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Round|Natural|IGI

1.20ct J IF Round Natural Diamond

EX • J/IF • IGI 717591807

Shape and cutting style on the report: Round brilliant

Certificate IGI 717591807

Diamond specifications and retailer prices

From $3,815 AUD
$2,680 USD
As of October 26, 2026
Save $1,372 AUD (26%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,906 AUD at NZ Jewellers · As of October 23, 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 717591807. Listed at 19 retailers as of October 26, 2026, with a 36% 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 angle34.8°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 717591807
Dimensions6.72 × 6.68 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.72 mm6.68 mm1.20 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 717591807
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 41.7°Culet: NoneDepth 63.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $5,187 AUD|Low: $3,365 AUD|High: $7,210 AUD|Avg: $4,615 AUD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 26, 2026
Retailer 9$3,367 AUD
Retailer 8$3,815 AUD
Retailer 5$3,821 AUD
Retailer 11$3,872 AUD
Retailer 3$3,931 AUD
Retailer 2$4,259 AUD
Retailer 6$4,514 AUD
Retailer 10$4,936 AUD
Retailer 4$4,966 AUD
Retailer 1$5,187 AUD
Retailer 7$7,134 AUD

29 data points across 11 retailers

19 retailers$3,815 AUD to $5,187 AUD

Retailer 1
-
$3,367 AUD
₹225,262 INR
Price last confirmed 12 days ago
A
Retailer 2
-
$3,815 AUD
$2,680 USD
View
Retailer 3
-
$3,815 AUD
$2,680 USD
View
Price last confirmed 6 days ago
A
Retailer 4
-
$3,821 AUD
£2,113 GBP
View
Retailer 5
-
$3,872 AUD
$2,720 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$4,050 AUD
$2,845 USD
View
Retailer 7
-
$4,259 AUD
$2,992 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$4,259 AUD
$2,992 USD
View
Price last confirmed 25 days ago
A
Retailer 9
-
$4,259 AUD
$2,992 USD
View
Retailer 10
-
$4,423 AUD
$3,107 USD
View
Price last confirmed 33 days ago
A
Retailer 11
-
$4,514 AUD
£2,497 GBP
View
Retailer 12
-
$4,916 AUD
$3,453 USD
View
Price last confirmed 23 days ago
Retailer 13
-
$4,916 AUD
$3,453 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$4,936 AUD
£2,730 GBP
View
B+
Retailer 15
-
$4,966 AUD
€3,322 EUR
View
B+
Retailer 16
-
$5,187 AUD
ZAR 58,865 ZAR
View
Retailer 17
-
$7,134 AUD
£3,946 GBP
View
Price last confirmed 8 days ago
Retailer 18
-
$8,906 AUD
$6,256 USD
View
Price last confirmed 35 days ago
Most Expensive
NZ Jewellers
6d215403-b980-493e-ac6e-13837c2962e8 · Oct 23
$8,906 AUD
$6,256 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from $3,815 AUDSave up to $1,372 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.

A
1.20ct Round
$3,815 AUD