CaratHunter
Plans
Round|Natural|GIA

1.21ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2557099524

Certificate GIA 2557099524

Diamond specifications and retailer prices

From $3,151 CAD
As of November 6, 2026
Save $3,788 CAD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,765 CAD 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557099524. Listed at 17 retailers as of November 2, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557099524
Dimensions6.79 × 6.84 × 4.16 mm
L/W Ratio1.01
Top View
6.79 mm6.84 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557099524
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

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 6
Current: $3,282 CAD|Low: $3,132 CAD|High: $7,095 CAD|Avg: $4,336 CAD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$3,151 CAD
Retailer 1$3,282 CAD
Retailer 7$3,681 CAD
Retailer 10$3,823 CAD
Retailer 2$3,830 CAD
Retailer 3$4,193 CAD
Retailer 9$4,310 CAD
Retailer 5$4,366 CAD
Retailer 4$4,391 CAD
Retailer 6$4,820 CAD
Retailer 8$6,939 CAD

38 data points across 11 retailers

17 retailers$3,151 CAD to $6,939 CAD

A
Cheapest Retailer
-
$3,151 CAD
A
Retailer 2
-
$3,282 CAD
View
A
Retailer 3
-
$3,681 CAD
View
A
Retailer 4
-
$3,823 CAD
View
A
Retailer 5
-
$3,830 CAD
View
Final sale: no returns
A
Retailer 6
-
$3,908 CAD
View
Retailer 7
-
$4,193 CAD
View
Price last confirmed 43 days ago
Retailer 8
-
$4,193 CAD
View
Price last confirmed 17 days ago
Retailer 9
-
$4,193 CAD
View
Price last confirmed 21 days ago
A
Retailer 10
-
$4,310 CAD
View
A
Retailer 11
-
$4,366 CAD
View
B+
Retailer 12
-
$4,391 CAD
View
B+
Retailer 13
-
$4,820 CAD
View
Retailer 14
-
$4,837 CAD
View
Price last confirmed 45 days ago
B
Retailer 15
-
$6,939 CAD
View
Retailer 16
-
$8,765 CAD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
7f9bf449-dab7-4491-b009-3dc9b40f010e · Oct 17
$8,765 CAD
$6,231 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from $3,151 CADSave up to $3,788 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.

A
1.21ct Round
$3,151 CAD