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Radiant|Natural|GIA

1.05ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 6551511426

Certificate GIA 6551511426

Diamond specifications and retailer prices

From $2,074 CAD
HK$11,600 HKD
As of October 30, 2026
Save $4,565 CAD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,639 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.05ct natural radiant diamond

This 1.05ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551511426. Listed at 13 retailers as of October 30, 2026, with prices from $2,074 to $6,639, a $4,565 spread on the same certified stone. NZ Jewellers lists it at $6,639. 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

1.05
Carat
F
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551511426
Dimensions7.29 × 5.01 × 3.45 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
7.29 mm5.01 mm1.05 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551511426
Side View
Table 66.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 68.8%

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 30
Current: $6,639 CAD|Low: $2,046 CAD|High: $6,785 CAD|Avg: $3,318 CAD|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10$2,074 CAD
Retailer 5$2,138 CAD
Retailer 11$2,513 CAD
Retailer 6$2,699 CAD
Retailer 8$2,723 CAD
Retailer 12$2,781 CAD
Retailer 7$2,847 CAD
Retailer 3$2,923 CAD
Retailer 4$2,980 CAD
Retailer 2$3,140 CAD
Retailer 9$4,794 CAD
NZ Jewellers$6,639 CAD

44 data points across 12 retailers

13 retailers$2,074 CAD to $6,639 CAD

A
Cheapest Retailer
-
$2,074 CAD
HK$11,600 HKD
A
Retailer 2
-
$2,138 CAD
₹145,733 INR
View
A
Retailer 3
-
$2,513 CAD
$1,799 USD
View
Final sale: no returns
A
Retailer 4
-
$2,699 CAD
£1,522 GBP
View
A
Retailer 5
-
$2,723 CAD
$1,949 USD
View
A
Retailer 6
-
$2,781 CAD
$1,991 USD
View
A
Retailer 7
-
$2,847 CAD
$2,038 USD
View
A
Retailer 8
-
$2,923 CAD
SGD 2,828 SGD
View
A
Retailer 9
-
$2,980 CAD
$2,133 USD
View
A
Retailer 10
-
$3,031 CAD
A$3,338 AUD
View
A
Retailer 11
-
$3,140 CAD
$2,248 USD
View
B+
Retailer 12
-
$4,794 CAD
£2,702 GBP
View
Most Expensive
B
NZ Jewellers
43c1ca4a-2d18-4d67-a624-6c6a5a43d327 · Oct 30
$6,639 CAD
$4,753 USD
View
12 more retailers have this diamond
Prices start from $2,074 CADSave up to $4,565 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
1.05ct Radiant
$2,074 CAD