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Heart|Natural|GIA

0.90ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 2557383760

Certificate GIA 2557383760

Diamond specifications and retailer prices

From $1,350 AUD
$946 USD
As of November 1, 2026
Save $2,914 AUD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,264 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 H 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 2557383760. Listed at 16 retailers as of October 30, 2026, with prices from $1,350 to $4,264, a $2,914 spread on the same certified stone. NZ Jewellers lists it at $4,264. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557383760
Dimensions6.63 × 5.99 × 3.91 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
6.63 mm5.99 mm0.90 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557383760
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: 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: $4,264 AUD|Low: $1,284 AUD|High: $4,264 AUD|Avg: $2,092 AUD|+1.0%
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
November 2, 2026
Retailer 16$1,350 AUD
Retailer 8$1,430 AUD
Retailer 9$1,455 AUD
Retailer 17$1,584 AUD
Retailer 19$1,584 AUD
Retailer 18$1,644 AUD
Retailer 10$1,743 AUD
Retailer 3$1,785 AUD
Retailer 11$1,805 AUD
Retailer 14$1,826 AUD
Retailer 4$1,912 AUD
Retailer 5$1,912 AUD
Retailer 6$1,969 AUD
Retailer 7$2,142 AUD
Retailer 12$2,442 AUD
Retailer 15$2,560 AUD
Retailer 13$3,202 AUD
Retailer 2$3,363 AUD
NZ Jewellers$4,264 AUD

31 data points across 19 retailers

16 retailers$1,350 AUD to $4,264 AUD

A
Cheapest Retailer
-
$1,350 AUD
$946 USD
A
Retailer 2
-
$1,430 AUD
$1,002 USD
View
A
Retailer 3
-
$1,455 AUD
$1,020 USD
View
A
Retailer 4
-
$1,584 AUD
$1,110 USD
View
A
Retailer 5
-
$1,644 AUD
$1,152 USD
View
B+
Retailer 6
-
$1,785 AUD
$1,251 USD
View
B+
Retailer 7
-
$1,826 AUD
$1,280 USD
View
B+
Retailer 8
-
$1,912 AUD
$1,340 USD
View
B+
Retailer 9
-
$1,912 AUD
$1,340 USD
View
B+
Retailer 10
-
$1,969 AUD
$1,380 USD
View
Retailer 11
-
$2,142 AUD
£1,182 GBP
View
Price last confirmed 17 days ago
B+
Retailer 12
-
$2,442 AUD
€1,630 EUR
View
B+
Retailer 13
-
$2,560 AUD
ZAR 28,984 ZAR
View
B
Retailer 14
-
$3,202 AUD
£1,767 GBP
View
B
Retailer 15
-
$3,363 AUD
£1,856 GBP
View
Most Expensive
B
NZ Jewellers
815dda81-5c41-4345-81a9-9a65129d2c49 · Oct 30
$4,264 AUD
$2,988 USD
View
15 more retailers have this diamond
Prices start from $1,350 AUDSave up to $2,914 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
$1,350 AUD