CaratHunter
Plans
Round|Natural|GIA

0.90ct J I1 Round Natural Diamond

EX • J/I1 • GIA 6542434678

Certificate GIA 6542434678

Diamond specifications and retailer prices

From $1,602 AUD
$1,125 USD
As of October 30, 2026
Save $1,747 AUD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,005 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6542434678. Listed at 10 retailers as of October 30, 2026, with a 109% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.90
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542434678
Dimensions6.21 × 6.17 × 3.80 mm
L/W Ratio1.01
Star length50%
Top View
6.21 mm6.17 mm0.90 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542434678
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,005 AUD|Low: $1,251 AUD|High: $6,005 AUD|Avg: $2,571 AUD|+53.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$1,602 AUD
Retailer 3$1,786 AUD
Retailer 8$2,067 AUD
Retailer 4$2,231 AUD
Retailer 10$2,231 AUD
Retailer 9$2,282 AUD
Retailer 5$2,333 AUD
Retailer 11$2,574 AUD
Retailer 6$2,803 AUD
Retailer 2$3,348 AUD
NZ Jewellers$6,005 AUD

10 data points across 11 retailers

10 retailers$1,602 AUD to $3,348 AUD

B+
Cheapest Retailer
-
$1,602 AUD
$1,125 USD
B
Retailer 2
-
$2,067 AUD
$1,452 USD
View
B
Retailer 3
-
$2,231 AUD
$1,567 USD
View
B
Retailer 4
-
$2,231 AUD
$1,567 USD
View
B
Retailer 5
-
$2,282 AUD
$1,603 USD
View
B
Retailer 6
-
$2,333 AUD
$1,639 USD
View
B
Retailer 7
-
$2,574 AUD
$1,808 USD
View
B
Retailer 8
-
$2,803 AUD
$1,969 USD
View
B
Retailer 9
-
$3,348 AUD
€2,240 EUR
View
Most Expensive
NZ Jewellers
2acc58e5-3176-4cfd-9104-4e11c9c7254c · Oct 30
$6,005 AUD
$4,218 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,602 AUDSave up to $1,747 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 Round
$1,602 AUD