Round|Natural|GIA

1.05ct H I1 Round Natural Diamond

EX • H/I1 • GIA 6425595989

Certificate GIA 6425595989

Diamond specifications and retailer prices

From $2,621 CAD
$1,876 USD
As of November 1, 2026
Save $3,443 CAD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,064 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6425595989. Listed at 7 retailers as of October 30, 2026, with prices from $2,621 to $6,064, a $3,443 spread on the same certified stone. NZ Jewellers lists it at $6,064. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6425595989
Dimensions6.49 × 6.46 × 4.04 mm
L/W Ratio1.00
Top View
6.49 mm6.46 mm1.05 ctH / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6425595989
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: Nov 1
Current: $6,064 CAD|Low: $2,621 CAD|High: $6,064 CAD|Avg: $3,463 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9$2,621 CAD
Retailer 7$2,737 CAD
Retailer 4$2,900 CAD
Retailer 6$2,900 CAD
Retailer 3$3,034 CAD
Retailer 5$3,347 CAD
Retailer 8$3,451 CAD
Retailer 10$3,537 CAD
Retailer 2$3,944 CAD
NZ Jewellers$6,064 CAD

21 data points across 10 retailers

7 retailers$2,621 CAD to $6,064 CAD

B+
Cheapest Retailer
-
$2,621 CAD
$1,876 USD
B+
Retailer 2
-
$2,900 CAD
$2,076 USD
View
B+
Retailer 3
-
$2,900 CAD
$2,076 USD
View
B+
Retailer 4
-
$3,034 CAD
$2,172 USD
View
B
Retailer 5
-
$3,347 CAD
$2,396 USD
View
B
Retailer 6
-
$3,944 CAD
€2,689 EUR
View
Most Expensive
B
NZ Jewellers
c4d2fe79-2c19-4ff9-bc90-d82f61b0973f · Oct 30
$6,064 CAD
$4,341 USD
View
6 more retailers have this diamond
Prices start from $2,621 CADSave up to $3,443 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+
1.05ct Round
$2,621 CAD