Marquise|Natural|GIA

1.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2245011740

Certificate GIA 2245011740

Diamond specifications and retailer prices

From $6,732 USD
As of November 6, 2026
Save $6,117 USD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,849 USD 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 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 2245011740. Listed at 14 retailers as of November 4, 2026, with prices from $6,732 to $12,849, a $6,117 spread on the same certified stone. MOH London lists it at $12,849. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245011740
Dimensions11.83 × 6.09 × 3.64 mm
L/W Ratio1.94
Culet sizeNone
Top View
11.83 mm6.09 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2245011740
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $12,849 USD|Low: $6,732 USD|High: $13,038 USD|Avg: $9,421 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$6,732 USD
Retailer 8$6,751 USD
Retailer 3$8,540 USD
Retailer 7$8,568 USD
Retailer 9$8,636 USD
Retailer 2$8,958 USD
Retailer 6$9,357 USD
Retailer 5$10,060 USD
MOH London$12,849 USD

43 data points across 9 retailers

14 retailers$6,732 USD to $12,849 USD

B+
Cheapest Retailer
-
$6,732 USD
B+
Retailer 2
-
$6,751 USD
View
B+
Retailer 3
-
$7,211 USD
View
B+
Retailer 4
-
$7,435 USD
View
B+
Retailer 5
-
$8,540 USD
View
B
Retailer 6
-
$8,568 USD
View
B
Retailer 7
-
$8,636 USD
View
B
Retailer 8
-
$8,958 USD
View
B
Retailer 9
-
$9,190 USD
View
B
Retailer 10
-
$9,190 USD
View
B
Retailer 11
-
$9,357 USD
View
B
Retailer 12
-
$9,490 USD
View
B
Retailer 13
-
$10,060 USD
View
Most Expensive
B
MOH London
B80DC7246 · Nov 4
$12,849 USD
£10,117 GBP
View
13 more retailers have this diamond
Prices start from $6,732 USDSave up to $6,117 USD

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
$6,732 USD