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Marquise|Natural|GIA

1.50ct J SI1 Marquise Natural Diamond

GD • J/SI1 • GIA 3555405223

Certificate GIA 3555405223

Diamond specifications and retailer prices

From $10,595 CAD
As of November 4, 2026
Save $8,213 CAD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,807 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 3555405223. Listed at 15 retailers as of November 4, 2026, with prices from $10,595 to $18,807, a $8,213 spread on the same certified stone. MOH London lists it at $18,807. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
J
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3555405223
Dimensions10.93 × 5.92 × 3.88 mm
L/W Ratio1.85
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Cloud, Needle
Top View
10.93 mm5.92 mm1.50 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3555405223
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $18,807 CAD|Low: $9,157 CAD|High: $18,959 CAD|Avg: $12,667 CAD|-0.8%
MOH London
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 8$9,157 CAD
Retailer 5$10,595 CAD
Retailer 17$10,696 CAD
Retailer 6$10,915 CAD
Retailer 7$10,915 CAD
Retailer 13$11,116 CAD
Retailer 14$11,267 CAD
Retailer 9$11,281 CAD
Retailer 4$11,410 CAD
Retailer 10$12,510 CAD
Retailer 16$13,003 CAD
Retailer 12$14,145 CAD
Retailer 15$14,148 CAD
Retailer 2$14,703 CAD
Retailer 3$14,899 CAD
Retailer 11$16,508 CAD
MOH London$18,807 CAD

10 data points across 17 retailers

15 retailers$10,595 CAD to $18,807 CAD

B
Cheapest Retailer
-
$10,595 CAD
B
Retailer 2
-
$10,696 CAD
View
B
Retailer 3
-
$11,116 CAD
View
B
Retailer 4
-
$11,267 CAD
View
Retailer 5
-
$11,316 CAD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$11,410 CAD
View
B
Retailer 7
-
$12,259 CAD
View
B
Retailer 8
-
$12,447 CAD
View
B
Retailer 9
-
$12,510 CAD
View
B
Retailer 10
-
$13,003 CAD
View
C
Retailer 11
-
$14,145 CAD
View
C
Retailer 12
-
$14,148 CAD
View
B
Retailer 13
-
$14,703 CAD
View
C
Retailer 14
-
$16,508 CAD
View
Most Expensive
C
MOH London
565D9531F · Nov 4
$18,807 CAD
£10,528 GBP
View
14 more retailers have this diamond
Prices start from $10,595 CADSave up to $8,213 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
$10,595 CAD