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Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 7558230262

Certificate GIA 7558230262

Diamond specifications and retailer prices

From $10,748 NZD
As of November 6, 2026
Save $2,790 NZD (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $13,538 NZD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558230262. Listed at 7 retailers as of November 6, 2026, with prices from $10,748 to $13,538, a $2,790 spread on the same certified stone. GemTrove lists it at $13,538. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7558230262
Dimensions11.29 × 5.87 × 3.81 mm
L/W Ratio1.92
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Natural
Top View
11.29 mm5.87 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7558230262
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.9%

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: Nov 6
Current: $10,748 NZD|Low: $10,748 NZD|High: $13,324 NZD|Avg: $11,815 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$10,748 NZD
Retailer 3$11,122 NZD
Retailer 4$11,636 NZD
Retailer 2$11,764 NZD
Retailer 5$12,253 NZD

46 data points across 5 retailers

7 retailers$10,748 NZD to $13,538 NZD

A
Cheapest Retailer
-
$10,748 NZD
A
Retailer 2
-
$11,122 NZD
View
A
Retailer 3
-
$11,636 NZD
View
A
Retailer 4
-
$11,764 NZD
View
A
Retailer 5
-
$12,253 NZD
View
A
Retailer 6
-
$12,813 NZD
View
Most Expensive
B+
GemTrove
GT-N-01274147-98 · Nov 6
$13,538 NZD
A$11,708 AUD
View
6 more retailers have this diamond
Prices start from $10,748 NZDSave up to $2,790 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.

A
1.50ct Marquise
$10,748 NZD