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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1538231733

Certificate GIA 1538231733

Diamond specifications and retailer prices

From $5,239 CAD
HK$29,300 HKD
As of October 30, 2026
Save $7,020 CAD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,259 CAD at Queensmith · As of October 28, 2026
View at Queensmith

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 GIA 1538231733. Listed at 20 retailers as of October 28, 2026, with prices from $5,239 to $12,259, a $7,020 spread on the same certified stone. Queensmith lists it at $12,259. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1538231733
Dimensions7.29 × 7.22 × 4.60 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
7.29 mm7.22 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1538231733
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.4%

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 30
Current: $12,259 CAD|Low: $5,626 CAD|High: $12,303 CAD|Avg: $7,543 CAD|+2.5%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4$5,660 CAD
Retailer 7$6,120 CAD
Retailer 8$6,175 CAD
Retailer 9$6,368 CAD
Retailer 5$6,429 CAD
Retailer 2$6,817 CAD
Retailer 3$7,809 CAD
Retailer 6$11,047 CAD
Queensmith$12,259 CAD

27 data points across 9 retailers

20 retailers$5,239 CAD to $12,259 CAD

A
Cheapest Retailer
-
$5,239 CAD
HK$29,300 HKD
A
Retailer 2
-
$5,660 CAD
₹385,921 INR
View
A
Retailer 3
-
$6,120 CAD
$4,381 USD
View
A
Retailer 4
-
$6,175 CAD
SGD 5,974 SGD
View
A
Retailer 5
-
$6,368 CAD
$4,559 USD
View
Final sale: no returns
A
Retailer 6
-
$6,420 CAD
$4,596 USD
View
A
Retailer 7
-
$6,429 CAD
£3,624 GBP
View
A
Retailer 8
-
$6,713 CAD
SGD 6,494 SGD
View
A
Retailer 9
-
$6,817 CAD
£3,842 GBP
View
A
Retailer 10
-
$6,873 CAD
$4,920 USD
View
Retailer 11
-
$6,899 CAD
$4,939 USD
View
Price last confirmed 32 days ago
Retailer 12
-
$6,899 CAD
$4,939 USD
View
Price last confirmed 15 days ago
Retailer 13
-
$6,899 CAD
$4,939 USD
View
Price last confirmed 31 days ago
Retailer 14
-
$6,899 CAD
$4,939 USD
View
Price last confirmed 11 days ago
A
Retailer 15
-
$7,111 CAD
$5,090 USD
View
A
Retailer 16
-
$7,809 CAD
€5,324 EUR
View
Retailer 17
-
$7,961 CAD
$5,699 USD
View
Price last confirmed 31 days ago
B+
Retailer 18
-
$11,047 CAD
£6,227 GBP
View
Retailer 19
-
$12,020 CAD
$8,605 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Queensmith
1538231733 · Oct 28
$12,259 CAD
£6,910 GBP
View
19 more retailers have this diamond
Prices start from $5,239 CADSave up to $7,020 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
$5,239 CAD