Heart|Natural|IGI

0.90ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 671474664

Shape and cutting style on the report: Heart brilliant

Certificate IGI 671474664

Diamond specifications and retailer prices

From $1,468 AUD
$1,031 USD
As of October 30, 2026
Save $2,412 AUD (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,879 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 671474664. Listed at 17 retailers as of October 30, 2026, with prices from $1,468 to $3,879, a $2,412 spread on the same certified stone. NZ Jewellers lists it at $3,879. 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

0.90
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 671474664
Dimensions6.14 × 6.64 × 3.92 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Top View
6.14 mm6.64 mm0.90 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671474664
Side View
Table 58.0%Crown 29.9°Girdle: MED-THKPavilion 39°Culet: NoneDepth 59.0%

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 30
Current: $2,330 AUD|Low: $1,468 AUD|High: $2,949 AUD|Avg: $1,937 AUD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$1,468 AUD
Retailer 4$1,523 AUD
Retailer 9$1,590 AUD
Retailer 7$1,649 AUD
Retailer 8$1,690 AUD
Retailer 2$1,843 AUD
Retailer 3$2,226 AUD
Retailer 1$2,330 AUD
Retailer 5$2,929 AUD

41 data points across 9 retailers

17 retailers$1,468 AUD to $3,879 AUD

A
Cheapest Retailer
-
$1,468 AUD
$1,031 USD
Final sale: no returns
A
Retailer 2
-
$1,523 AUD
$1,070 USD
View
A
Retailer 3
-
$1,523 AUD
$1,070 USD
View
Retailer 4
-
$1,590 AUD
$1,117 USD
View
Price last confirmed 48 days ago
B+
Retailer 5
-
$1,590 AUD
$1,117 USD
View
B+
Retailer 6
-
$1,590 AUD
$1,117 USD
View
B+
Retailer 7
-
$1,649 AUD
$1,159 USD
View
B+
Retailer 8
-
$1,651 AUD
$1,160 USD
View
B+
Retailer 9
-
$1,690 AUD
$1,187 USD
View
B+
Retailer 10
-
$1,781 AUD
$1,251 USD
View
Retailer 11
-
$1,835 AUD
$1,289 USD
View
Price last confirmed 56 days ago
B+
Retailer 12
-
$1,835 AUD
$1,289 USD
View
B+
Retailer 13
-
$1,843 AUD
£1,019 GBP
View
B+
Retailer 14
-
$2,226 AUD
€1,489 EUR
View
B
Retailer 15
-
$2,330 AUD
ZAR 26,437 ZAR
View
Retailer 16
-
$2,929 AUD
£1,620 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
939b7623-3a57-4251-b506-586232af8c23 · Oct 30
$3,879 AUD
$2,725 USD
View
16 more retailers have this diamond
Prices start from $1,468 AUDSave up to $2,412 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
0.90ct Heart
$1,468 AUD