CaratHunter
Plans
Heart|Natural|IGI

1.63ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 835638860

Shape and cutting style on the report: Heart brilliant

Certificate IGI 835638860

Diamond specifications and retailer prices

From $3,154 AUD
As of November 6, 2026
Save $5,209 AUD (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,363 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.63ct natural heart diamond

This 1.63ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 835638860. Listed at 14 retailers as of November 5, 2026, with prices from $3,154 to $8,363, a $5,209 spread on the same certified stone. NZ Jewellers lists it at $8,363. 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

1.63
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 835638860
Dimensions7.07 × 8.04 × 4.83 mm
L/W Ratio1.14
Girdle conditionFaceted
Top View
7.07 mm8.04 mm1.63 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 835638860
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.1%

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: $8,363 AUD|Low: $3,154 AUD|High: $8,363 AUD|Avg: $4,501 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 5$3,154 AUD
Retailer 3$3,582 AUD
Retailer 6$3,828 AUD
Retailer 8$4,001 AUD
Retailer 11$4,001 AUD
Retailer 10$4,154 AUD
Retailer 4$4,309 AUD
Retailer 9$4,615 AUD
Retailer 7$4,881 AUD
Retailer 2$6,970 AUD
NZ Jewellers$8,363 AUD

29 data points across 11 retailers

14 retailers$3,154 AUD to $8,363 AUD

A
Cheapest Retailer
-
$3,154 AUD
B+
Retailer 2
-
$3,582 AUD
View
B+
Retailer 3
-
$3,735 AUD
View
A
Retailer 4
-
$3,828 AUD
View
B+
Retailer 5
-
$3,930 AUD
View
Retailer 6
-
$4,001 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,001 AUD
View
B+
Retailer 8
-
$4,154 AUD
View
B+
Retailer 9
-
$4,206 AUD
View
B+
Retailer 10
-
$4,309 AUD
View
B+
Retailer 11
-
$4,615 AUD
View
B+
Retailer 12
-
$4,881 AUD
View
Retailer 13
-
$6,970 AUD
View
Most Expensive
B
NZ Jewellers
e693495f-1fb0-40df-9f0e-6f42f34c109c · Nov 5
$8,363 AUD
$5,746 USD
View
13 more retailers have this diamond
Prices start from $3,154 AUDSave up to $5,209 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
1.63ct Heart
$3,154 AUD