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Radiant|Natural|GIA

1.30ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 2517871823

Certificate GIA 2517871823

Diamond specifications and retailer prices

From $2,916 CAD
As of November 6, 2026
Save $1,301 CAD (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,217 CAD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2517871823. Listed at 6 retailers as of November 5, 2026, with prices from $2,916 to $4,217, a $1,301 spread on the same certified stone. Blue Nile lists it at $4,217. 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

1.30
Carat
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2517871823
Dimensions7.49 × 5.43 × 3.71 mm
L/W Ratio1.38
Top View
7.49 mm5.43 mm1.30 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2517871823
Side View
Table 67.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $4,217 CAD|Low: $2,881 CAD|High: $4,909 CAD|Avg: $3,824 CAD|-0.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$2,916 CAD
Retailer 2$3,460 CAD
Retailer 5$3,533 CAD
Retailer 6$3,645 CAD
Retailer 4$4,048 CAD
Blue Nile$4,217 CAD
Retailer 7$4,909 CAD

11 data points across 7 retailers

6 retailers$2,916 CAD to $4,217 CAD

A
Cheapest Retailer
-
$2,916 CAD
A
Retailer 2
-
$3,460 CAD
View
A
Retailer 3
-
$3,533 CAD
View
A
Retailer 4
-
$3,645 CAD
View
Final sale: no returns
A
Retailer 5
-
$4,048 CAD
View
Most Expensive
A
Blue Nile
24877786 · Nov 5
$4,217 CAD
$2,998 USD
View
5 more retailers have this diamond
Prices start from $2,916 CADSave up to $1,301 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
1.30ct Radiant
$2,916 CAD