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Round|Natural|GIA

1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1509523552

Certificate GIA 1509523552

Diamond specifications and retailer prices

From $4,332 CAD
£2,442 GBP
As of October 30, 2026
Save $4,195 CAD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,527 CAD at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1509523552. Listed at 12 retailers as of October 30, 2026, with prices from $4,332 to $8,527, a $4,195 spread on the same certified stone. NZ Jewellers lists it at $8,527. 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
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1509523552
Dimensions6.75 × 6.80 × 4.23 mm
L/W Ratio1.01
Top View
6.75 mm6.80 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1509523552
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.0%

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: Oct 30
Current: $5,083 CAD|Low: $4,318 CAD|High: $8,283 CAD|Avg: $5,562 CAD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2$4,332 CAD
Retailer 5$4,344 CAD
Retailer 6$5,082 CAD
Retailer 1$5,083 CAD
Retailer 3$5,731 CAD
Retailer 4$8,228 CAD

44 data points across 6 retailers

12 retailers$4,332 CAD to $8,527 CAD

A
Cheapest Retailer
-
$4,332 CAD
£2,442 GBP
A
Retailer 2
-
$4,344 CAD
$3,110 USD
View
Retailer 3
-
$4,435 CAD
$3,175 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$4,893 CAD
$3,503 USD
View
A
Retailer 5
-
$4,893 CAD
$3,503 USD
View
B+
Retailer 6
-
$5,081 CAD
SGD 4,915 SGD
View
B+
Retailer 7
-
$5,082 CAD
$3,638 USD
View
A
Retailer 8
-
$5,083 CAD
£2,865 GBP
View
B+
Retailer 9
-
$5,646 CAD
$4,042 USD
View
B+
Retailer 10
-
$5,731 CAD
€3,907 EUR
View
B
Retailer 11
-
$8,228 CAD
£4,638 GBP
View
Most Expensive
B
NZ Jewellers
f9f848ad-713c-47f4-a762-4686ae3f456c · Oct 30
$8,527 CAD
$6,104 USD
View
11 more retailers have this diamond
Prices start from $4,332 CADSave up to $4,195 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
$4,332 CAD