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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 $1,031 USD
As of November 2, 2026
Save $2,067 USD (67%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,098 USD 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 $1,031 to $3,098, a $2,067 spread on the same certified stone. NZ Jewellers lists it at $3,098. 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
Color
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: $3,098 USD|Low: $1,031 USD|High: $3,098 USD|Avg: $1,624 USD
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$1,031 USD
Retailer 5$1,172 USD
Retailer 4$1,216 USD
Retailer 11$1,238 USD
Retailer 17$1,270 USD
Retailer 20$1,270 USD
Retailer 8$1,319 USD
Retailer 6$1,331 USD
Retailer 19$1,385 USD
Retailer 3$1,405 USD
Retailer 7$1,421 USD
Retailer 2$1,450 USD
Retailer 18$1,466 USD
Retailer 12$1,576 USD
Retailer 9$1,807 USD
Retailer 15$1,861 USD
Retailer 10$2,143 USD
Retailer 16$2,329 USD
Retailer 14$2,444 USD
NZ Jewellers$3,098 USD

19 data points across 20 retailers

19 retailers$1,031 USD to $3,098 USD

A
Cheapest Retailer
-
$1,031 USD
A
Retailer 2
-
$1,142 USD
SGD 1,543 SGD
View
A
Retailer 3
-
$1,172 USD
View
Final sale: no returns
A
Retailer 4
-
$1,216 USD
View
B+
Retailer 5
-
$1,270 USD
View
B+
Retailer 6
-
$1,270 USD
View
B+
Retailer 7
-
$1,319 USD
View
B+
Retailer 8
-
$1,331 USD
View
B+
Retailer 9
-
$1,385 USD
View
B+
Retailer 10
-
$1,405 USD
View
B+
Retailer 11
-
$1,421 USD
View
B+
Retailer 12
-
$1,450 USD
£1,142 GBP
View
B+
Retailer 13
-
$1,466 USD
View
B+
Retailer 14
-
$1,576 USD
View
Retailer 15
-
$1,807 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$1,861 USD
ZAR 30,058 ZAR
View
Retailer 17
-
$2,329 USD
£1,834 GBP
View
Price last confirmed 7 days ago
B
Retailer 18
-
$2,444 USD
£1,925 GBP
View
Most Expensive
B
NZ Jewellers
63d23659-b092-443c-81d6-7584bd0269a5 · Oct 30
$3,098 USD
View
18 more retailers have this diamond
Prices start from $1,031 USDSave up to $2,067 USD

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
$1,031 USD