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Round|Natural|IGI

1.20ct J IF Round Natural Diamond

EX • J/IF • IGI 731513302

Shape and cutting style on the report: Round brilliant

Certificate IGI 731513302

Diamond specifications and retailer prices

From $2,595 USD
£2,043 GBP
As of October 30, 2026
Save $3,443 USD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,038 USD at NZ Jewellers · As of October 30, 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 IGI 731513302. Listed at 8 retailers as of October 30, 2026, with prices from $2,595 to $6,038, a $3,443 spread on the same certified stone. NZ Jewellers lists it at $6,038. 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 angle34°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 731513302
Dimensions6.79 × 6.84 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.79 mm6.84 mm1.20 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 731513302
Side View
Table 53.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.9%

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: Oct 30
Current: $6,038 USD|Low: $2,109 USD|High: $6,038 USD|Avg: $3,514 USD|+5.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$2,595 USD
Retailer 5$2,666 USD
Retailer 7$2,888 USD
Retailer 8$2,999 USD
Retailer 10$3,143 USD
Retailer 9$3,219 USD
Retailer 3$3,396 USD
Retailer 6$4,379 USD
Retailer 4$4,836 USD
NZ Jewellers$6,038 USD

32 data points across 10 retailers

8 retailers$2,595 USD to $6,038 USD

A
Cheapest Retailer
-
$2,595 USD
£2,043 GBP
A
Retailer 2
-
$2,666 USD
View
Final sale: no returns
A
Retailer 3
-
$2,888 USD
View
A
Retailer 4
-
$2,999 USD
View
B+
Retailer 5
-
$3,396 USD
€3,234 EUR
View
B
Retailer 6
-
$4,379 USD
€4,170 EUR
View
B+
Retailer 7
-
$4,836 USD
£3,808 GBP
View
Most Expensive
B
NZ Jewellers
cc9168b5-49b0-4767-a0c6-a55b5ff875b9 · Oct 30
$6,038 USD
View
7 more retailers have this diamond
Prices start from $2,595 USDSave up to $3,443 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.

A
1.20ct Round
$2,595 USD