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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1289093164

Certificate GIA 1289093164

Diamond specifications and retailer prices

From $2,198 CAD
As of November 4, 2026
Save $4,413 CAD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,612 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1289093164. Listed at 16 retailers as of November 4, 2026, with prices from $2,198 to $6,612, a $4,413 spread on the same certified stone. NZ Jewellers lists it at $6,612. 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
K
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1289093164
Dimensions6.44 × 6.35 × 3.83 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.44 mm6.35 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1289093164
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 59.9%

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 4
Current: $6,612 CAD|Low: $2,198 CAD|High: $6,612 CAD|Avg: $3,136 CAD
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
November 6, 2026
Retailer 11$2,198 CAD
Retailer 4$2,237 CAD
Retailer 9$2,276 CAD
Retailer 5$2,455 CAD
Retailer 13$2,455 CAD
Retailer 10$2,568 CAD
Retailer 3$2,684 CAD
Retailer 12$2,834 CAD
Retailer 2$2,926 CAD
Retailer 6$3,193 CAD
Retailer 7$3,433 CAD
Retailer 8$4,734 CAD
NZ Jewellers$6,612 CAD

40 data points across 13 retailers

16 retailers$2,198 CAD to $6,612 CAD

B+
Cheapest Retailer
-
$2,198 CAD
B+
Retailer 2
-
$2,209 CAD
View
B+
Retailer 3
-
$2,237 CAD
View
B+
Retailer 4
-
$2,276 CAD
View
B+
Retailer 5
-
$2,304 CAD
View
B+
Retailer 6
-
$2,455 CAD
View
Retailer 7
-
$2,455 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,568 CAD
View
B+
Retailer 9
-
$2,684 CAD
View
B
Retailer 10
-
$2,834 CAD
View
B
Retailer 11
-
$2,926 CAD
View
B
Retailer 12
-
$3,193 CAD
View
B
Retailer 13
-
$3,433 CAD
View
B
Retailer 14
-
$3,887 CAD
View
B
Retailer 15
-
$4,734 CAD
View
Most Expensive
C
NZ Jewellers
f59eef37-bd43-4665-92ea-38679c8c9751 · Nov 5
$6,612 CAD
$4,734 USD
View
15 more retailers have this diamond
Prices start from $2,198 CADSave up to $4,413 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+
1.00ct Round
$2,198 CAD