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Round|Natural|GIA

1.20ct J IF Round Natural Diamond

EX • J/IF • GIA 2557076717

Certificate GIA 2557076717

Diamond specifications and retailer prices

From $7,582 NZD
£3,365 GBP
As of November 2, 2026
Save $5,900 NZD (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $14,746 NZD 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: $14,746 NZD|Low: $6,183 NZD|High: $14,746 NZD|Avg: $9,702 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$7,582 NZD
Retailer 7$7,787 NZD
Retailer 6$7,812 NZD
Retailer 3$9,090 NZD
Retailer 5$9,419 NZD
Retailer 4$13,482 NZD
NZ Jewellers$14,746 NZD

45 data points across 7 retailers

7 retailers$7,582 NZD to $13,482 NZD

B+
Cheapest Retailer
-
$7,582 NZD
£3,365 GBP
B+
Retailer 2
-
$7,787 NZD
$4,389 USD
View
B+
Retailer 3
-
$7,812 NZD
$4,403 USD
View
Final sale: no returns
B+
Retailer 4
-
$9,090 NZD
€4,879 EUR
View
B
Retailer 5
-
$9,419 NZD
£4,180 GBP
View
B
Retailer 6
-
$13,482 NZD
£5,983 GBP
View
Most Expensive
NZ Jewellers
62ca6949-c3a9-4993-a4c5-cb282de7b618 · Oct 3
$14,746 NZD
$8,311 USD
View
Price last confirmed 30 days ago
6 more retailers have this diamond
Prices start from $7,582 NZDSave up to $5,900 NZD

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
$7,582 NZD