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Heart|Natural|GIA

0.90ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6551932256

Certificate GIA 6551932256

Diamond specifications and retailer prices

From $1,234 AUD
As of November 5, 2026
Save $524 AUD (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,758 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551932256. Listed at 4 retailers as of November 5, 2026, with prices from $1,234 to $1,758, a $524 spread on the same certified stone. GemTrove lists it at $1,758. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551932256
Dimensions5.77 × 6.89 × 3.86 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Cloud
Top View
5.77 mm6.89 mm0.90 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551932256
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 56.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,758 AUD|Low: $1,233 AUD|High: $1,758 AUD|Avg: $1,388 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$1,234 AUD
Retailer 4$1,259 AUD
Retailer 2$1,316 AUD
GemTrove$1,758 AUD

40 data points across 4 retailers

4 retailers$1,234 AUD to $1,758 AUD

A
Cheapest Retailer
-
$1,234 AUD
A
Retailer 2
-
$1,259 AUD
View
B+
Retailer 3
-
$1,316 AUD
View
Most Expensive
B
GemTrove
GT-N-01266630-98 · Nov 6
$1,758 AUD
View
3 more retailers have this diamond
Prices start from $1,234 AUDSave up to $524 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
$1,234 AUD