Radiant|Natural|GIA

1.51ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5182557110

Certificate GIA 5182557110

Diamond specifications and retailer prices

From $10,018 CAD
$7,169 USD
As of October 31, 2026
Save $4,054 CAD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $14,072 CAD at Jared · As of October 30, 2026
View at Jared

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded F 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 5182557110. Listed at 8 retailers as of October 30, 2026, with prices from $10,018 to $14,072, a $4,054 spread on the same certified stone. Jared lists it at $14,072. 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

1.51
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5182557110
Dimensions6.91 × 6.42 × 4.06 mm
L/W Ratio1.08
Top View
6.91 mm6.42 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5182557110
Side View
Table 70.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $13,524 CAD|Low: $9,919 CAD|High: $13,727 CAD|Avg: $12,148 CAD|+0.9%
Retailer 1
Retailer 2
Retailer 3
October 31, 2026
Retailer 2$10,018 CAD
Retailer 3$12,828 CAD
Retailer 1$13,524 CAD

33 data points across 3 retailers

8 retailers$10,018 CAD to $14,072 CAD

B+
Cheapest Retailer
-
$10,018 CAD
$7,169 USD
B+
Retailer 2
-
$10,742 CAD
A$11,826 AUD
View
B+
Retailer 3
-
$11,075 CAD
$7,926 USD
View
B+
Retailer 4
-
$12,828 CAD
$9,180 USD
View
B+
Retailer 5
-
$13,524 CAD
£7,621 GBP
View
B
Retailer 6
-
$13,625 CAD
$9,750 USD
View
B
Retailer 7
-
$13,625 CAD
$9,750 USD
View
Most Expensive
B
Jared
130463369 · Oct 30
$14,072 CAD
$10,070 USD
View
7 more retailers have this diamond
Prices start from $10,018 CADSave up to $4,054 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+
1.51ct Radiant
$10,018 CAD