$2,413 AUD
Retailer 11$3,253 AUD
NZ Jewellers$4,309 AUD

7 data points across 12 retailers

9 retailers$1,630 AUD to $4,309 AUD

A
Cheapest Retailer
-
$1,630 AUD
$1,145 USD
Final sale: no returns
A
Retailer 2
-
$1,767 AUD
$1,241 USD
View
A
Retailer 3
-
$1,767 AUD
$1,241 USD
View
A
Retailer 4
-
$1,835 AUD
$1,289 USD
View
B+
Retailer 5
-
$2,017 AUD
£1,115 GBP
View
B+
Retailer 6
-
$2,039 AUD
$1,432 USD
View
B+
Retailer 7
-
$2,345 AUD
£1,297 GBP
View
B
Retailer 8
-
$3,253 AUD
£1,799 GBP
View
Most Expensive
B
NZ Jewellers
76c20899-8013-438d-8aab-29467c55bfc8 · Oct 30
$4,309 AUD
$3,027 USD
View
8 more retailers have this diamond
Prices start from $1,630 AUDSave up to $2,679 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
$1,630 AUD