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Heart|Natural|GIA

0.90ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 5553589758

Certificate GIA 5553589758

Diamond specifications and retailer prices

From $1,482 AUD
$1,041 USD
As of October 28, 2026
Save $3,228 AUD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,710 AUD at Moon Ocean · As of October 29, 2026
View at Moon Ocean

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553589758. Listed at 15 retailers as of October 28, 2026, with prices from $1,482 to $4,710, a $3,228 spread on the same certified stone. Moon Ocean lists it at $4,710. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553589758
Dimensions6.62 × 5.77 × 3.89 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
6.62 mm5.77 mm0.90 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553589758
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.8%

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 28
Current: $4,710 AUD|Low: $1,240 AUD|High: $4,710 AUD|Avg: $2,242 AUD|+0.3%
Moon Ocean
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
October 29, 2026
Retailer 6$1,482 AUD
Retailer 7$1,488 AUD
Retailer 4$1,499 AUD
Retailer 9$1,523 AUD
Retailer 2$1,640 AUD
Retailer 12$1,640 AUD
Retailer 11$1,703 AUD
Retailer 13$1,845 AUD
Retailer 8$1,873 AUD
Retailer 16$1,965 AUD
Retailer 17$1,965 AUD
Retailer 18$2,036 AUD
Retailer 3$2,217 AUD
Retailer 10$2,412 AUD
Retailer 15$2,525 AUD
Retailer 14$3,332 AUD
Retailer 5$4,372 AUD
Moon Ocean$4,710 AUD

30 data points across 18 retailers

15 retailers$1,482 AUD to $4,710 AUD

A
Cheapest Retailer
-
$1,482 AUD
$1,041 USD
Retailer 2
-
$1,488 AUD
$1,045 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$1,523 AUD
$1,070 USD
View
A
Retailer 4
-
$1,640 AUD
$1,152 USD
View
A
Retailer 5
-
$1,703 AUD
$1,196 USD
View
B+
Retailer 6
-
$1,845 AUD
$1,296 USD
View
Retailer 7
-
$1,873 AUD
$1,316 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$1,965 AUD
$1,380 USD
View
B+
Retailer 9
-
$1,965 AUD
$1,380 USD
View
B+
Retailer 10
-
$2,036 AUD
$1,430 USD
View
Retailer 11
-
$2,217 AUD
£1,227 GBP
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$2,525 AUD
€1,689 EUR
View
B
Retailer 13
-
$3,332 AUD
£1,843 GBP
View
Retailer 14
-
$4,372 AUD
$3,071 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Moon Ocean
NVN-99C44B920-758 · Oct 29
$4,710 AUD
£2,605 GBP
View
14 more retailers have this diamond
Prices start from $1,482 AUDSave up to $3,228 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
$1,482 AUD