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Radiant|Natural|GIA

1.01ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 1558553561

Certificate GIA 1558553561

Diamond specifications and retailer prices

From $1,878 CAD
As of November 7, 2026
Save $2,872 CAD (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,750 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558553561. Listed at 11 retailers as of November 5, 2026, with prices from $1,878 to $4,750, a $2,872 spread on the same certified stone. NZ Jewellers lists it at $4,750. 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

1.01
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1558553561
Dimensions7.01 × 5.06 × 3.19 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.01 mm5.06 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1558553561
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.1%

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: Nov 7
Current: $4,750 CAD|Low: $1,878 CAD|High: $4,750 CAD|Avg: $2,520 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3$1,878 CAD
Retailer 4$1,889 CAD
Retailer 8$1,948 CAD
Retailer 10$1,948 CAD
Retailer 11$2,037 CAD
Retailer 2$2,149 CAD
Retailer 9$2,248 CAD
Retailer 6$2,376 CAD
Retailer 5$2,701 CAD
Retailer 7$3,556 CAD
NZ Jewellers$4,750 CAD

31 data points across 11 retailers

11 retailers$1,878 CAD to $4,750 CAD

A
Cheapest Retailer
-
$1,878 CAD
A
Retailer 2
-
$1,889 CAD
View
A
Retailer 3
-
$1,948 CAD
View
Retailer 4
-
$1,948 CAD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$2,037 CAD
View
A
Retailer 6
-
$2,149 CAD
View
B+
Retailer 7
-
$2,248 CAD
View
B+
Retailer 8
-
$2,376 CAD
View
B+
Retailer 9
-
$2,701 CAD
View
B
Retailer 10
-
$3,556 CAD
View
Most Expensive
B
NZ Jewellers
50dce42f-6da0-45b4-b750-9d7622e92e62 · Nov 5
$4,750 CAD
$3,377 USD
View
10 more retailers have this diamond
Prices start from $1,878 CADSave up to $2,872 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
1.01ct Radiant
$1,878 CAD