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Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

GD • H/SI2 • GIA 6405174570

Certificate GIA 6405174570

Diamond specifications and retailer prices

From $10,407 CAD
$7,450 USD
As of October 28, 2026
Save $12,948 CAD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $23,355 CAD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6405174570. Listed at 19 retailers as of October 27, 2026, with prices from $10,407 to $23,355, a $12,948 spread on the same certified stone. NZ Jewellers lists it at $23,355. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
H
Color
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6405174570
Dimensions7.40 × 5.69 × 3.93 mm
L/W Ratio1.30
Top View
7.40 mm5.69 mm1.50 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6405174570
Side View
Table 66.0%CrownGirdle: ThinPavilionCulet: NoneDepth 68.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $23,355 CAD|Low: $10,407 CAD|High: $23,355 CAD|Avg: $14,915 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6$10,407 CAD
Retailer 9$11,677 CAD
Retailer 8$12,650 CAD
Retailer 2$12,731 CAD
Retailer 7$12,844 CAD
Retailer 5$14,499 CAD
Retailer 10$14,596 CAD
Retailer 11$15,371 CAD
Retailer 3$16,646 CAD
Retailer 4$19,564 CAD
NZ Jewellers$23,355 CAD

44 data points across 11 retailers

19 retailers$10,407 CAD to $23,355 CAD

B
Cheapest Retailer
-
$10,407 CAD
$7,450 USD
B
Retailer 2
-
$10,871 CAD
$7,782 USD
View
B
Retailer 3
-
$10,914 CAD
A$12,020 AUD
View
B
Retailer 4
-
$10,934 CAD
$7,827 USD
View
B
Retailer 5
-
$11,390 CAD
View
B
Retailer 6
-
$11,677 CAD
$8,359 USD
View
B
Retailer 7
-
$11,774 CAD
$8,429 USD
View
B
Retailer 8
-
$12,650 CAD
$9,056 USD
View
B
Retailer 9
-
$12,731 CAD
£7,176 GBP
View
B
Retailer 10
-
$12,844 CAD
$9,195 USD
View
B
Retailer 11
-
$13,430 CAD
$9,614 USD
View
B
Retailer 12
-
$13,815 CAD
$9,890 USD
View
B
Retailer 13
-
$13,815 CAD
$9,890 USD
View
C
Retailer 14
-
$14,276 CAD
$10,220 USD
View
B
Retailer 15
-
$14,499 CAD
€9,885 EUR
View
C
Retailer 16
-
$14,596 CAD
$10,449 USD
View
Retailer 17
-
$15,371 CAD
$11,004 USD
View
Price last confirmed 7 days ago
C
Retailer 18
-
$19,564 CAD
£11,028 GBP
View
Most Expensive
C
NZ Jewellers
3e09dce9-7112-43dc-a30b-d214329d63b0 · Oct 27
$23,355 CAD
$16,719 USD
View
18 more retailers have this diamond
Prices start from $10,407 CADSave up to $12,948 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
1.50ct Radiant
$10,407 CAD