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Round|Natural|GIA

1.20ct J IF Round Natural Diamond

EX • J/IF • GIA 5506974655

Certificate GIA 5506974655

Diamond specifications and retailer prices

From $5,975 AUD
$4,197 USD
As of November 1, 2026
Save $4,408 AUD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $11,296 AUD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5506974655. Listed at 7 retailers as of October 29, 2026, with a 74% 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

1.20
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5506974655
Dimensions6.73 × 6.77 × 4.21 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.73 mm6.77 mm1.20 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5506974655
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: Nov 1
Current: $6,960 AUD|Low: $4,736 AUD|High: $10,452 AUD|Avg: $7,179 AUD|-8.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$5,975 AUD
Retailer 4$5,985 AUD
Retailer 6$6,843 AUD
Retailer 1$6,960 AUD
Retailer 3$7,277 AUD
Retailer 2$10,383 AUD

24 data points across 6 retailers

7 retailers$5,975 AUD to $10,383 AUD

B+
Cheapest Retailer
-
$5,975 AUD
$4,197 USD
B+
Retailer 2
-
$5,985 AUD
$4,204 USD
View
Final sale: no returns
B+
Retailer 3
-
$6,843 AUD
$4,807 USD
View
B+
Retailer 4
-
$6,960 AUD
€4,656 EUR
View
B+
Retailer 5
-
$7,277 AUD
£4,025 GBP
View
B
Retailer 6
-
$10,383 AUD
£5,743 GBP
View
Most Expensive
NZ Jewellers
e8e40e7c-45c5-4c03-9845-7e64fea8e68c · Oct 3
$11,296 AUD
$7,935 USD
View
Price last confirmed 30 days ago
6 more retailers have this diamond
Prices start from $5,975 AUDSave up to $4,408 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+
1.20ct Round
$5,975 AUD