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Radiant|Natural|GIA

1.51ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 2527321233

Certificate GIA 2527321233

Diamond specifications and retailer prices

From $5,268 CAD
As of November 5, 2026
Save $5,229 CAD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,497 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2527321233. Listed at 15 retailers as of November 4, 2026, with prices from $5,268 to $10,497, a $5,229 spread on the same certified stone. MOH London lists it at $10,497. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2527321233
Dimensions6.17 × 6.13 × 4.22 mm
L/W Ratio1.01
Top View
6.17 mm6.13 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527321233
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,497 CAD|Low: $4,560 CAD|High: $10,652 CAD|Avg: $6,845 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 9$5,268 CAD
Retailer 3$5,271 CAD
Retailer 8$5,473 CAD
Retailer 11$5,986 CAD
Retailer 6$6,337 CAD
Retailer 2$6,506 CAD
Retailer 10$6,660 CAD
Retailer 4$7,015 CAD
Retailer 7$7,072 CAD
Retailer 5$8,063 CAD
MOH London$10,497 CAD

44 data points across 11 retailers

15 retailers$5,268 CAD to $10,497 CAD

A
Cheapest Retailer
-
$5,268 CAD
A
Retailer 2
-
$5,271 CAD
View
A
Retailer 3
-
$5,473 CAD
View
Final sale: no returns
A
Retailer 4
-
$5,683 CAD
View
A
Retailer 5
-
$5,958 CAD
View
Retailer 6
-
$5,986 CAD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$6,188 CAD
View
A
Retailer 8
-
$6,337 CAD
View
A
Retailer 9
-
$6,506 CAD
View
Retailer 10
-
$6,660 CAD
View
Price last confirmed 29 days ago
Retailer 11
-
$6,935 CAD
View
Price last confirmed 12 days ago
A
Retailer 12
-
$7,015 CAD
View
A
Retailer 13
-
$7,072 CAD
View
B+
Retailer 14
-
$8,063 CAD
View
Most Expensive
B
MOH London
6C9A6D878 · Nov 4
$10,497 CAD
£5,876 GBP
View
14 more retailers have this diamond
Prices start from $5,268 CADSave up to $5,229 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
1.51ct Radiant
$5,268 CAD