Radiant|Natural|GIA

1.50ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7551892979

Certificate GIA 7551892979

Diamond specifications and retailer prices

From $11,295 CAD
$8,070 USD
As of October 28, 2026
Save $8,615 CAD (43%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $19,909 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551892979. Listed at 11 retailers as of October 27, 2026, with prices from $11,295 to $19,909, a $8,615 spread on the same certified stone. NZ Jewellers lists it at $19,909. 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

1.50
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551892979
Dimensions7.99 × 5.68 × 3.76 mm
L/W Ratio1.41
Girdle conditionPolished
Top View
7.99 mm5.68 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551892979
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCuletDepth 66.2%

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: $13,145 CAD|Low: $10,949 CAD|High: $18,881 CAD|Avg: $13,936 CAD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7$11,295 CAD
Retailer 8$11,773 CAD
Retailer 4$11,944 CAD
Retailer 1$13,145 CAD
Retailer 5$14,408 CAD
Retailer 6$14,931 CAD
Retailer 3$14,987 CAD
Retailer 2$18,756 CAD

39 data points across 8 retailers

11 retailers$11,295 CAD to $19,909 CAD

B+
Cheapest Retailer
-
$11,295 CAD
$8,070 USD
B+
Retailer 2
-
$11,773 CAD
View
B+
Retailer 3
-
$11,944 CAD
$8,534 USD
View
Final sale: no returns
B+
Retailer 4
-
$12,941 CAD
$9,246 USD
View
B+
Retailer 5
-
$13,139 CAD
$9,388 USD
View
B+
Retailer 6
-
$13,145 CAD
£7,395 GBP
View
B+
Retailer 7
-
$14,408 CAD
$10,294 USD
View
B
Retailer 8
-
$14,931 CAD
$10,668 USD
View
B+
Retailer 9
-
$14,987 CAD
€10,198 EUR
View
B
Retailer 10
-
$18,756 CAD
£10,552 GBP
View
Most Expensive
B
NZ Jewellers
aec22f1a-bd22-49de-8010-c898d40344e1 · Oct 27
$19,909 CAD
$14,225 USD
View
10 more retailers have this diamond
Prices start from $11,295 CADSave up to $8,615 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
$11,295 CAD