Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1423768522

Certificate GIA 1423768522

Diamond specifications and retailer prices

From $2,789 CAD
HK$15,600 HKD
As of October 30, 2026
Save $4,958 CAD (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,747 CAD at NZ Jewellers · As of October 30, 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 1423768522. Listed at 23 retailers as of October 30, 2026, with prices from $2,789 to $7,747, a $4,958 spread on the same certified stone. NZ Jewellers lists it at $7,747. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1423768522
Dimensions6.36 × 6.39 × 3.95 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.36 mm6.39 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1423768522
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°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 30
Current: $7,747 CAD|Low: $2,682 CAD|High: $7,747 CAD|Avg: $3,894 CAD|+0.7%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 16$2,789 CAD
Retailer 5$2,871 CAD
Retailer 2$2,973 CAD
Retailer 18$3,031 CAD
Retailer 3$3,098 CAD
Retailer 13$3,098 CAD
Retailer 10$3,238 CAD
Retailer 14$3,238 CAD
Retailer 11$3,241 CAD
Retailer 12$3,387 CAD
Retailer 7$3,536 CAD
Retailer 20$3,576 CAD
Retailer 8$3,737 CAD
Retailer 17$3,855 CAD
Retailer 19$3,855 CAD
Retailer 22$3,937 CAD
Retailer 21$3,981 CAD
Retailer 4$4,183 CAD
Retailer 9$4,353 CAD
Retailer 6$4,370 CAD
Retailer 15$6,271 CAD
NZ Jewellers$7,747 CAD

19 data points across 22 retailers

23 retailers$2,789 CAD to $7,747 CAD

A
Cheapest Retailer
-
$2,789 CAD
HK$15,600 HKD
A
Retailer 2
-
$2,871 CAD
$2,055 USD
View
A
Retailer 3
-
$2,973 CAD
$2,128 USD
View
A
Retailer 4
-
$3,031 CAD
$2,170 USD
View
A
Retailer 5
-
$3,098 CAD
$2,218 USD
View
Final sale: no returns
A
Retailer 6
-
$3,098 CAD
$2,218 USD
View
A
Retailer 7
-
$3,238 CAD
$2,318 USD
View
A
Retailer 8
-
$3,238 CAD
$2,318 USD
View
A
Retailer 9
-
$3,241 CAD
$2,320 USD
View
A
Retailer 10
-
$3,387 CAD
$2,425 USD
View
B+
Retailer 11
-
$3,536 CAD
$2,531 USD
View
B+
Retailer 12
-
$3,576 CAD
£2,016 GBP
View
B+
Retailer 13
-
$3,737 CAD
$2,675 USD
View
B+
Retailer 14
-
$3,855 CAD
$2,760 USD
View
B+
Retailer 15
-
$3,855 CAD
$2,760 USD
View
B+
Retailer 16
-
$3,937 CAD
£2,219 GBP
View
B+
Retailer 17
-
$3,981 CAD
$2,850 USD
View
B+
Retailer 18
-
$4,183 CAD
€2,852 EUR
View
Retailer 19
-
$4,199 CAD
A$4,625 AUD
View
Price last confirmed 22 days ago
B+
Retailer 20
-
$4,353 CAD
ZAR 50,338 ZAR
View
B
Retailer 21
-
$4,370 CAD
$3,128 USD
View
B
Retailer 22
-
$6,271 CAD
£3,535 GBP
View
Most Expensive
B
NZ Jewellers
7330d7c4-5473-4174-83b5-06070554d291 · Oct 30
$7,747 CAD
$5,546 USD
View
22 more retailers have this diamond
Prices start from $2,789 CADSave up to $4,958 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
$2,789 CAD