Round|Natural|GIA

1.20ct J IF Round Natural Diamond

EX • J/IF • GIA 2557076717

Certificate GIA 2557076717

Diamond specifications and retailer prices

From $4,286 USD
£3,375 GBP
As of October 30, 2026
Save $3,353 USD (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,311 USD 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 October 29, 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
Color
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: Oct 30
Current: $8,311 USD|Low: $3,485 USD|High: $8,311 USD|Avg: $5,430 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$4,286 USD
Retailer 7$4,389 USD
Retailer 6$4,403 USD
Retailer 2$5,145 USD
Retailer 5$5,309 USD
Retailer 4$7,639 USD
NZ Jewellers$8,311 USD

45 data points across 7 retailers

7 retailers$4,286 USD to $7,639 USD

B+
Cheapest Retailer
-
$4,286 USD
£3,375 GBP
B+
Retailer 2
-
$4,389 USD
View
B+
Retailer 3
-
$4,403 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,145 USD
€4,900 EUR
View
B
Retailer 5
-
$5,309 USD
£4,180 GBP
View
B
Retailer 6
-
$7,639 USD
£6,015 GBP
View
Most Expensive
NZ Jewellers
62ca6949-c3a9-4993-a4c5-cb282de7b618 · Oct 3
$8,311 USD
View
Price last confirmed 27 days ago
6 more retailers have this diamond
Prices start from $4,286 USDSave up to $3,353 USD

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
$4,286 USD