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Marquise|Natural|GIA

1.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2245011740

Certificate GIA 2245011740

Diamond specifications and retailer prices

From $12,144 NZD
As of November 6, 2026
Save $11,034 NZD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $23,178 NZD 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 $12,144 to $23,178, a $11,034 spread on the same certified stone. MOH London lists it at $23,178. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $23,178 NZD|Low: $12,144 NZD|High: $23,519 NZD|Avg: $16,995 NZD|-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$12,144 NZD
Retailer 8$12,178 NZD
Retailer 3$15,405 NZD
Retailer 7$15,456 NZD
Retailer 9$15,578 NZD
Retailer 2$16,159 NZD
Retailer 6$16,879 NZD
Retailer 5$18,147 NZD
MOH London$23,178 NZD

43 data points across 9 retailers

14 retailers$12,144 NZD to $23,178 NZD

B+
Cheapest Retailer
-
$12,144 NZD
B+
Retailer 2
-
$12,178 NZD
View
B+
Retailer 3
-
$13,008 NZD
View
B+
Retailer 4
-
$13,412 NZD
View
B+
Retailer 5
-
$15,405 NZD
View
B
Retailer 6
-
$15,456 NZD
View
B
Retailer 7
-
$15,578 NZD
View
B
Retailer 8
-
$16,159 NZD
View
B
Retailer 9
-
$16,578 NZD
View
B
Retailer 10
-
$16,578 NZD
View
B
Retailer 11
-
$16,879 NZD
View
B
Retailer 12
-
$17,119 NZD
View
B
Retailer 13
-
$18,147 NZD
View
Most Expensive
B
MOH London
B80DC7246 · Nov 4
$23,178 NZD
£10,117 GBP
View
13 more retailers have this diamond
Prices start from $12,144 NZDSave up to $11,034 NZD

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
$12,144 NZD