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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 $1,832 NZD
$1,031 USD
As of November 2, 2026
Save $3,674 NZD (67%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,506 NZD 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 $1,832 to $5,506, a $3,674 spread on the same certified stone. NZ Jewellers lists it at $5,506. 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 2
Current: $5,506 NZD|Low: $1,832 NZD|High: $5,506 NZD|Avg: $2,886 NZD
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 3, 2026
Retailer 13$1,832 NZD
Retailer 5$2,083 NZD
Retailer 4$2,161 NZD
Retailer 11$2,200 NZD
Retailer 17$2,257 NZD
Retailer 20$2,257 NZD
Retailer 8$2,344 NZD
Retailer 6$2,366 NZD
Retailer 19$2,462 NZD
Retailer 3$2,497 NZD
Retailer 7$2,526 NZD
Retailer 2$2,578 NZD
Retailer 18$2,606 NZD
Retailer 12$2,801 NZD
Retailer 9$3,211 NZD
Retailer 15$3,307 NZD
Retailer 10$3,809 NZD
Retailer 16$4,140 NZD
Retailer 14$4,344 NZD
NZ Jewellers$5,506 NZD

19 data points across 20 retailers

19 retailers$1,832 NZD to $5,506 NZD

A
Cheapest Retailer
-
$1,832 NZD
$1,031 USD
A
Retailer 2
-
$2,029 NZD
SGD 1,543 SGD
View
A
Retailer 3
-
$2,083 NZD
$1,172 USD
View
Final sale: no returns
A
Retailer 4
-
$2,161 NZD
$1,216 USD
View
B+
Retailer 5
-
$2,257 NZD
$1,270 USD
View
B+
Retailer 6
-
$2,257 NZD
$1,270 USD
View
B+
Retailer 7
-
$2,344 NZD
$1,319 USD
View
B+
Retailer 8
-
$2,366 NZD
$1,331 USD
View
B+
Retailer 9
-
$2,462 NZD
$1,385 USD
View
B+
Retailer 10
-
$2,497 NZD
$1,405 USD
View
B+
Retailer 11
-
$2,526 NZD
$1,421 USD
View
B+
Retailer 12
-
$2,578 NZD
£1,142 GBP
View
B+
Retailer 13
-
$2,606 NZD
$1,466 USD
View
B+
Retailer 14
-
$2,801 NZD
$1,576 USD
View
Retailer 15
-
$3,211 NZD
$1,807 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$3,307 NZD
ZAR 30,058 ZAR
View
Retailer 17
-
$4,140 NZD
£1,834 GBP
View
Price last confirmed 7 days ago
B
Retailer 18
-
$4,344 NZD
£1,925 GBP
View
Most Expensive
B
NZ Jewellers
63d23659-b092-443c-81d6-7584bd0269a5 · Oct 30
$5,506 NZD
$3,098 USD
View
18 more retailers have this diamond
Prices start from $1,832 NZDSave up to $3,674 NZD

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
$1,832 NZD