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Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7421614155

Certificate GIA 7421614155

Diamond specifications and retailer prices

From $2,168 CAD
As of October 31, 2026
Save $4,095 CAD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,262 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7421614155. Listed at 20 retailers as of October 31, 2026, with prices from $2,168 to $6,262, a $4,095 spread on the same certified stone. NZ Jewellers lists it at $6,262. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7421614155
Dimensions6.30 × 6.22 × 4.01 mm
L/W Ratio1.01
Top View
6.30 mm6.22 mm1.00 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7421614155
Side View
Table 58.0%Crown 37°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 64.0%

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 31
Current: $3,036 CAD|Low: $2,162 CAD|High: $5,311 CAD|Avg: $3,326 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$2,168 CAD
Retailer 9$2,180 CAD
Retailer 7$2,718 CAD
Retailer 10$2,764 CAD
Retailer 1$3,036 CAD
Retailer 4$3,235 CAD
Retailer 3$3,656 CAD
Retailer 6$3,673 CAD
Retailer 2$3,683 CAD
Retailer 5$5,247 CAD

38 data points across 10 retailers

20 retailers$2,168 CAD to $6,262 CAD

A
Cheapest Retailer
-
$2,168 CAD
A
Retailer 2
-
$2,180 CAD
View
B+
Retailer 3
-
$2,649 CAD
View
Retailer 4
-
$2,672 CAD
View
Price last confirmed 82 days ago
B+
Retailer 5
-
$2,718 CAD
View
B+
Retailer 6
-
$2,764 CAD
View
Final sale: no returns
Retailer 7
-
$2,996 CAD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$2,996 CAD
View
B
Retailer 9
-
$3,024 CAD
View
B
Retailer 10
-
$3,036 CAD
View
B
Retailer 11
-
$3,134 CAD
View
B
Retailer 12
-
$3,188 CAD
View
B
Retailer 13
-
$3,235 CAD
View
B
Retailer 14
-
$3,457 CAD
View
B
Retailer 15
-
$3,656 CAD
View
B
Retailer 16
-
$3,673 CAD
View
Retailer 17
-
$3,683 CAD
View
Price last confirmed 31 days ago
B
Retailer 18
-
$4,864 CAD
View
B
Retailer 19
-
$5,247 CAD
View
Most Expensive
C
NZ Jewellers
810c9545-2c13-417f-bec6-102fb59b971f · Nov 5
$6,262 CAD
$4,484 USD
View
19 more retailers have this diamond
Prices start from $2,168 CADSave up to $4,095 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
$2,168 CAD