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Heart|Natural|GIA

1.21ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1418156170

Certificate GIA 1418156170

Diamond specifications and retailer prices

From $4,074 CAD
As of November 6, 2026
Save $8,024 CAD (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,098 CAD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1418156170. Listed at 8 retailers as of November 6, 2026, with prices from $4,074 to $12,098, a $8,024 spread on the same certified stone. Yorxs lists it at $12,098. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1418156170
Dimensions7.26 × 7.37 × 4.00 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
7.26 mm7.37 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1418156170
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.3%

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 6
Current: $6,475 CAD|Low: $4,074 CAD|High: $12,194 CAD|Avg: $8,299 CAD|-37.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 6, 2026
Retailer 4$4,074 CAD
Retailer 3$4,331 CAD
Retailer 6$4,380 CAD
Retailer 5$4,532 CAD
Retailer 7$5,514 CAD
Retailer 1$6,475 CAD
Retailer 2$6,956 CAD
Yorxs$12,098 CAD

44 data points across 8 retailers

8 retailers$4,074 CAD to $12,098 CAD

B+
Cheapest Retailer
-
$4,074 CAD
B+
Retailer 2
-
$4,331 CAD
View
B+
Retailer 3
-
$4,380 CAD
View
B+
Retailer 4
-
$4,532 CAD
View
Final sale: no returns
B
Retailer 5
-
$5,514 CAD
View
B
Retailer 6
-
$6,475 CAD
View
B
Retailer 7
-
$6,956 CAD
View
Most Expensive
B
Yorxs
217813255 · Nov 6
$12,098 CAD
€8,191 EUR
View
7 more retailers have this diamond
Prices start from $4,074 CADSave up to $8,024 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 Heart
$4,074 CAD