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Heart|Natural|GIA

0.90ct J SI1 Heart Natural Diamond

J/SI1 • GIA 6205641210

Certificate GIA 6205641210

Diamond specifications and retailer prices

From $3,076 AUD
$2,161 USD
As of November 2, 2026
Save $1,362 AUD (31%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,439 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 J colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 6205641210. Listed at 9 retailers as of November 2, 2026, with prices from $3,076 to $4,439, a $1,362 spread on the same certified stone. The Diamond Guys lists it at $4,439. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.90
Carat
J
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6205641210
Dimensions5.85 × 6.72 × 3.89 mm
L/W Ratio1.15
Top View
5.85 mm6.72 mm0.90 ctJ / SI1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6205641210
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.9%

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: Nov 2
Current: $3,821 AUD|Low: $3,076 AUD|High: $4,441 AUD|Avg: $3,889 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
September 26, 2026
Retailer 5$3,076 AUD
Retailer 11$3,156 AUD
Retailer 6$3,311 AUD
Retailer 4$3,580 AUD
Retailer 1$3,821 AUD
Retailer 10$3,836 AUD
Retailer 8$4,029 AUD
Retailer 9$4,029 AUD
Retailer 2$4,171 AUD
Retailer 3$4,307 AUD
Retailer 12$4,330 AUD
The Diamond Guys$4,439 AUD
Retailer 7$4,441 AUD

2 data points across 13 retailers

9 retailers$3,076 AUD to $4,439 AUD

B
Cheapest Retailer
-
$3,076 AUD
$2,161 USD
B
Retailer 2
-
$3,156 AUD
$2,217 USD
View
B
Retailer 3
-
$3,311 AUD
$2,326 USD
View
C
Retailer 4
-
$3,821 AUD
$2,684 USD
View
C
Retailer 5
-
$3,836 AUD
CA$3,742 CAD
View
C
Retailer 6
-
$4,029 AUD
$2,830 USD
View
C
Retailer 7
-
$4,029 AUD
$2,830 USD
View
C
Retailer 8
-
$4,171 AUD
$2,930 USD
View
Most Expensive
C
The Diamond Guys
1947489985 · Nov 2
$4,439 AUD
$3,118 USD
View
8 more retailers have this diamond
Prices start from $3,076 AUDSave up to $1,362 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
$3,076 AUD