Marquise|Natural|GIA

1.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2564368871

Certificate GIA 2564368871

Diamond specifications and retailer prices

From $13,242 CAD
SGD 12,810 SGD
As of October 30, 2026
Save $10,493 CAD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $23,735 CAD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564368871. Listed at 16 retailers as of October 30, 2026, with prices from $13,242 to $23,735, a $10,493 spread on the same certified stone. With Clarity lists it at $23,735. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.9°
Pavilion angle39.78°
OriginNatural
Grading LabGIA
CertificateGIA 2564368871
Dimensions11.76 × 5.65 × 3.59 mm
L/W Ratio2.08
Culet sizeNone
Top View
11.76 mm5.65 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564368871
Side View
Table 58.0%Crown 39.9°Girdle: STK-VTKPavilion 39.78°Culet: NDepth 63.5%

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 30
Current: $19,522 CAD|Low: $13,242 CAD|High: $23,735 CAD|Avg: $16,319 CAD
Retailer 1
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
Retailer 15
With Clarity
October 31, 2026
Retailer 6$13,242 CAD
Retailer 2$13,899 CAD
Retailer 10$14,165 CAD
Retailer 7$14,265 CAD
Retailer 11$14,335 CAD
Retailer 15$14,374 CAD
Retailer 14$14,640 CAD
Retailer 4$14,653 CAD
Retailer 8$14,777 CAD
Retailer 5$16,866 CAD
Retailer 9$16,866 CAD
Retailer 13$17,028 CAD
Retailer 12$17,387 CAD
Retailer 1$19,522 CAD
Retailer 3$20,817 CAD
With Clarity$23,735 CAD

27 data points across 16 retailers

16 retailers$13,242 CAD to $23,735 CAD

B+
Cheapest Retailer
-
$13,242 CAD
SGD 12,810 SGD
B+
Retailer 2
-
$13,899 CAD
$9,950 USD
View
B+
Retailer 3
-
$14,165 CAD
$10,140 USD
View
B+
Retailer 4
-
$14,265 CAD
$10,212 USD
View
B+
Retailer 5
-
$14,335 CAD
SGD 13,868 SGD
View
B+
Retailer 6
-
$14,374 CAD
$10,290 USD
View
B+
Retailer 7
-
$14,640 CAD
$10,480 USD
View
B+
Retailer 8
-
$14,653 CAD
$10,490 USD
View
B+
Retailer 9
-
$14,777 CAD
£8,330 GBP
View
B
Retailer 10
-
$16,866 CAD
$12,074 USD
View
B
Retailer 11
-
$16,866 CAD
€11,499 EUR
View
B
Retailer 12
-
$17,028 CAD
$12,190 USD
View
B
Retailer 13
-
$17,387 CAD
$12,447 USD
View
B
Retailer 14
-
$19,522 CAD
$13,975 USD
View
B
Retailer 15
-
$20,817 CAD
$14,902 USD
View
Most Expensive
B
With Clarity
2564368871 · Oct 30
$23,735 CAD
$16,991 USD
View
15 more retailers have this diamond
Prices start from $13,242 CADSave up to $10,493 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 Marquise
$13,242 CAD