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Round|Natural|IGI

1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 826667616

Shape and cutting style on the report: Round brilliant

Certificate IGI 826667616

Diamond specifications and retailer prices

From $3,268 CAD
As of November 6, 2026
Save $4,360 CAD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,628 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.29ct natural round diamond

This 1.29ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 826667616. Listed at 15 retailers as of November 5, 2026, with prices from $3,268 to $7,628, a $4,360 spread on the same certified stone. NZ Jewellers lists it at $7,628. 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

1.29
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 826667616
Dimensions6.85 × 6.90 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.85 mm6.90 mm1.29 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 826667616
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 6
Current: $7,628 CAD|Low: $3,151 CAD|High: $7,787 CAD|Avg: $4,329 CAD|-2.0%
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 4$3,268 CAD
Retailer 5$3,367 CAD
Retailer 6$3,492 CAD
Retailer 12$3,603 CAD
Retailer 3$3,649 CAD
Retailer 13$3,649 CAD
Retailer 7$3,665 CAD
Retailer 14$3,789 CAD
Retailer 2$3,906 CAD
Retailer 15$4,211 CAD
Retailer 8$4,274 CAD
Retailer 10$4,454 CAD
Retailer 9$4,521 CAD
Retailer 11$6,375 CAD
NZ Jewellers$7,628 CAD

36 data points across 15 retailers

15 retailers$3,268 CAD to $7,628 CAD

A
Cheapest Retailer
-
$3,268 CAD
A
Retailer 2
-
$3,367 CAD
View
Final sale: no returns
A
Retailer 3
-
$3,492 CAD
View
A
Retailer 4
-
$3,603 CAD
View
Retailer 5
-
$3,649 CAD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$3,649 CAD
View
A
Retailer 7
-
$3,665 CAD
View
A
Retailer 8
-
$3,789 CAD
View
A
Retailer 9
-
$3,906 CAD
View
A
Retailer 10
-
$4,211 CAD
View
A
Retailer 11
-
$4,274 CAD
View
A
Retailer 12
-
$4,454 CAD
View
A
Retailer 13
-
$4,521 CAD
View
B+
Retailer 14
-
$6,375 CAD
View
Most Expensive
B
NZ Jewellers
0b5aed81-2d88-431e-9682-5718c1024ac9 · Nov 5
$7,628 CAD
$5,462 USD
View
14 more retailers have this diamond
Prices start from $3,268 CADSave up to $4,360 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
1.29ct Round
$3,268 CAD