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Radiant|Natural|GIA

1.00ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 6555914191

Certificate GIA 6555914191

Diamond specifications and retailer prices

From $2,521 CAD
As of November 6, 2026
Save $4,505 CAD (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,026 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555914191. Listed at 23 retailers as of November 5, 2026, with prices from $2,521 to $7,026, a $4,505 spread on the same certified stone. NZ Jewellers lists it at $7,026. 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
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555914191
Dimensions6.88 × 5.09 × 3.45 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.88 mm5.09 mm1.00 ctD / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555914191
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.6%

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 6
Current: $7,026 CAD|Low: $2,521 CAD|High: $7,124 CAD|Avg: $3,934 CAD|-1.4%
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
November 7, 2026
Retailer 17$2,521 CAD
Retailer 16$2,653 CAD
Retailer 6$3,027 CAD
Retailer 5$3,100 CAD
Retailer 7$3,145 CAD
Retailer 2$3,242 CAD
Retailer 18$3,259 CAD
Retailer 8$3,360 CAD
Retailer 12$3,408 CAD
Retailer 20$3,509 CAD
Retailer 13$3,515 CAD
Retailer 14$3,554 CAD
Retailer 19$3,557 CAD
Retailer 15$3,657 CAD
Retailer 4$3,878 CAD
Retailer 3$4,172 CAD
Retailer 10$4,187 CAD
Retailer 9$5,970 CAD
Retailer 11$6,581 CAD
NZ Jewellers$7,026 CAD

21 data points across 20 retailers

23 retailers$2,521 CAD to $7,026 CAD

A
Cheapest Retailer
-
$2,521 CAD
A
Retailer 2
-
$2,653 CAD
View
A
Retailer 3
-
$3,027 CAD
View
A
Retailer 4
-
$3,100 CAD
View
Final sale: no returns
A
Retailer 5
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$3,145 CAD
View
A
Retailer 6
-
$3,242 CAD
View
A
Retailer 7
-
$3,242 CAD
View
A
Retailer 8
-
$3,259 CAD
View
A
Retailer 9
-
$3,360 CAD
View
Retailer 10
-
$3,408 CAD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$3,471 CAD
View
A
Retailer 12
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$3,509 CAD
View
A
Retailer 13
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$3,515 CAD
View
A
Retailer 14
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$3,554 CAD
View
A
Retailer 15
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$3,557 CAD
View
A
Retailer 16
-
$3,657 CAD
View
B+
Retailer 17
-
$3,878 CAD
View
B+
Retailer 18
-
$4,172 CAD
View
B+
Retailer 19
-
$4,187 CAD
View
Retailer 20
-
$4,254 CAD
View
Price last confirmed 31 days ago
B
Retailer 21
-
$5,970 CAD
View
Retailer 22
-
$6,581 CAD
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
ad20a315-d23f-4a84-b70e-90bfafbe9269 · Nov 5
$7,026 CAD
$4,995 USD
View
22 more retailers have this diamond
Prices start from $2,521 CADSave up to $4,505 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 Radiant
$2,521 CAD