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Round|Natural|GIA

1.21ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7541433747

Certificate GIA 7541433747

Diamond specifications and retailer prices

From $2,736 CAD
As of November 5, 2026
Save $3,535 CAD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,271 CAD at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7541433747. Listed at 11 retailers as of November 5, 2026, with prices from $2,736 to $6,271, a $3,535 spread on the same certified stone. NZ Jewellers lists it at $6,271. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7541433747
Dimensions6.80 × 6.76 × 4.22 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
6.80 mm6.76 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541433747
Side View
Table 59.0%Crown 35.5°GirdlePavilion 41°Culet: NoneDepth 62.3%

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 5
Current: $6,271 CAD|Low: $2,538 CAD|High: $7,275 CAD|Avg: $3,911 CAD|-13.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$2,736 CAD
Retailer 7$2,768 CAD
Retailer 2$2,831 CAD
Retailer 3$3,000 CAD
Retailer 8$3,138 CAD
Retailer 4$3,450 CAD
Retailer 9$3,461 CAD
Retailer 5$4,064 CAD
Retailer 6$5,240 CAD
Retailer 11$5,437 CAD
NZ Jewellers$6,271 CAD

44 data points across 11 retailers

11 retailers$2,736 CAD to $6,271 CAD

A
Cheapest Retailer
-
$2,736 CAD
A
Retailer 2
-
$2,768 CAD
View
Final sale: no returns
A
Retailer 3
-
$2,831 CAD
View
B+
Retailer 4
-
$3,000 CAD
View
B+
Retailer 5
-
$3,138 CAD
View
B+
Retailer 6
-
$3,450 CAD
View
B+
Retailer 7
-
$3,461 CAD
View
B
Retailer 8
-
$4,064 CAD
View
B
Retailer 9
-
$5,240 CAD
View
B
Retailer 10
-
$5,437 CAD
View
Most Expensive
B
NZ Jewellers
8dbac2f0-1cc8-43ae-bf97-1e4325459bfa · Nov 5
$6,271 CAD
$4,490 USD
View
10 more retailers have this diamond
Prices start from $2,736 CADSave up to $3,535 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
$2,736 CAD