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Round|Natural|GIA

1.20ct J IF Round Natural Diamond

EX • J/IF • GIA 3435538433

Certificate GIA 3435538433

Diamond specifications and retailer prices

From $4,775 AUD
$3,354 USD
As of November 1, 2026
Save $4,578 AUD (49%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,742 AUD at NZ Jewellers · As of September 28, 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 3435538433. Listed at 21 retailers as of November 1, 2026, with a 96% 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
FluorescenceMedium
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 3435538433
Dimensions6.79 × 6.75 × 4.20 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.79 mm6.75 mm1.20 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3435538433
Side View
Table 62.0%Crown 34°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,144 AUD|Low: $4,040 AUD|High: $9,465 AUD|Avg: $5,882 AUD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8$4,209 AUD
Retailer 4$4,775 AUD
Retailer 10$5,018 AUD
Retailer 12$5,018 AUD
Retailer 2$5,161 AUD
Retailer 9$5,592 AUD
Retailer 6$5,685 AUD
Retailer 3$5,990 AUD
Retailer 1$6,144 AUD
Retailer 11$6,409 AUD
Retailer 7$6,874 AUD
Retailer 5$9,353 AUD

36 data points across 12 retailers

21 retailers$4,775 AUD to $9,353 AUD

Retailer 1
-
$4,209 AUD
₹281,548 INR
Price last confirmed 8 days ago
A
Retailer 2
-
$4,775 AUD
$3,354 USD
View
B+
Retailer 3
-
$4,921 AUD
$3,457 USD
View
B+
Retailer 4
-
$5,018 AUD
$3,525 USD
View
B+
Retailer 5
-
$5,018 AUD
$3,525 USD
View
B+
Retailer 6
-
$5,161 AUD
$3,625 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,339 AUD
$3,750 USD
View
B+
Retailer 8
-
$5,592 AUD
$3,928 USD
View
Retailer 9
-
$5,592 AUD
$3,928 USD
View
Price last confirmed 31 days ago
B+
Retailer 10
-
$5,592 AUD
$3,928 USD
View
Retailer 11
-
$5,592 AUD
$3,928 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$5,685 AUD
£3,144 GBP
View
Retailer 13
-
$5,990 AUD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
$5,998 AUD
$4,213 USD
View
B+
Retailer 15
-
$6,144 AUD
€4,110 EUR
View
B+
Retailer 16
-
$6,409 AUD
£3,545 GBP
View
Retailer 17
-
$6,452 AUD
$4,532 USD
View
Price last confirmed 35 days ago
B+
Retailer 18
-
$6,874 AUD
ZAR 78,002 ZAR
View
B
Retailer 19
-
$9,353 AUD
£5,173 GBP
View
Retailer 20
-
$9,742 AUD
$6,843 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
7f1e5df0-464a-43d4-9e8e-0b85559347d1 · Sep 28
$9,742 AUD
$6,843 USD
View
Price last confirmed 35 days ago
20 more retailers have this diamond
Prices start from $4,775 AUDSave up to $4,578 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
1.20ct Round
$4,775 AUD