Round|Natural|GIA

1.20ct J IF Round Natural Diamond

EX • J/IF • GIA 5506974655

Certificate GIA 5506974655

Diamond specifications and retailer prices

From $4,197 USD
As of October 30, 2026
Save $3,097 USD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,935 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 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
Color
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: Oct 30
Current: $4,912 USD|Low: $3,327 USD|High: $7,342 USD|Avg: $5,009 USD|-7.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5$4,197 USD
Retailer 4$4,204 USD
Retailer 6$4,807 USD
Retailer 1$4,912 USD
Retailer 3$5,112 USD
Retailer 2$7,294 USD

25 data points across 6 retailers

7 retailers$4,197 USD to $7,294 USD

B+
Cheapest Retailer
-
$4,197 USD
B+
Retailer 2
-
$4,204 USD
View
Final sale: no returns
B+
Retailer 3
-
$4,807 USD
View
B+
Retailer 4
-
$4,912 USD
€4,678 EUR
View
B+
Retailer 5
-
$5,112 USD
£4,025 GBP
View
B
Retailer 6
-
$7,294 USD
£5,743 GBP
View
Most Expensive
NZ Jewellers
e8e40e7c-45c5-4c03-9845-7e64fea8e68c · Oct 3
$7,935 USD
View
Price last confirmed 27 days ago
6 more retailers have this diamond
Prices start from $4,197 USDSave up to $3,097 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
$4,197 USD