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Radiant|Natural|GIA

1.51ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 6545823175

Certificate GIA 6545823175

Diamond specifications and retailer prices

From $10,530 CAD
$7,538 USD
As of October 30, 2026
Save $11,962 CAD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $22,491 CAD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545823175. Listed at 14 retailers as of October 30, 2026, with prices from $10,530 to $22,491, a $11,962 spread on the same certified stone. NZ Jewellers lists it at $22,491. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545823175
Dimensions7.89 × 5.72 × 3.88 mm
L/W Ratio1.38
Top View
7.89 mm5.72 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545823175
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.9%

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: Oct 30
Current: $22,491 CAD|Low: $10,530 CAD|High: $22,491 CAD|Avg: $13,842 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 6$10,530 CAD
Retailer 4$11,049 CAD
Retailer 12$11,246 CAD
Retailer 14$11,340 CAD
Retailer 11$12,184 CAD
Retailer 10$12,371 CAD
Retailer 2$12,452 CAD
Retailer 7$12,923 CAD
Retailer 8$13,633 CAD
Retailer 13$14,057 CAD
Retailer 5$14,061 CAD
Retailer 15$14,804 CAD
Retailer 3$16,031 CAD
Retailer 9$18,766 CAD
NZ Jewellers$22,491 CAD

42 data points across 15 retailers

14 retailers$10,530 CAD to $22,491 CAD

A
Cheapest Retailer
-
$10,530 CAD
$7,538 USD
B+
Retailer 2
-
$11,049 CAD
View
B+
Retailer 3
-
$11,246 CAD
$8,051 USD
View
B+
Retailer 4
-
$11,340 CAD
$8,118 USD
View
B+
Retailer 5
-
$12,184 CAD
$8,722 USD
View
B+
Retailer 6
-
$12,371 CAD
$8,856 USD
View
B+
Retailer 7
-
$12,452 CAD
£7,019 GBP
View
B+
Retailer 8
-
$12,923 CAD
$9,251 USD
View
B
Retailer 9
-
$13,324 CAD
$9,538 USD
View
B+
Retailer 10
-
$13,633 CAD
€9,295 EUR
View
B+
Retailer 11
-
$14,057 CAD
$10,063 USD
View
B+
Retailer 12
-
$14,061 CAD
$10,066 USD
View
B
Retailer 13
-
$18,766 CAD
£10,578 GBP
View
Most Expensive
B
NZ Jewellers
ad15a242-6351-421f-8ec9-3852edf42832 · Oct 30
$22,491 CAD
$16,101 USD
View
13 more retailers have this diamond
Prices start from $10,530 CADSave up to $11,962 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
$10,530 CAD