Round|Natural|IGI

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 803677130

Shape and cutting style on the report: Round brilliant

Certificate IGI 803677130

Diamond specifications and retailer prices

From $2,290 CAD
SGD 2,211 SGD
As of October 29, 2026
Save $14,413 CAD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $17,386 CAD at NZ Jewellers · As of September 28, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803677130. Listed at 22 retailers as of October 29, 2026, with a 629% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 803677130
Dimensions7.23 × 7.28 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.23 mm7.28 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803677130
Side View
Table 55.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.8%

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 29
Current: $16,703 CAD|Low: $2,290 CAD|High: $17,092 CAD|Avg: $7,550 CAD|-2.3%
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
October 28, 2026
Retailer 9$2,290 CAD
Retailer 7$2,682 CAD
Retailer 2$2,705 CAD
Retailer 11$3,450 CAD
Retailer 14$3,493 CAD
Retailer 12$4,768 CAD
Retailer 8$7,964 CAD
Retailer 13$8,102 CAD
Retailer 4$9,274 CAD
Retailer 10$9,521 CAD
Retailer 6$9,986 CAD
Retailer 3$10,140 CAD
Retailer 5$14,792 CAD
NZ Jewellers$16,703 CAD

28 data points across 14 retailers

22 retailers$2,290 CAD to $16,703 CAD

A
Cheapest Retailer
-
$2,290 CAD
SGD 2,211 SGD
A
Retailer 2
-
$2,682 CAD
$1,916 USD
View
A
Retailer 3
-
$2,705 CAD
$1,933 USD
View
A
Retailer 4
-
$2,729 CAD
$1,950 USD
View
A
Retailer 5
-
$3,450 CAD
$2,465 USD
View
A
Retailer 6
-
$3,493 CAD
£1,965 GBP
View
A
Retailer 7
-
$3,706 CAD
$2,648 USD
View
A
Retailer 8
-
$4,066 CAD
$2,905 USD
View
A
Retailer 9
-
$4,768 CAD
$3,407 USD
View
Retailer 10
-
$5,549 CAD
$3,965 USD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$7,964 CAD
$5,690 USD
View
A
Retailer 12
-
$8,102 CAD
$5,789 USD
View
A
Retailer 13
-
$8,785 CAD
$6,277 USD
View
B+
Retailer 14
-
$9,521 CAD
$6,803 USD
View
B+
Retailer 15
-
$9,986 CAD
$7,135 USD
View
B+
Retailer 16
-
$10,140 CAD
$7,245 USD
View
Retailer 17
-
$10,220 CAD
$7,302 USD
View
Price last confirmed 22 days ago
Retailer 18
-
$10,395 CAD
$7,427 USD
View
Price last confirmed 33 days ago
Retailer 19
-
$10,554 CAD
$7,541 USD
View
Price last confirmed 30 days ago
B
Retailer 20
-
$16,703 CAD
$11,934 USD
View
Retailer 21
-
$17,092 CAD
$12,212 USD
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
6c06a3cd-2692-446b-97cd-7071d15697d8 · Sep 28
$17,386 CAD
$12,422 USD
View
Price last confirmed 32 days ago
21 more retailers have this diamond
Prices start from $2,290 CADSave up to $14,413 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
1.50ct Round
$2,290 CAD