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Heart|Natural|GIA

0.90ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6392431130

Certificate GIA 6392431130

Diamond specifications and retailer prices

From $3,267 AUD
$2,295 USD
As of October 31, 2026
Save $1,478 AUD (31%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,745 AUD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

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 6392431130. Listed at 10 retailers as of October 31, 2026, with prices from $3,267 to $4,745, a $1,478 spread on the same certified stone. The Diamond Guys lists it at $4,745. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6392431130
Dimensions5.96 × 6.56 × 3.81 mm
L/W Ratio1.10
Top View
5.96 mm6.56 mm0.90 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6392431130
Side View
Table 55.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,535 AUD|Low: $3,267 AUD|High: $4,745 AUD|Avg: $4,059 AUD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
The Diamond Guys
October 31, 2026
Retailer 3$3,267 AUD
Retailer 9$3,370 AUD
Retailer 4$3,538 AUD
Retailer 2$4,069 AUD
Retailer 8$4,100 AUD
Retailer 6$4,285 AUD
Retailer 7$4,285 AUD
Retailer 5$4,427 AUD
Retailer 1$4,535 AUD
The Diamond Guys$4,745 AUD

19 data points across 10 retailers

10 retailers$3,267 AUD to $4,745 AUD

B
Cheapest Retailer
-
$3,267 AUD
$2,295 USD
B
Retailer 2
-
$3,370 AUD
$2,367 USD
View
B
Retailer 3
-
$3,538 AUD
$2,485 USD
View
B
Retailer 4
-
$4,069 AUD
$2,858 USD
View
B
Retailer 5
-
$4,100 AUD
CA$4,000 CAD
View
B
Retailer 6
-
$4,285 AUD
$3,010 USD
View
B
Retailer 7
-
$4,285 AUD
$3,010 USD
View
B
Retailer 8
-
$4,427 AUD
$3,110 USD
View
B
Retailer 9
-
$4,535 AUD
€3,034 EUR
View
Most Expensive
B
The Diamond Guys
1947489975 · Nov 2
$4,745 AUD
$3,333 USD
View
9 more retailers have this diamond
Prices start from $3,267 AUDSave up to $1,478 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.

B
0.90ct Heart
$3,267 AUD