Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6445352304

Certificate GIA 6445352304

Diamond specifications and retailer prices

From $3,274 CAD
$2,344 USD
As of October 29, 2026
Save $3,836 CAD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,367 CAD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 6445352304. Listed at 25 retailers as of October 29, 2026, with a 117% 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

1.00
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6445352304
Dimensions6.40 × 6.34 × 3.93 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.40 mm6.34 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6445352304
Side View
Table 57.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.8°Culet: 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 29
Current: $4,081 CAD|Low: $3,049 CAD|High: $7,158 CAD|Avg: $4,642 CAD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9$3,431 CAD
Retailer 7$3,520 CAD
Retailer 10$3,536 CAD
Retailer 1$4,081 CAD
Retailer 5$4,344 CAD
Retailer 3$4,495 CAD
Retailer 2$4,518 CAD
Retailer 4$4,669 CAD
Retailer 8$5,150 CAD
Retailer 6$7,110 CAD

35 data points across 10 retailers

25 retailers$3,274 CAD to $7,110 CAD

A
Cheapest Retailer
-
$3,274 CAD
$2,344 USD
Retailer 2
-
$3,306 CAD
$2,367 USD
View
Price last confirmed 75 days ago
B+
Retailer 3
-
$3,361 CAD
$2,406 USD
View
B+
Retailer 4
-
$3,431 CAD
$2,456 USD
View
B+
Retailer 5
-
$3,520 CAD
$2,520 USD
View
B+
Retailer 6
-
$3,536 CAD
$2,531 USD
View
Final sale: no returns
B+
Retailer 7
-
$3,550 CAD
A$3,910 AUD
View
B+
Retailer 8
-
$3,765 CAD
$2,695 USD
View
Retailer 9
-
$3,832 CAD
$2,743 USD
View
Price last confirmed 18 days ago
Retailer 10
-
$3,832 CAD
$2,743 USD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
$3,880 CAD
$2,777 USD
View
Retailer 12
-
$3,978 CAD
$2,848 USD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$4,081 CAD
£2,301 GBP
View
B
Retailer 14
-
$4,344 CAD
$3,110 USD
View
B
Retailer 15
-
$4,372 CAD
$3,130 USD
View
B
Retailer 16
-
$4,372 CAD
$3,130 USD
View
Retailer 17
-
$4,421 CAD
$3,165 USD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$4,495 CAD
£2,534 GBP
View
B
Retailer 19
-
$4,512 CAD
$3,230 USD
View
Retailer 20
-
$4,518 CAD
A$4,976 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
-
$4,669 CAD
€3,183 EUR
View
Retailer 22
-
$4,910 CAD
$3,515 USD
View
Price last confirmed 15 days ago
B
Retailer 23
-
$5,150 CAD
ZAR 59,554 ZAR
View
B
Retailer 24
-
$7,110 CAD
£4,008 GBP
View
Most Expensive
NZ Jewellers
5b7c1452-920d-407a-a1bd-0f029b656fa7 · Sep 27
$7,367 CAD
$5,274 USD
View
Price last confirmed 33 days ago
24 more retailers have this diamond
Prices start from $3,274 CADSave up to $3,836 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
1.00ct Round
$3,274 CAD