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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1555061951

Certificate GIA 1555061951

Diamond specifications and retailer prices

From $12,910 CAD
$9,224 USD
As of October 29, 2026
Save $11,577 CAD (47%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $24,487 CAD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by GIA 1555061951. Listed at 28 retailers as of October 27, 2026, with prices from $12,910 to $24,487, a $11,577 spread on the same certified stone. NZ Jewellers lists it at $24,487. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1555061951
Dimensions7.42 × 7.45 × 4.44 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.42 mm7.45 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555061951
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 59.7%

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 29
Current: $15,714 CAD|Low: $14,165 CAD|High: $23,223 CAD|Avg: $17,621 CAD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$14,165 CAD
Retailer 1$15,714 CAD
Retailer 7$15,961 CAD
Retailer 9$16,161 CAD
Retailer 2$16,297 CAD
Retailer 10$16,389 CAD
Retailer 5$17,672 CAD
Retailer 3$18,176 CAD
Retailer 6$21,470 CAD
Retailer 4$23,070 CAD

35 data points across 10 retailers

28 retailers$12,910 CAD to $24,487 CAD

B+
Cheapest Retailer
-
$12,910 CAD
$9,224 USD
B+
Retailer 2
-
$13,380 CAD
$9,560 USD
View
B+
Retailer 3
-
$13,634 CAD
$9,741 USD
View
B+
Retailer 4
-
$14,012 CAD
$10,012 USD
View
B+
Retailer 5
-
$14,042 CAD
View
B+
Retailer 6
-
$14,165 CAD
$10,121 USD
View
Final sale: no returns
B+
Retailer 7
-
$14,514 CAD
$10,370 USD
View
B+
Retailer 8
-
$14,693 CAD
$10,498 USD
View
B+
Retailer 9
-
$15,674 CAD
$11,199 USD
View
B+
Retailer 10
-
$15,714 CAD
£8,841 GBP
View
B+
Retailer 11
-
$15,918 CAD
$11,373 USD
View
B+
Retailer 12
-
$15,961 CAD
A$17,544 AUD
View
B+
Retailer 13
-
$16,161 CAD
$11,547 USD
View
B+
Retailer 14
-
$16,297 CAD
$11,644 USD
View
B+
Retailer 15
-
$16,389 CAD
$11,710 USD
View
B
Retailer 16
-
$16,974 CAD
$12,128 USD
View
B
Retailer 17
-
$17,173 CAD
$12,270 USD
View
B
Retailer 18
-
$17,173 CAD
$12,270 USD
View
B
Retailer 19
-
$17,672 CAD
€12,025 EUR
View
B
Retailer 20
-
$17,747 CAD
$12,680 USD
View
B
Retailer 21
-
$17,899 CAD
$12,789 USD
View
B
Retailer 22
-
$18,176 CAD
£10,225 GBP
View
B
Retailer 23
-
$18,262 CAD
$13,048 USD
View
B
Retailer 24
-
$18,366 CAD
$13,122 USD
View
B
Retailer 25
-
$19,330 CAD
$13,811 USD
View
B
Retailer 26
-
$21,470 CAD
ZAR 247,825 ZAR
View
B
Retailer 27
-
$23,070 CAD
£12,979 GBP
View
Most Expensive
B
NZ Jewellers
21bb4a3a-acc9-49e9-a74b-b4811afb21b7 · Oct 27
$24,487 CAD
$17,496 USD
View
27 more retailers have this diamond
Prices start from $12,910 CADSave up to $11,577 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 Round
$12,910 CAD