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Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1529681089

Certificate GIA 1529681089

Diamond specifications and retailer prices

From $3,665 CAD
As of November 6, 2026
Save $4,750 CAD (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $8,415 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1529681089. Listed at 26 retailers as of November 5, 2026, with prices from $3,665 to $8,415, a $4,750 spread on the same certified stone. NZ Jewellers lists it at $8,415. 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

1.20
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1529681089
Dimensions6.76 × 6.72 × 4.23 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Additional pinpoints are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle, Pinpoint
Top View
6.76 mm6.72 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1529681089
Side View
Table 57.0%Crown 36°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 62.8%

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: $8,415 CAD|Low: $3,628 CAD|High: $8,551 CAD|Avg: $4,996 CAD|-1.6%
NZ Jewellers
Retailer 2
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Retailer 10
Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 6, 2026
Retailer 22$3,665 CAD
Retailer 4$3,790 CAD
Retailer 6$3,806 CAD
Retailer 23$3,829 CAD
Retailer 3$3,857 CAD
Retailer 12$3,962 CAD
Retailer 17$4,001 CAD
Retailer 7$4,035 CAD
Retailer 9$4,253 CAD
Retailer 8$4,376 CAD
Retailer 14$4,376 CAD
Retailer 16$4,472 CAD
Retailer 11$4,545 CAD
Retailer 2$4,621 CAD
Retailer 13$4,937 CAD
Retailer 10$4,972 CAD
Retailer 15$4,972 CAD
Retailer 24$5,049 CAD
Retailer 5$5,139 CAD
Retailer 19$5,272 CAD
Retailer 18$5,895 CAD
Retailer 21$6,972 CAD
Retailer 20$8,056 CAD
NZ Jewellers$8,415 CAD

21 data points across 24 retailers

26 retailers$3,665 CAD to $8,415 CAD

A
Cheapest Retailer
-
$3,665 CAD
A
Retailer 2
-
$3,790 CAD
View
A
Retailer 3
-
$3,806 CAD
View
A
Retailer 4
-
$3,829 CAD
View
A
Retailer 5
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$3,857 CAD
View
A
Retailer 6
-
$3,962 CAD
View
Final sale: no returns
Retailer 7
-
$4,001 CAD
View
Price last confirmed 16 days ago
A
Retailer 8
-
$4,035 CAD
View
B+
Retailer 9
-
$4,253 CAD
View
B+
Retailer 10
-
$4,376 CAD
View
Retailer 11
-
$4,376 CAD
View
Price last confirmed 8 days ago
B+
Retailer 12
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$4,472 CAD
View
B+
Retailer 13
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$4,545 CAD
View
B+
Retailer 14
-
$4,621 CAD
View
B+
Retailer 15
-
$4,937 CAD
View
B+
Retailer 16
-
$4,972 CAD
View
B+
Retailer 17
-
$4,972 CAD
View
B+
Retailer 18
-
$5,049 CAD
View
B+
Retailer 19
-
$5,139 CAD
View
Retailer 20
-
$5,220 CAD
View
Price last confirmed 33 days ago
B+
Retailer 21
-
$5,272 CAD
View
Retailer 22
-
$5,518 CAD
View
Price last confirmed 14 days ago
B+
Retailer 23
-
$5,895 CAD
View
B
Retailer 24
-
$6,972 CAD
View
B
Retailer 25
-
$8,056 CAD
View
Most Expensive
B
NZ Jewellers
6ce402cb-b0dc-4558-a70e-96c4bf8bd3c9 · Nov 5
$8,415 CAD
$6,025 USD
View
25 more retailers have this diamond
Prices start from $3,665 CADSave up to $4,750 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
1.20ct Round
$3,665 CAD