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1.27ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 722558728

Shape and cutting style on the report: Round brilliant

Certificate IGI 722558728

Diamond specifications and retailer prices

From $2,808 CAD
$2,010 USD
As of October 28, 2026
Save $3,689 CAD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,497 CAD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 722558728. Listed at 11 retailers as of October 27, 2026, with prices from $2,808 to $6,497, a $3,689 spread on the same certified stone. NZ Jewellers lists it at $6,497. 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

1.27
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 722558728
Dimensions6.85 × 6.88 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.85 mm6.88 mm1.27 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 722558728
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

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 28
Current: $6,497 CAD|Low: $2,808 CAD|High: $6,497 CAD|Avg: $3,825 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
October 28, 2026
Retailer 8$2,808 CAD
Retailer 5$2,965 CAD
Retailer 10$3,048 CAD
Retailer 9$3,108 CAD
Retailer 11$3,108 CAD
Retailer 7$3,251 CAD
Retailer 3$3,302 CAD
Retailer 12$3,586 CAD
Retailer 4$3,724 CAD
Retailer 2$3,875 CAD
Retailer 6$5,452 CAD
NZ Jewellers$6,497 CAD

21 data points across 12 retailers

11 retailers$2,808 CAD to $6,497 CAD

A
Cheapest Retailer
-
$2,808 CAD
$2,010 USD
A
Retailer 2
-
$2,965 CAD
£1,671 GBP
View
A
Retailer 3
-
$3,048 CAD
$2,182 USD
View
A
Retailer 4
-
$3,108 CAD
$2,225 USD
View
Retailer 5
-
$3,108 CAD
$2,225 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$3,251 CAD
$2,327 USD
View
A
Retailer 7
-
$3,302 CAD
$2,364 USD
View
A
Retailer 8
-
$3,586 CAD
$2,567 USD
View
A
Retailer 9
-
$3,875 CAD
€2,642 EUR
View
B+
Retailer 10
-
$5,452 CAD
£3,073 GBP
View
Most Expensive
B
NZ Jewellers
e363ac91-d48e-44a0-bcad-6ccbbdf1bddd · Oct 27
$6,497 CAD
$4,651 USD
View
10 more retailers have this diamond
Prices start from $2,808 CADSave up to $3,689 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
1.27ct Round
$2,808 CAD