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Heart|Natural|IGI

1.00ct D SI2 Heart Natural Diamond

VG • D/SI2 • IGI 846665776

Shape and cutting style on the report: Heart brilliant

Certificate IGI 846665776

Diamond specifications and retailer prices

From $1,942 AUD
As of November 6, 2026
Save $4,417 AUD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,359 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 very-good cut grade and certified by IGI 846665776. Listed at 12 retailers as of November 5, 2026, with prices from $1,942 to $6,359, a $4,417 spread on the same certified stone. NZ Jewellers lists it at $6,359. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle39.3°
OriginNatural
Grading LabIGI
CertificateIGI 846665776
Dimensions6.11 × 7.14 × 4.09 mm
L/W Ratio1.17
Girdle conditionFaceted
Top View
6.11 mm7.14 mm1.00 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 846665776
Side View
Table 58.0%Crown 34.1°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 57.3%

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 6
Current: $6,359 AUD|Low: $1,942 AUD|High: $6,359 AUD|Avg: $2,989 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 6, 2026
Retailer 2$1,942 AUD
Retailer 12$2,375 AUD
Retailer 3$2,404 AUD
Retailer 4$2,492 AUD
Retailer 5$2,563 AUD
Retailer 8$2,607 AUD
Retailer 10$2,607 AUD
Retailer 9$2,727 AUD
Retailer 11$2,806 AUD
Retailer 7$3,008 AUD
Retailer 6$4,555 AUD
NZ Jewellers$6,359 AUD

17 data points across 12 retailers

12 retailers$1,942 AUD to $6,359 AUD

A
Cheapest Retailer
-
$1,942 AUD
B+
Retailer 2
-
$2,375 AUD
View
B+
Retailer 3
-
$2,404 AUD
View
Final sale: no returns
B+
Retailer 4
-
$2,492 AUD
View
A
Retailer 5
-
$2,563 AUD
View
Retailer 6
-
$2,607 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,607 AUD
View
B+
Retailer 8
-
$2,727 AUD
View
B+
Retailer 9
-
$2,806 AUD
View
B+
Retailer 10
-
$3,008 AUD
View
B
Retailer 11
-
$4,555 AUD
View
Most Expensive
B
NZ Jewellers
5d6927f7-2499-4957-8bcd-b8a3f24548a8 · Nov 5
$6,359 AUD
$4,369 USD
View
11 more retailers have this diamond
Prices start from $1,942 AUDSave up to $4,417 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
$1,942 AUD