Round|Natural|GIA

1.21ct F FL Round Natural Diamond

EX • F/FL • GIA 6555155245

Certificate GIA 6555155245

Diamond specifications and retailer prices

From $7,496 USD
As of November 1, 2026
Save $5,730 USD (43%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,226 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555155245. Listed at 18 retailers as of November 1, 2026, with prices from $7,496 to $13,226, a $5,730 spread on the same certified stone. MOH London lists it at $13,226. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555155245
Dimensions6.76 × 6.81 × 4.26 mm
L/W Ratio1.01
Top View
6.76 mm6.81 mm1.21 ctF / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555155245
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,226 USD|Low: $7,496 USD|High: $13,262 USD|Avg: $9,615 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 3$7,496 USD
Retailer 18$7,542 USD
Retailer 12$7,672 USD
Retailer 2$7,895 USD
Retailer 17$7,981 USD
Retailer 5$8,091 USD
Retailer 11$9,124 USD
Retailer 6$9,342 USD
Retailer 14$9,357 USD
Retailer 7$9,427 USD
Retailer 15$9,579 USD
Retailer 13$9,629 USD
Retailer 9$9,644 USD
Retailer 16$10,692 USD
Retailer 10$11,214 USD
Retailer 8$11,772 USD
Retailer 4$12,998 USD
MOH London$13,226 USD

24 data points across 18 retailers

18 retailers$7,496 USD to $13,226 USD

A
Cheapest Retailer
-
$7,496 USD
A
Retailer 2
-
$7,542 USD
View
A
Retailer 3
-
$7,672 USD
View
A
Retailer 4
-
$7,895 USD
View
A
Retailer 5
-
$7,981 USD
View
A
Retailer 6
-
$8,091 USD
View
B+
Retailer 7
-
$9,124 USD
View
B+
Retailer 8
-
$9,342 USD
View
B+
Retailer 9
-
$9,357 USD
View
B+
Retailer 10
-
$9,427 USD
View
B+
Retailer 11
-
$9,579 USD
View
B+
Retailer 12
-
$9,629 USD
View
Retailer 13
-
$9,644 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$10,547 USD
View
B+
Retailer 15
-
$10,692 USD
View
B+
Retailer 16
-
$11,772 USD
View
B
Retailer 17
-
$12,998 USD
View
Most Expensive
B
MOH London
87F3DDF8A · Nov 4
$13,226 USD
£10,414 GBP
View
17 more retailers have this diamond
Prices start from $7,496 USDSave up to $5,730 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
$7,496 USD