Round|Natural|GIA

1.09ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6522850805

Certificate GIA 6522850805

Diamond specifications and retailer prices

From $5,453 CAD
$3,896 USD
As of October 28, 2026
Save $5,345 CAD (50%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,851 CAD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6522850805. Listed at 19 retailers as of October 27, 2026, with a 98% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.09
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6522850805
Dimensions6.60 × 6.56 × 4.05 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.60 mm6.56 mm1.09 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522850805
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: Oct 28
Current: $6,282 CAD|Low: $5,269 CAD|High: $10,039 CAD|Avg: $6,488 CAD|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 10$5,453 CAD
Retailer 3$5,570 CAD
Retailer 5$5,612 CAD
Retailer 2$5,720 CAD
Retailer 12$5,871 CAD
Retailer 9$6,197 CAD
Retailer 1$6,282 CAD
Retailer 11$6,407 CAD
Retailer 13$6,426 CAD
Retailer 4$6,644 CAD
Retailer 8$6,986 CAD
Retailer 7$7,547 CAD
Retailer 6$9,926 CAD

43 data points across 13 retailers

19 retailers$5,453 CAD to $10,798 CAD

B+
Cheapest Retailer
-
$5,453 CAD
$3,896 USD
B+
Retailer 2
-
$5,570 CAD
SGD 5,378 SGD
View
B+
Retailer 3
-
$5,612 CAD
$4,010 USD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
$5,720 CAD
$4,087 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,871 CAD
$4,195 USD
View
B+
Retailer 6
-
$6,197 CAD
$4,428 USD
View
B+
Retailer 7
-
$6,197 CAD
$4,428 USD
View
B+
Retailer 8
-
$6,197 CAD
$4,428 USD
View
B+
Retailer 9
-
$6,228 CAD
$4,450 USD
View
Price last confirmed 31 days ago
B+
Retailer 10
-
$6,282 CAD
£3,534 GBP
View
B+
Retailer 11
-
$6,407 CAD
$4,578 USD
View
B+
Retailer 12
-
$6,426 CAD
$4,592 USD
View
B+
Retailer 13
-
$6,644 CAD
A$7,303 AUD
View
Price last confirmed 20 days ago
B+
Retailer 14
-
$6,986 CAD
£3,930 GBP
View
B
Retailer 15
-
$7,187 CAD
$5,135 USD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$7,547 CAD
ZAR 87,118 ZAR
View
B
Retailer 17
-
$9,926 CAD
£5,584 GBP
View
B
Retailer 18
-
$10,798 CAD
$7,715 USD
View
Most Expensive
B
NZ Jewellers
6b55c98d-cb82-4104-94c6-1c51bc4e06db · Sep 28
$10,851 CAD
$7,753 USD
View
Price last confirmed 32 days ago
18 more retailers have this diamond
Prices start from $5,453 CADSave up to $5,345 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+
1.09ct Round
$5,453 CAD