Round|Natural|GIA

1.21ct K IF Round Natural Diamond

EX • K/IF • GIA 5556800658

Certificate GIA 5556800658

Diamond specifications and retailer prices

From $2,176 USD
As of November 6, 2026
Save $3,993 USD (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,169 USD 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 $2,176 to $6,169, a $3,993 spread on the same certified stone. NZ Jewellers lists it at $6,169. 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
Color
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: $6,169 USD|Low: $2,176 USD|High: $6,267 USD|Avg: $3,564 USD|+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$2,176 USD
Retailer 8$2,658 USD
Retailer 6$2,951 USD
Retailer 7$3,013 USD
Retailer 2$3,025 USD
Retailer 5$3,064 USD
Retailer 3$3,388 USD
Retailer 4$4,921 USD
NZ Jewellers$6,169 USD

38 data points across 9 retailers

9 retailers$2,176 USD to $6,169 USD

A
Cheapest Retailer
-
$2,176 USD
A
Retailer 2
-
$2,658 USD
View
A
Retailer 3
-
$2,951 USD
View
A
Retailer 4
-
$3,013 USD
View
A
Retailer 5
-
$3,025 USD
View
A
Retailer 6
-
$3,064 USD
View
A
Retailer 7
-
$3,388 USD
View
B+
Retailer 8
-
$4,921 USD
View
Most Expensive
B
NZ Jewellers
d4a2d80d-02a2-405c-b5bc-e92a39e7fa91 · Nov 5
$6,169 USD
View
8 more retailers have this diamond
Prices start from $2,176 USDSave up to $3,993 USD

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
$2,176 USD