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Marquise|Natural|GIA

1.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2556380273

Certificate GIA 2556380273

Diamond specifications and retailer prices

From $9,148 CAD
$6,549 USD
As of October 30, 2026
Save $7,074 CAD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $16,222 CAD at MOH London · As of October 29, 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 I 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 2556380273. Listed at 14 retailers as of October 29, 2026, with prices from $9,148 to $16,222, a $7,074 spread on the same certified stone. MOH London lists it at $16,222. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556380273
Dimensions11.18 × 5.86 × 3.78 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
11.18 mm5.86 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556380273
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

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: $16,222 CAD|Low: $8,875 CAD|High: $16,330 CAD|Avg: $11,145 CAD|-0.7%
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
Retailer 18
October 30, 2026
Retailer 18$9,148 CAD
Retailer 8$9,214 CAD
Retailer 10$9,415 CAD
Retailer 9$9,532 CAD
Retailer 4$9,682 CAD
Retailer 17$9,682 CAD
Retailer 3$9,763 CAD
Retailer 5$10,650 CAD
Retailer 11$10,927 CAD
Retailer 2$11,328 CAD
Retailer 13$11,580 CAD
Retailer 15$11,580 CAD
Retailer 14$11,957 CAD
Retailer 6$11,995 CAD
Retailer 16$12,103 CAD
Retailer 12$12,632 CAD
Retailer 7$12,752 CAD
MOH London$16,222 CAD

23 data points across 18 retailers

14 retailers$9,148 CAD to $16,222 CAD

B+
Cheapest Retailer
-
$9,148 CAD
$6,549 USD
B+
Retailer 2
-
$9,682 CAD
$6,931 USD
View
Final sale: no returns
Retailer 3
-
$9,682 CAD
$6,931 USD
View
Price last confirmed 20 days ago
B+
Retailer 4
-
$9,763 CAD
$6,989 USD
View
B+
Retailer 5
-
$10,650 CAD
$7,624 USD
View
B+
Retailer 6
-
$10,927 CAD
£6,159 GBP
View
B+
Retailer 7
-
$11,328 CAD
£6,385 GBP
View
B
Retailer 8
-
$11,580 CAD
$8,290 USD
View
B
Retailer 9
-
$11,580 CAD
$8,290 USD
View
B
Retailer 10
-
$11,957 CAD
$8,560 USD
View
B
Retailer 11
-
$12,103 CAD
$8,664 USD
View
B
Retailer 12
-
$12,632 CAD
€8,612 EUR
View
Retailer 13
-
$12,752 CAD
$9,129 USD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
1FA2D8523 · Oct 29
$16,222 CAD
£9,144 GBP
View
13 more retailers have this diamond
Prices start from $9,148 CADSave up to $7,074 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
$9,148 CAD