Round|Natural|GIA

1.21ct K IF Round Natural Diamond

EX • K/IF • GIA 7551653199

Certificate GIA 7551653199

Diamond specifications and retailer prices

From $3,607 USD
As of November 4, 2026
Save $3,202 USD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,809 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 7551653199. Listed at 6 retailers as of November 4, 2026, with prices from $3,607 to $6,809, a $3,202 spread on the same certified stone. NZ Jewellers lists it at $6,809. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551653199
Dimensions6.80 × 6.76 × 4.24 mm
L/W Ratio1.01
Star length45%
Top View
6.80 mm6.76 mm1.21 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551653199
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,809 USD|Low: $3,607 USD|High: $6,809 USD|Avg: $5,054 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$3,607 USD
Retailer 6$3,674 USD
Retailer 2$4,332 USD
Retailer 3$4,464 USD
Retailer 4$6,535 USD
NZ Jewellers$6,809 USD

22 data points across 6 retailers

6 retailers$3,607 USD to $6,809 USD

B+
Cheapest Retailer
-
$3,607 USD
Final sale: no returns
B+
Retailer 2
-
$3,674 USD
View
B+
Retailer 3
-
$4,332 USD
View
B+
Retailer 4
-
$4,464 USD
View
B
Retailer 5
-
$6,535 USD
View
Most Expensive
B
NZ Jewellers
ef8daf7d-c011-4dab-b246-1cd1973bd907 · Nov 5
$6,809 USD
View
5 more retailers have this diamond
Prices start from $3,607 USDSave up to $3,202 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.

B+
1.21ct Round
$3,607 USD