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Round|Natural|IGI

1.20ct K IF Round Natural Diamond

EX • K/IF • IGI 821603919

Shape and cutting style on the report: Round brilliant

Certificate IGI 821603919

Diamond specifications and retailer prices

From $3,752 NZD
As of November 6, 2026
Save $5,053 NZD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,805 NZD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 821603919. Listed at 7 retailers as of November 5, 2026, with prices from $3,752 to $8,805, a $5,053 spread on the same certified stone. NZ Jewellers lists it at $8,805. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 821603919
Dimensions6.74 × 6.78 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.74 mm6.78 mm1.20 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 821603919
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°CuletDepth 62.1%

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: Nov 6
Current: $8,805 NZD|Low: $3,749 NZD|High: $8,805 NZD|Avg: $5,681 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$3,752 NZD
Retailer 6$4,212 NZD
Retailer 5$4,405 NZD
Retailer 3$5,231 NZD
Retailer 7$6,420 NZD
Retailer 4$7,358 NZD
NZ Jewellers$8,805 NZD

40 data points across 7 retailers

7 retailers$3,752 NZD to $8,805 NZD

A
Cheapest Retailer
-
$3,752 NZD
A
Retailer 2
-
$4,212 NZD
View
A
Retailer 3
-
$4,405 NZD
View
A
Retailer 4
-
$5,231 NZD
View
B+
Retailer 5
-
$6,420 NZD
View
B+
Retailer 6
-
$7,358 NZD
View
Most Expensive
B
NZ Jewellers
9100e581-9c60-4599-9694-3e1d900395cf · Nov 5
$8,805 NZD
$4,881 USD
View
6 more retailers have this diamond
Prices start from $3,752 NZDSave up to $5,053 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
$3,752 NZD