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Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 2567290792

Certificate GIA 2567290792

Diamond specifications and retailer prices

From $8,422 CAD
HK$47,100 HKD
As of October 31, 2026
Save $7,465 CAD (47%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,887 CAD at MOH London · As of October 26, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567290792. Listed at 16 retailers as of October 26, 2026, with prices from $8,422 to $15,887, a $7,465 spread on the same certified stone. MOH London lists it at $15,887. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567290792
Dimensions11.31 × 5.96 × 3.78 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Cavity, Needle
Top View
11.31 mm5.96 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567290792
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: 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 31
Current: $15,887 CAD|Low: $8,422 CAD|High: $16,055 CAD|Avg: $11,055 CAD|-1.0%
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
October 31, 2026
Retailer 9$8,422 CAD
Retailer 7$9,756 CAD
Retailer 3$10,010 CAD
Retailer 6$10,316 CAD
Retailer 12$10,352 CAD
Retailer 8$10,365 CAD
Retailer 15$10,484 CAD
Retailer 5$10,507 CAD
Retailer 14$10,675 CAD
Retailer 13$10,675 CAD
Retailer 16$10,910 CAD
Retailer 4$11,625 CAD
Retailer 11$12,256 CAD
Retailer 10$12,941 CAD
Retailer 2$13,779 CAD
MOH London$15,887 CAD

29 data points across 16 retailers

16 retailers$8,422 CAD to $15,887 CAD

A
Cheapest Retailer
-
$8,422 CAD
HK$47,100 HKD
Retailer 2
-
$9,756 CAD
SGD 9,438 SGD
View
Price last confirmed 22 days ago
B+
Retailer 3
-
$10,010 CAD
SGD 9,684 SGD
View
B+
Retailer 4
-
$10,316 CAD
$7,385 USD
View
B+
Retailer 5
-
$10,352 CAD
$7,411 USD
View
Final sale: no returns
B+
Retailer 6
-
$10,365 CAD
$7,420 USD
View
B+
Retailer 7
-
$10,484 CAD
$7,505 USD
View
Retailer 8
-
$10,507 CAD
$7,522 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
$10,675 CAD
£6,017 GBP
View
B+
Retailer 10
-
$10,675 CAD
£6,017 GBP
View
Retailer 11
-
$10,910 CAD
A$12,016 AUD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$11,625 CAD
$8,322 USD
View
B+
Retailer 13
-
$12,256 CAD
€8,356 EUR
View
B
Retailer 14
-
$12,941 CAD
$9,264 USD
View
B+
Retailer 15
-
$13,779 CAD
ZAR 159,352 ZAR
View
Most Expensive
B
MOH London
B88E0531F · Oct 26
$15,887 CAD
£8,955 GBP
View
15 more retailers have this diamond
Prices start from $8,422 CADSave up to $7,465 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
$8,422 CAD