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Round|Natural|GIA

1.21ct K IF Round Natural Diamond

EX • K/IF • GIA 5556800658

Certificate GIA 5556800658

Diamond specifications and retailer prices

From $3,925 NZD
As of November 6, 2026
Save $7,203 NZD (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,128 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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5556800658. Listed at 9 retailers as of November 5, 2026, with prices from $3,925 to $11,128, a $7,203 spread on the same certified stone. NZ Jewellers lists it at $11,128. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5556800658
Dimensions6.72 × 6.77 × 4.21 mm
L/W Ratio1.01
Top View
6.72 mm6.77 mm1.21 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5556800658
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.5%

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: $11,128 NZD|Low: $3,925 NZD|High: $11,305 NZD|Avg: $6,429 NZD|+9.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$3,925 NZD
Retailer 8$4,795 NZD
Retailer 6$5,323 NZD
Retailer 7$5,435 NZD
Retailer 2$5,439 NZD
Retailer 3$5,457 NZD
Retailer 4$6,112 NZD
Retailer 5$8,877 NZD
NZ Jewellers$11,128 NZD

38 data points across 9 retailers

9 retailers$3,925 NZD to $11,128 NZD

A
Cheapest Retailer
-
$3,925 NZD
A
Retailer 2
-
$4,795 NZD
View
A
Retailer 3
-
$5,323 NZD
View
A
Retailer 4
-
$5,435 NZD
View
A
Retailer 5
-
$5,439 NZD
View
A
Retailer 6
-
$5,457 NZD
View
A
Retailer 7
-
$6,112 NZD
View
B+
Retailer 8
-
$8,877 NZD
View
Most Expensive
B
NZ Jewellers
d4a2d80d-02a2-405c-b5bc-e92a39e7fa91 · Nov 5
$11,128 NZD
$6,169 USD
View
8 more retailers have this diamond
Prices start from $3,925 NZDSave up to $7,203 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
$3,925 NZD