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Round|Natural|IGI

1.21ct M IF Round Natural Diamond

EX • M/IF • IGI 523201890

Shape and cutting style on the report: Round brilliant

Certificate IGI 523201890

Diamond specifications and retailer prices

From $2,667 NZD
As of November 6, 2026
Save $4,529 NZD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,196 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 523201890. Listed at 11 retailers as of November 5, 2026, with prices from $2,667 to $7,196, a $4,529 spread on the same certified stone. NZ Jewellers lists it at $7,196. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.4°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 523201890
Dimensions6.78 × 6.81 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT Minor graining
Top View
6.78 mm6.81 mm1.21 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 523201890
Side View
Table 58.5%Crown 35.4°GirdlePavilion 40.9°Culet: NoneDepth 62.0%

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: $7,196 NZD|Low: $2,665 NZD|High: $7,196 NZD|Avg: $3,627 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$2,667 NZD
Retailer 6$2,949 NZD
Retailer 10$2,949 NZD
Retailer 3$3,077 NZD
Retailer 8$3,086 NZD
Retailer 11$3,191 NZD
Retailer 9$3,405 NZD
Retailer 5$3,600 NZD
Retailer 4$3,999 NZD
Retailer 7$4,202 NZD
NZ Jewellers$7,196 NZD

37 data points across 11 retailers

11 retailers$2,667 NZD to $7,196 NZD

A
Cheapest Retailer
-
$2,667 NZD
A
Retailer 2
-
$2,734 NZD
View
A
Retailer 3
-
$2,949 NZD
View
A
Retailer 4
-
$3,077 NZD
View
A
Retailer 5
-
$3,086 NZD
View
A
Retailer 6
-
$3,191 NZD
View
A
Retailer 7
-
$3,405 NZD
View
A
Retailer 8
-
$3,600 NZD
View
A
Retailer 9
-
$3,999 NZD
View
B+
Retailer 10
-
$4,202 NZD
View
Most Expensive
B
NZ Jewellers
c7801b19-7fbf-4829-a097-3a750cf755c2 · Nov 5
$7,196 NZD
$4,045 USD
View
10 more retailers have this diamond
Prices start from $2,667 NZDSave up to $4,529 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
1.21ct Round
$2,667 NZD