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Radiant|Natural|GIA

1.51ct E SI2 Radiant Natural Diamond

ID • E/SI2 • GIA 6233751025

Certificate GIA 6233751025

Diamond specifications and retailer prices

From $7,137 CAD
£4,015 GBP
As of October 29, 2026
Save $5,458 CAD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $12,595 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 6233751025. Listed at 6 retailers as of October 27, 2026, with prices from $7,137 to $12,595, a $5,458 spread on the same certified stone. NZ Jewellers lists it at $12,595. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.54°
Pavilion angle31.45°
OriginNatural
Grading LabGIA
CertificateGIA 6233751025
Dimensions7.38 × 5.68 × 3.86 mm
L/W Ratio1.30
Top View
7.38 mm5.68 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6233751025
Side View
Table 67.0%Crown 44.54°Girdle: STK-THKPavilion 31.45°Culet: NoneDepth 67.9%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $12,595 CAD|Low: $6,764 CAD|High: $12,787 CAD|Avg: $8,991 CAD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8$6,764 CAD
Retailer 2$7,137 CAD
Retailer 5$7,530 CAD
Retailer 7$7,530 CAD
Retailer 6$7,698 CAD
Retailer 9$7,998 CAD
Retailer 3$8,426 CAD
Retailer 10$8,561 CAD
Retailer 11$11,300 CAD
Retailer 4$12,059 CAD
NZ Jewellers$12,595 CAD

28 data points across 11 retailers

6 retailers$7,137 CAD to $12,595 CAD

A
Cheapest Retailer
-
$7,137 CAD
£4,015 GBP
A
Retailer 2
-
$7,530 CAD
$5,380 USD
View
A
Retailer 3
-
$7,530 CAD
$5,380 USD
View
A
Retailer 4
-
$7,698 CAD
$5,500 USD
View
B+
Retailer 5
-
$12,059 CAD
£6,784 GBP
View
Most Expensive
B+
NZ Jewellers
00748c62-3f1a-4e06-8ebe-5455db0be285 · Oct 27
$12,595 CAD
$8,999 USD
View
5 more retailers have this diamond
Prices start from $7,137 CADSave up to $5,458 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
$7,137 CAD