Round|Natural|GIA

1.21ct F IF Round Natural Diamond

EX • F/IF • GIA 1558915853

Certificate GIA 1558915853

Diamond specifications and retailer prices

From $9,560 USD
As of November 5, 2026
Save $5,453 USD (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $15,013 USD at NZ Jewellers · As of November 7, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1558915853. Listed at 8 retailers as of November 7, 2026, with prices from $9,560 to $15,013, a $5,453 spread on the same certified stone. NZ Jewellers lists it at $15,013. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1558915853
Dimensions6.77 × 6.81 × 4.21 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
6.77 mm6.81 mm1.21 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558915853
Side View
Table 57.0%Crown 35°GirdlePavilion 40.8°CuletDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $15,013 USD|Low: $9,560 USD|High: $15,222 USD|Avg: $11,532 USD|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 3$9,560 USD
Retailer 7$9,560 USD
Retailer 5$9,648 USD
Retailer 8$9,950 USD
Retailer 6$10,771 USD
Retailer 4$10,937 USD
Retailer 9$12,455 USD
Retailer 2$13,992 USD
NZ Jewellers$15,013 USD

38 data points across 9 retailers

8 retailers$9,560 USD to $15,013 USD

B+
Cheapest Retailer
-
$9,560 USD
B+
Retailer 2
-
$9,560 USD
View
B+
Retailer 3
-
$9,648 USD
View
Retailer 4
-
$9,950 USD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
$10,771 USD
View
B+
Retailer 6
-
$10,937 USD
View
B
Retailer 7
-
$13,992 USD
View
Most Expensive
B
NZ Jewellers
864bdc8c-98db-49da-98dc-90366f90c9bd · Nov 7
$15,013 USD
View
7 more retailers have this diamond
Prices start from $9,560 USDSave up to $5,453 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
$9,560 USD