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Radiant|Natural|GIA

1.21ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 1443103827

Certificate GIA 1443103827

Diamond specifications and retailer prices

From $5,840 CAD
As of November 6, 2026
Save $7,091 CAD (55%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $12,931 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded D 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 1443103827. Listed at 29 retailers as of November 5, 2026, with prices from $5,840 to $12,931, a $7,091 spread on the same certified stone. NZ Jewellers lists it at $12,931. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1443103827
Dimensions6.70 × 5.35 × 3.73 mm
L/W Ratio1.25
Culet sizeNone
Top View
6.70 mm5.35 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1443103827
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.6%

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: Nov 6
Current: $7,469 CAD|Low: $6,158 CAD|High: $12,461 CAD|Avg: $8,189 CAD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8$6,158 CAD
Retailer 6$6,520 CAD
Retailer 1$7,469 CAD
Retailer 2$7,500 CAD
Retailer 7$7,794 CAD
Retailer 3$8,698 CAD
Retailer 4$9,433 CAD
Retailer 5$12,281 CAD

37 data points across 8 retailers

29 retailers$5,840 CAD to $12,931 CAD

B+
Cheapest Retailer
-
$5,840 CAD
B+
Retailer 2
-
$6,040 CAD
View
B+
Retailer 3
-
$6,107 CAD
View
B+
Retailer 4
-
$6,158 CAD
View
Final sale: no returns
B+
Retailer 5
-
$6,182 CAD
View
B+
Retailer 6
-
$6,376 CAD
View
B+
Retailer 7
-
$6,520 CAD
View
B+
Retailer 8
-
$6,566 CAD
View
B+
Retailer 9
-
$6,590 CAD
View
B
Retailer 10
-
$6,940 CAD
View
Retailer 11
-
$7,005 CAD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$7,005 CAD
View
B
Retailer 13
-
$7,005 CAD
View
B
Retailer 14
-
$7,124 CAD
View
B
Retailer 15
-
$7,469 CAD
View
B
Retailer 16
-
$7,500 CAD
View
B
Retailer 17
-
$7,634 CAD
View
Retailer 18
-
$7,794 CAD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$7,849 CAD
View
B
Retailer 20
-
$7,849 CAD
View
B
Retailer 21
-
$8,082 CAD
View
B
Retailer 22
-
$8,116 CAD
View
Retailer 23
-
$8,531 CAD
View
Price last confirmed 15 days ago
B
Retailer 24
-
$8,698 CAD
View
B
Retailer 25
-
$8,905 CAD
View
B
Retailer 26
-
$9,433 CAD
View
B
Retailer 27
-
$11,195 CAD
View
B
Retailer 28
-
$12,281 CAD
View
Most Expensive
B
NZ Jewellers
9a27df5b-79d0-4380-aa40-91ee1a47bf2e · Nov 5
$12,931 CAD
$9,193 USD
View
28 more retailers have this diamond
Prices start from $5,840 CADSave up to $7,091 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
$5,840 CAD