Radiant|Natural|GIA

1.21ct F I1 Radiant Natural Diamond

EX • F/I1 • GIA 2557139119

Certificate GIA 2557139119

Diamond specifications and retailer prices

From $3,833 CAD
$2,743 USD
As of October 29, 2026
Save $648 CAD (14%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,481 CAD at Yorxs · As of October 29, 2026
View at Yorxs

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557139119. Listed at 5 retailers as of October 29, 2026, with prices from $3,833 to $4,481, a $648 spread on the same certified stone. Yorxs lists it at $4,481. 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
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle49.65°
Pavilion angle36.04°
OriginNatural
Grading LabGIA
CertificateGIA 2557139119
Dimensions7.01 × 5.36 × 3.63 mm
L/W Ratio1.31
Top View
7.01 mm5.36 mm1.21 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2557139119
Side View
Table 70.0%Crown 49.65°GirdlePavilion 36.04°Culet: NoneDepth 67.6%

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: Oct 29
Current: $3,980 CAD|Low: $3,382 CAD|High: $4,481 CAD|Avg: $3,901 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 29, 2026
Retailer 6$3,382 CAD
Retailer 2$3,432 CAD
Retailer 4$3,833 CAD
Retailer 5$3,833 CAD
Retailer 1$3,980 CAD
Retailer 3$4,423 CAD
Yorxs$4,481 CAD

6 data points across 7 retailers

5 retailers$3,833 CAD to $4,481 CAD

Retailer 1
-
$3,432 CAD
$2,456 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$3,833 CAD
$2,743 USD
View
B+
Retailer 3
-
$3,980 CAD
$2,848 USD
View
Retailer 4
-
$4,423 CAD
$3,165 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Yorxs
9E87A0E04 · Oct 29
$4,481 CAD
€3,054 EUR
View
4 more retailers have this diamond
Prices start from $3,833 CADSave up to $648 CAD

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 Radiant
$3,833 CAD