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Heart|Natural|HRD

1.00ct D SI2 Heart Natural Diamond

EX • D/SI2 • HRD 260000171306

Certificate HRD 260000171306

Diamond specifications and retailer prices

From $2,413 AUD
As of November 4, 2026
Save $3,967 AUD (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,380 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic 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 HRD 260000171306. Listed at 9 retailers as of November 4, 2026, with prices from $2,413 to $6,380, a $3,967 spread on the same certified stone. NZ Jewellers lists it at $6,380. 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

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000171306
Dimensions7.14 × 5.94 × 4.15 mm
L/W Ratio1.20
Girdle conditionFaceted
Top View
7.14 mm5.94 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000171306
Side View
Table 54.0%CrownGirdle: MediumPavilionCuletDepth 58.2%

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 4
Current: $6,380 AUD|Low: $2,212 AUD|High: $6,380 AUD|Avg: $3,492 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$2,413 AUD
Retailer 4$2,615 AUD
Retailer 6$2,615 AUD
Retailer 7$2,736 AUD
Retailer 5$3,018 AUD
Retailer 2$3,553 AUD
Retailer 3$4,570 AUD
NZ Jewellers$6,380 AUD

27 data points across 8 retailers

9 retailers$2,413 AUD to $6,380 AUD

A
Cheapest Retailer
-
$2,413 AUD
Final sale: no returns
A
Retailer 2
-
$2,615 AUD
View
Retailer 3
-
$2,615 AUD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,736 AUD
View
Retailer 5
-
$3,018 AUD
View
Price last confirmed 66 days ago
B+
Retailer 6
-
$3,018 AUD
View
B+
Retailer 7
-
$3,553 AUD
View
B
Retailer 8
-
$4,570 AUD
View
Most Expensive
B
NZ Jewellers
53961e53-fcad-4326-bf8e-6c1dc63eafd6 · Nov 5
$6,380 AUD
$4,384 USD
View
8 more retailers have this diamond
Prices start from $2,413 AUDSave up to $3,967 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
1.00ct Heart
$2,413 AUD