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Marquise|Natural|GIA

1.50ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 2557644890

Certificate GIA 2557644890

Diamond specifications and retailer prices

From $9,094 CAD
As of November 6, 2026
Save $2,342 CAD (20%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,436 CAD at GemTrove · As of November 6, 2026
View at GemTrove

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557644890. Listed at 6 retailers as of November 6, 2026, with prices from $9,094 to $11,436, a $2,342 spread on the same certified stone. GemTrove lists it at $11,436. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557644890
Dimensions11.11 × 5.86 × 3.77 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
11.11 mm5.86 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557644890
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.3%

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: Nov 6
Current: $9,094 CAD|Low: $8,696 CAD|High: $10,737 CAD|Avg: $9,791 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$9,094 CAD
Retailer 3$9,492 CAD
Retailer 4$9,876 CAD
Retailer 2$10,070 CAD
Retailer 5$10,277 CAD

46 data points across 5 retailers

6 retailers$9,094 CAD to $11,436 CAD

A
Cheapest Retailer
-
$9,094 CAD
A
Retailer 2
-
$9,492 CAD
View
A
Retailer 3
-
$9,876 CAD
View
A
Retailer 4
-
$10,070 CAD
View
B+
Retailer 5
-
$10,277 CAD
View
Final sale: no returns
Most Expensive
B+
GemTrove
GT-N-01274160-98 · Nov 6
$11,436 CAD
A$12,508 AUD
View
5 more retailers have this diamond
Prices start from $9,094 CADSave up to $2,342 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 Marquise
$9,094 CAD