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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 $4,755 NZD
$2,680 USD
As of October 26, 2026
Save $1,710 NZD (26%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,100 NZD 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

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 26
Current: $6,465 NZD|Low: $4,194 NZD|High: $8,986 NZD|Avg: $5,752 NZD|+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$4,197 NZD
Retailer 8$4,755 NZD
Retailer 5$4,762 NZD
Retailer 11$4,826 NZD
Retailer 3$4,899 NZD
Retailer 2$5,309 NZD
Retailer 6$5,626 NZD
Retailer 10$6,152 NZD
Retailer 4$6,189 NZD
Retailer 1$6,465 NZD
Retailer 7$8,892 NZD

29 data points across 11 retailers

19 retailers$4,755 NZD to $6,465 NZD

Retailer 1
-
$4,197 NZD
₹225,262 INR
Price last confirmed 13 days ago
A
Retailer 2
-
$4,755 NZD
$2,680 USD
View
Retailer 3
-
$4,755 NZD
$2,680 USD
View
Price last confirmed 6 days ago
A
Retailer 4
-
$4,762 NZD
£2,113 GBP
View
Price last confirmed 7 days ago
Retailer 5
-
$4,826 NZD
$2,720 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$5,048 NZD
$2,845 USD
View
Retailer 7
-
$5,309 NZD
$2,992 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$5,309 NZD
$2,992 USD
View
Price last confirmed 25 days ago
A
Retailer 9
-
$5,309 NZD
$2,992 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$5,513 NZD
$3,107 USD
View
Price last confirmed 33 days ago
A
Retailer 11
-
$5,626 NZD
£2,497 GBP
View
Price last confirmed 7 days ago
Retailer 12
-
$6,127 NZD
$3,453 USD
View
Price last confirmed 24 days ago
Retailer 13
-
$6,127 NZD
$3,453 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$6,152 NZD
£2,730 GBP
View
B+
Retailer 15
-
$6,189 NZD
€3,322 EUR
View
B+
Retailer 16
-
$6,465 NZD
ZAR 58,865 ZAR
View
Retailer 17
-
$8,892 NZD
£3,946 GBP
View
Price last confirmed 8 days ago
Retailer 18
-
$11,100 NZD
$6,256 USD
View
Price last confirmed 35 days ago
Most Expensive
NZ Jewellers
6d215403-b980-493e-ac6e-13837c2962e8 · Oct 23
$11,100 NZD
$6,256 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from $4,755 NZDSave up to $1,710 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.

A
1.20ct Round
$4,755 NZD