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Round|Natural|GIA

1.21ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6565200380

Certificate GIA 6565200380

Diamond specifications and retailer prices

From $2,645 CAD
As of November 6, 2026
Save $4,711 CAD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,356 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 6565200380. Listed at 21 retailers as of November 5, 2026, with prices from $2,645 to $7,356, a $4,711 spread on the same certified stone. NZ Jewellers lists it at $7,356. 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
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565200380
Dimensions6.76 × 6.82 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.76 mm6.82 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565200380
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 6
Current: $7,356 CAD|Low: $2,645 CAD|High: $7,356 CAD|Avg: $4,070 CAD
NZ Jewellers
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
November 6, 2026
Retailer 15$2,645 CAD
Retailer 2$2,753 CAD
Retailer 11$2,803 CAD
Retailer 14$3,198 CAD
Retailer 3$3,275 CAD
Retailer 8$3,320 CAD
Retailer 4$3,518 CAD
Retailer 6$3,518 CAD
Retailer 5$3,681 CAD
Retailer 9$3,701 CAD
Retailer 7$4,060 CAD
Retailer 10$4,295 CAD
Retailer 12$4,364 CAD
Retailer 13$6,146 CAD
NZ Jewellers$7,356 CAD

23 data points across 15 retailers

21 retailers$2,645 CAD to $7,356 CAD

A
Cheapest Retailer
-
$2,645 CAD
A
Retailer 2
-
$2,753 CAD
View
A
Retailer 3
-
$2,803 CAD
View
B+
Retailer 4
-
$3,198 CAD
View
B+
Retailer 5
-
$3,275 CAD
View
B+
Retailer 6
-
$3,275 CAD
View
B+
Retailer 7
-
$3,302 CAD
View
B+
Retailer 8
-
$3,320 CAD
View
Retailer 9
-
$3,518 CAD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,518 CAD
View
B+
Retailer 11
-
$3,617 CAD
View
B+
Retailer 12
-
$3,677 CAD
View
B+
Retailer 13
-
$3,681 CAD
View
B+
Retailer 14
-
$3,701 CAD
View
B+
Retailer 15
-
$3,714 CAD
View
Retailer 16
-
$3,941 CAD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$4,060 CAD
View
B+
Retailer 18
-
$4,295 CAD
View
B+
Retailer 19
-
$4,364 CAD
View
B
Retailer 20
-
$6,146 CAD
View
Most Expensive
B
NZ Jewellers
3949d498-801d-49b3-ac99-dac1d4bfa867 · Nov 5
$7,356 CAD
$5,267 USD
View
20 more retailers have this diamond
Prices start from $2,645 CADSave up to $4,711 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
$2,645 CAD