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Heart|Natural|IGI

1.53ct F SI2 Heart Natural Diamond

VG • F/SI2 • IGI 745507288

Shape and cutting style on the report: Heart brilliant

Certificate IGI 745507288

Diamond specifications and retailer prices

From $3,875 AUD
$2,716 USD
As of November 2, 2026
Save $4,903 AUD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,778 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 745507288. Listed at 7 retailers as of October 30, 2026, with prices from $3,875 to $8,778, a $4,903 spread on the same certified stone. NZ Jewellers lists it at $8,778. 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

1.53
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle37.8°
OriginNatural
Grading LabIGI
CertificateIGI 745507288
Dimensions7.03 × 7.71 × 4.75 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
7.03 mm7.71 mm1.53 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 745507288
Side View
TableCrown 36°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 61.6%

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 2
Current: $8,778 AUD|Low: $3,229 AUD|High: $8,991 AUD|Avg: $5,506 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
October 29, 2026
Retailer 8$3,875 AUD
Retailer 4$3,911 AUD
Retailer 2$4,198 AUD
Retailer 6$4,198 AUD
Retailer 7$4,361 AUD
Retailer 5$4,844 AUD
Retailer 10$4,913 AUD
Retailer 9$4,951 AUD
Retailer 11$6,213 AUD
Retailer 3$6,351 AUD
NZ Jewellers$8,778 AUD
Retailer 12$8,991 AUD

15 data points across 12 retailers

7 retailers$3,875 AUD to $8,778 AUD

A
Cheapest Retailer
-
$3,875 AUD
$2,716 USD
Final sale: no returns
A
Retailer 2
-
$4,198 AUD
$2,942 USD
View
A
Retailer 3
-
$4,198 AUD
$2,942 USD
View
A
Retailer 4
-
$4,361 AUD
$3,056 USD
View
A
Retailer 5
-
$4,844 AUD
$3,395 USD
View
Retailer 6
-
$4,951 AUD
$3,470 USD
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
82853e8d-c33b-4548-9d43-d8ecaa466d04 · Oct 30
$8,778 AUD
$6,152 USD
View
6 more retailers have this diamond
Prices start from $3,875 AUDSave up to $4,903 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
1.53ct Heart
$3,875 AUD