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Radiant|Natural|GIA

1.51ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 2376527645

Certificate GIA 2376527645

Diamond specifications and retailer prices

From $11,752 CAD
$8,397 USD
As of October 28, 2026
Save $8,966 CAD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,718 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 E 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 2376527645. Listed at 12 retailers as of October 27, 2026, with prices from $11,752 to $20,718, a $8,966 spread on the same certified stone. NZ Jewellers lists it at $20,718. 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
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2376527645
Dimensions7.25 × 5.54 × 3.81 mm
L/W Ratio1.31
Top View
7.25 mm5.54 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2376527645
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $13,688 CAD|Low: $10,970 CAD|High: $19,648 CAD|Avg: $14,935 CAD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$12,430 CAD
Retailer 1$13,688 CAD
Retailer 6$14,794 CAD
Retailer 7$14,794 CAD
Retailer 3$15,054 CAD
Retailer 5$15,538 CAD
Retailer 2$19,519 CAD

40 data points across 7 retailers

12 retailers$11,752 CAD to $20,718 CAD

B+
Cheapest Retailer
-
$11,752 CAD
$8,397 USD
B+
Retailer 2
-
$12,430 CAD
$8,881 USD
View
Final sale: no returns
B+
Retailer 3
-
$13,467 CAD
$9,622 USD
View
B
Retailer 4
-
$13,674 CAD
$9,770 USD
View
B+
Retailer 5
-
$13,688 CAD
£7,701 GBP
View
B
Retailer 6
-
$14,794 CAD
$10,570 USD
View
B
Retailer 7
-
$14,794 CAD
$10,570 USD
View
B+
Retailer 8
-
$15,054 CAD
€10,244 EUR
View
B
Retailer 9
-
$15,298 CAD
$10,930 USD
View
B
Retailer 10
-
$15,538 CAD
$11,102 USD
View
B
Retailer 11
-
$19,519 CAD
£10,981 GBP
View
Most Expensive
B
NZ Jewellers
8508e8ff-88a0-4e25-b242-cc88709c1a11 · Oct 27
$20,718 CAD
$14,803 USD
View
11 more retailers have this diamond
Prices start from $11,752 CADSave up to $8,966 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
$11,752 CAD