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Round|Natural|GIA

1.21ct K IF Round Natural Diamond

EX • K/IF • GIA 1557598486

Certificate GIA 1557598486

Diamond specifications and retailer prices

From $3,012 USD
As of November 1, 2026
Save $2,131 USD (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,412 USD at NZ Jewellers · As of October 17, 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 1557598486. Listed at 9 retailers as of November 1, 2026, with a 71% 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

1.21
Carat
K
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle0.44°
OriginNatural
Grading LabGIA
CertificateGIA 1557598486
Dimensions6.76 × 6.81 × 4.26 mm
L/W Ratio1.01
Girdle conditionMedium to Slightly Thick
Culet sizeNone
Top View
6.76 mm6.81 mm1.21 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1557598486
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 0.44°Culet: NoneDepth 62.8%

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 1
Current: $3,159 USD|Low: $3,012 USD|High: $5,574 USD|Avg: $3,753 USD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$3,012 USD
Retailer 1$3,159 USD
Retailer 6$3,262 USD
Retailer 2$3,572 USD
Retailer 3$3,754 USD
Retailer 4$5,143 USD

43 data points across 6 retailers

9 retailers$3,012 USD to $5,143 USD

A
Cheapest Retailer
-
$3,012 USD
Retailer 2
-
$3,107 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$3,159 USD
View
Retailer 4
-
$3,226 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$3,572 USD
View
Retailer 6
-
$3,585 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$3,754 USD
View
B
Retailer 8
-
$5,143 USD
View
Most Expensive
NZ Jewellers
53379390-47f2-408b-80a1-f7261807b4dd · Oct 17
$5,412 USD
View
Price last confirmed 20 days ago
8 more retailers have this diamond
Prices start from $3,012 USDSave up to $2,131 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
$3,012 USD