CaratHunter
Plans
Round|Natural|GIA

1.20ct J IF Round Natural Diamond

EX • J/IF • GIA 2557076717

Certificate GIA 2557076717

Diamond specifications and retailer prices

From $6,083 AUD
£3,365 GBP
As of November 2, 2026
Save $4,734 AUD (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $11,832 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 2557076717. Listed at 7 retailers as of November 1, 2026, with a 78% 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°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557076717
Dimensions6.73 × 6.77 × 4.24 mm
L/W Ratio1.01
Star length50%
Top View
6.73 mm6.77 mm1.20 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557076717
Side View
Table 57.0%Crown 35°Girdle: STK-STKPavilion 41.2°Culet: NoneDepth 62.9%

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 2
Current: $11,832 AUD|Low: $4,961 AUD|High: $11,832 AUD|Avg: $7,784 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$6,083 AUD
Retailer 7$6,248 AUD
Retailer 6$6,268 AUD
Retailer 3$7,293 AUD
Retailer 5$7,557 AUD
Retailer 4$10,817 AUD
NZ Jewellers$11,832 AUD

45 data points across 7 retailers

7 retailers$6,083 AUD to $10,817 AUD

B+
Cheapest Retailer
-
$6,083 AUD
£3,365 GBP
B+
Retailer 2
-
$6,248 AUD
$4,389 USD
View
B+
Retailer 3
-
$6,268 AUD
$4,403 USD
View
Final sale: no returns
B+
Retailer 4
-
$7,293 AUD
€4,879 EUR
View
B
Retailer 5
-
$7,557 AUD
£4,180 GBP
View
B
Retailer 6
-
$10,817 AUD
£5,983 GBP
View
Most Expensive
NZ Jewellers
62ca6949-c3a9-4993-a4c5-cb282de7b618 · Oct 3
$11,832 AUD
$8,311 USD
View
Price last confirmed 30 days ago
6 more retailers have this diamond
Prices start from $6,083 AUDSave up to $4,734 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
$6,083 AUD