Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2527616153

Certificate GIA 2527616153

Diamond specifications and retailer prices

From $4,265 CAD
$3,053 USD
As of October 28, 2026
Save $5,403 CAD (56%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $9,668 CAD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two 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 2527616153. Listed at 27 retailers as of October 27, 2026, with prices from $4,265 to $9,668, a $5,403 spread on the same certified stone. NZ Jewellers lists it at $9,668. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.84°
Pavilion angle33.19°
OriginNatural
Grading LabGIA
CertificateGIA 2527616153
Dimensions7.11 × 5.67 × 4.00 mm
L/W Ratio1.25
Top View
7.11 mm5.67 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527616153
Side View
Table 68.0%Crown 48.84°Girdle: VTH-ETHPavilion 33.19°Culet: NoneDepth 70.4%

Caratlytics Score

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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: Oct 28
Current: $9,668 CAD|Low: $3,746 CAD|High: $9,933 CAD|Avg: $5,634 CAD|-2.7%
NZ Jewellers
Retailer 2
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Retailer 26
Retailer 27
October 29, 2026
Retailer 7$4,265 CAD
Retailer 6$4,372 CAD
Retailer 2$4,373 CAD
Retailer 4$4,403 CAD
Retailer 10$4,462 CAD
Retailer 19$4,641 CAD
Retailer 12$5,000 CAD
Retailer 11$5,027 CAD
Retailer 25$5,027 CAD
Retailer 23$5,033 CAD
Retailer 18$5,039 CAD
Retailer 26$5,094 CAD
Retailer 27$5,220 CAD
Retailer 14$5,374 CAD
Retailer 21$5,429 CAD
Retailer 5$5,467 CAD
Retailer 16$5,490 CAD
Retailer 17$5,575 CAD
Retailer 22$5,642 CAD
Retailer 3$5,685 CAD
Retailer 15$5,685 CAD
Retailer 8$5,800 CAD
Retailer 9$5,881 CAD
Retailer 13$6,115 CAD
Retailer 20$8,019 CAD
Retailer 24$9,293 CAD
NZ Jewellers$9,668 CAD

30 data points across 27 retailers

27 retailers$4,265 CAD to $9,668 CAD

A
Cheapest Retailer
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$4,265 CAD
$3,053 USD
A
Retailer 2
-
$4,372 CAD
$3,130 USD
View
A
Retailer 3
-
$4,373 CAD
$3,131 USD
View
A
Retailer 4
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$4,403 CAD
$3,152 USD
View
A
Retailer 5
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$4,462 CAD
$3,194 USD
View
A
Retailer 6
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$5,000 CAD
$3,579 USD
View
A
Retailer 7
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$5,027 CAD
$3,599 USD
View
Retailer 8
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$5,027 CAD
$3,599 USD
View
Price last confirmed 7 days ago
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Retailer 9
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$5,033 CAD
$3,603 USD
View
A
Retailer 10
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$5,039 CAD
View
Retailer 11
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$5,094 CAD
$3,647 USD
View
Price last confirmed 9 days ago
A
Retailer 12
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$5,220 CAD
$3,737 USD
View
A
Retailer 13
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$5,355 CAD
A$5,898 AUD
View
A
Retailer 14
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$5,374 CAD
$3,847 USD
View
A
Retailer 15
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$5,429 CAD
£3,060 GBP
View
Retailer 16
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$5,467 CAD
$3,914 USD
View
Price last confirmed 11 days ago
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Retailer 17
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$5,490 CAD
$3,930 USD
View
A
Retailer 18
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$5,575 CAD
$3,991 USD
View
A
Retailer 19
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$5,642 CAD
£3,180 GBP
View
A
Retailer 20
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$5,685 CAD
$4,070 USD
View
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Retailer 21
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$5,685 CAD
$4,070 USD
View
A
Retailer 22
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$5,800 CAD
$4,152 USD
View
A
Retailer 23
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$5,881 CAD
$4,210 USD
View
A
Retailer 24
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$6,115 CAD
€4,169 EUR
View
B+
Retailer 25
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$8,019 CAD
$5,740 USD
View
B+
Retailer 26
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$9,293 CAD
£5,238 GBP
View
Most Expensive
B
NZ Jewellers
587b9d6c-140b-4667-b65b-2a937575911c · Oct 27
$9,668 CAD
$6,921 USD
View
26 more retailers have this diamond
Prices start from $4,265 CADSave up to $5,403 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
$4,265 CAD