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Heart|Natural|GIA

0.90ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 7546790023

Certificate GIA 7546790023

Diamond specifications and retailer prices

From $1,491 AUD
$1,047 USD
As of November 1, 2026
Save $2,920 AUD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,410 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7546790023. Listed at 19 retailers as of October 30, 2026, with prices from $1,491 to $4,410, a $2,920 spread on the same certified stone. NZ Jewellers lists it at $4,410. 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

0.90
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.9°
Pavilion angle39.4°
OriginNatural
Grading LabGIA
CertificateGIA 7546790023
Dimensions5.96 × 6.62 × 3.91 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.96 mm6.62 mm0.90 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7546790023
Side View
Table 56.0%Crown 34.9°Girdle: MED-VTKPavilion 39.4°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: Nov 1
Current: $4,410 AUD|Low: $1,491 AUD|High: $4,410 AUD|Avg: $2,312 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 17$1,491 AUD
Retailer 5$1,668 AUD
Retailer 4$1,731 AUD
Retailer 11$1,762 AUD
Retailer 16$1,808 AUD
Retailer 20$1,808 AUD
Retailer 8$1,878 AUD
Retailer 6$1,895 AUD
Retailer 19$1,972 AUD
Retailer 3$2,000 AUD
Retailer 7$2,023 AUD
Retailer 2$2,065 AUD
Retailer 18$2,087 AUD
Retailer 12$2,243 AUD
Retailer 9$2,572 AUD
Retailer 14$2,649 AUD
Retailer 10$3,051 AUD
Retailer 15$3,316 AUD
Retailer 13$3,480 AUD
NZ Jewellers$4,410 AUD

18 data points across 20 retailers

19 retailers$1,491 AUD to $4,410 AUD

A
Cheapest Retailer
-
$1,491 AUD
$1,047 USD
A
Retailer 2
-
$1,625 AUD
SGD 1,543 SGD
View
A
Retailer 3
-
$1,668 AUD
$1,172 USD
View
Final sale: no returns
A
Retailer 4
-
$1,731 AUD
$1,216 USD
View
B+
Retailer 5
-
$1,808 AUD
$1,270 USD
View
B+
Retailer 6
-
$1,808 AUD
$1,270 USD
View
B+
Retailer 7
-
$1,878 AUD
$1,319 USD
View
B+
Retailer 8
-
$1,895 AUD
$1,331 USD
View
B+
Retailer 9
-
$1,972 AUD
$1,385 USD
View
B+
Retailer 10
-
$2,000 AUD
$1,405 USD
View
B+
Retailer 11
-
$2,023 AUD
$1,421 USD
View
B+
Retailer 12
-
$2,065 AUD
£1,142 GBP
View
B+
Retailer 13
-
$2,087 AUD
$1,466 USD
View
B+
Retailer 14
-
$2,243 AUD
$1,576 USD
View
B+
Retailer 15
-
$2,572 AUD
$1,807 USD
View
B+
Retailer 16
-
$2,649 AUD
ZAR 30,058 ZAR
View
B
Retailer 17
-
$3,316 AUD
£1,834 GBP
View
B
Retailer 18
-
$3,480 AUD
£1,925 GBP
View
Most Expensive
B
NZ Jewellers
63d23659-b092-443c-81d6-7584bd0269a5 · Oct 30
$4,410 AUD
$3,098 USD
View
18 more retailers have this diamond
Prices start from $1,491 AUDSave up to $2,920 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
$1,491 AUD