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Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 1548830127

Certificate GIA 1548830127

Diamond specifications and retailer prices

From $13,809 NZD
$7,783 USD
As of October 31, 2026
Save $15,821 NZD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $29,631 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 1548830127. Listed at 17 retailers as of October 30, 2026, with prices from $13,809 to $29,631, a $15,821 spread on the same certified stone. NZ Jewellers lists it at $29,631. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1548830127
Dimensions12.89 × 5.44 × 3.53 mm
L/W Ratio2.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
12.89 mm5.44 mm1.50 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1548830127
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: 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: Oct 31
Current: $29,631 NZD|Low: $13,809 NZD|High: $29,830 NZD|Avg: $18,324 NZD|-0.7%
NZ Jewellers
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
November 1, 2026
Retailer 7$13,809 NZD
Retailer 6$14,815 NZD
Retailer 11$14,815 NZD
Retailer 5$15,011 NZD
Retailer 3$15,792 NZD
Retailer 13$16,050 NZD
Retailer 2$16,154 NZD
Retailer 12$16,297 NZD
Retailer 10$16,744 NZD
Retailer 8$18,520 NZD
Retailer 9$19,360 NZD
Retailer 4$19,501 NZD
Retailer 15$22,917 NZD
Retailer 14$24,823 NZD
NZ Jewellers$29,631 NZD

29 data points across 15 retailers

17 retailers$13,809 NZD to $29,631 NZD

A
Cheapest Retailer
-
$13,809 NZD
$7,783 USD
A
Retailer 2
-
$14,815 NZD
$8,350 USD
View
A
Retailer 3
-
$14,815 NZD
$8,350 USD
View
Final sale: no returns
Retailer 4
-
$14,915 NZD
$8,406 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$15,011 NZD
$8,460 USD
View
A
Retailer 6
-
$15,792 NZD
$8,900 USD
View
A
Retailer 7
-
$16,050 NZD
$9,046 USD
View
A
Retailer 8
-
$16,154 NZD
£7,169 GBP
View
A
Retailer 9
-
$16,297 NZD
$9,185 USD
View
A
Retailer 10
-
$16,744 NZD
£7,431 GBP
View
B+
Retailer 11
-
$16,820 NZD
$9,480 USD
View
B+
Retailer 12
-
$18,520 NZD
$10,438 USD
View
B+
Retailer 13
-
$19,360 NZD
€10,392 EUR
View
Retailer 14
-
$19,501 NZD
$10,991 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$22,917 NZD
£10,170 GBP
View
B
Retailer 16
-
$24,823 NZD
£11,016 GBP
View
Most Expensive
B
NZ Jewellers
a06dc633-0bd2-4f1c-87be-87fe01789819 · Oct 30
$29,631 NZD
$16,700 USD
View
16 more retailers have this diamond
Prices start from $13,809 NZDSave up to $15,821 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
$13,809 NZD