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Marquise|Natural|GIA

1.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 5546345302

Certificate GIA 5546345302

Diamond specifications and retailer prices

From $17,346 NZD
$9,760 USD
As of November 2, 2026
Save $14,478 NZD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $31,824 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 H 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 5546345302. Listed at 15 retailers as of October 30, 2026, with prices from $17,346 to $31,824, a $14,478 spread on the same certified stone. NZ Jewellers lists it at $31,824. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5546345302
Dimensions11.24 × 5.83 × 3.84 mm
L/W Ratio1.93
Top View
11.24 mm5.83 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5546345302
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.8%

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 2
Current: $31,824 NZD|Low: $17,274 NZD|High: $31,824 NZD|Avg: $22,912 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$17,346 NZD
Retailer 6$19,092 NZD
Retailer 10$20,686 NZD
Retailer 4$20,844 NZD
Retailer 7$21,004 NZD
Retailer 2$21,514 NZD
Retailer 8$21,811 NZD
Retailer 3$24,053 NZD
Retailer 5$29,822 NZD
NZ Jewellers$31,824 NZD

43 data points across 10 retailers

15 retailers$17,346 NZD to $31,824 NZD

B+
Cheapest Retailer
-
$17,346 NZD
$9,760 USD
B+
Retailer 2
-
$17,890 NZD
$10,066 USD
View
B+
Retailer 3
-
$18,115 NZD
A$15,680 AUD
View
B
Retailer 4
-
$18,796 NZD
$10,576 USD
View
B
Retailer 5
-
$19,092 NZD
$10,742 USD
View
Final sale: no returns
B
Retailer 6
-
$20,686 NZD
$11,639 USD
View
B
Retailer 7
-
$20,844 NZD
£9,235 GBP
View
B
Retailer 8
-
$21,004 NZD
$11,818 USD
View
B
Retailer 9
-
$21,514 NZD
£9,531 GBP
View
B
Retailer 10
-
$21,811 NZD
$12,272 USD
View
B
Retailer 11
-
$22,964 NZD
$12,921 USD
View
B
Retailer 12
-
$23,867 NZD
$13,429 USD
View
B
Retailer 13
-
$24,053 NZD
€12,889 EUR
View
B
Retailer 14
-
$29,822 NZD
£13,212 GBP
View
Most Expensive
B
NZ Jewellers
bd99867b-f986-4c3e-8015-60d6ae55dbfd · Oct 30
$31,824 NZD
$17,906 USD
View
14 more retailers have this diamond
Prices start from $17,346 NZDSave up to $14,478 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
$17,346 NZD