Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6555718804

Certificate GIA 6555718804

Diamond specifications and retailer prices

From $16,226 NZD

$9,145 USD

As of November 1, 2026

Save $14,888 NZD (48%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: $31,114 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555718804. Listed at 31 retailers as of October 30, 2026, with prices from $16,226 to $31,114, a $14,888 spread on the same certified stone. NZ Jewellers lists it at $31,114. 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

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceFaint

OriginNatural

Grading LabGIA

CertificateGIA 6555718804

Dimensions10.91 × 5.92 × 3.77 mm

L/W Ratio1.84

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Crystal, Feather, Cavity, Needle, Indented Natural, Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceFaint

CertificateGIA 6555718804

Side View

Caratlytics Score

How it works →

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 1

Current: $31,114 NZD|Low: $14,876 NZD|High: $31,881 NZD|Avg: $20,884 NZD

NZ Jewellers

Retailer 2

Retailer 3

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Retailer 5

Retailer 6

Retailer 7

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Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

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Retailer 18

Retailer 19

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Retailer 21

Retailer 22

Retailer 23

Retailer 24

Retailer 25

Retailer 26

Retailer 27

Retailer 28

Retailer 29

November 2, 2026

Retailer 27$16,226 NZD

Retailer 15$16,678 NZD

Retailer 11$17,299 NZD

Retailer 3$17,322 NZD

Retailer 16$17,805 NZD

Retailer 26$17,851 NZD

Retailer 9$18,357 NZD

Retailer 14$18,444 NZD

Retailer 10$18,669 NZD

Retailer 28$18,669 NZD

Retailer 17$19,893 NZD

Retailer 18$19,916 NZD

Retailer 13$20,006 NZD

Retailer 29$20,225 NZD

Retailer 25$20,281 NZD

Retailer 12$20,536 NZD

Retailer 8$20,648 NZD

Retailer 4$20,825 NZD

Retailer 19$20,986 NZD

Retailer 21$21,140 NZD

Retailer 20$22,189 NZD

Retailer 6$22,242 NZD

Retailer 22$22,736 NZD

Retailer 7$22,744 NZD

Retailer 5$23,336 NZD

Retailer 2$23,515 NZD

Retailer 24$27,427 NZD

Retailer 23$29,156 NZD

NZ Jewellers$31,114 NZD

36 data points across 29 retailers

31 retailers$16,226 NZD to $31,114 NZD

Retailer 1

$13,422 NZD

HK$59,100 HKD

Price last confirmed 38 days ago

Retailer 2

$14,381 NZD

$8,105 USD

View

Price last confirmed 46 days ago

Retailer 3

$16,226 NZD

$9,145 USD

View

Retailer 4

$16,678 NZD

$9,400 USD

View

B+

Retailer 5

$17,299 NZD

$9,750 USD

View

B+

Retailer 6

$17,322 NZD

$9,763 USD

View

B+

Retailer 7

$17,526 NZD

A$15,196 AUD

View

B+

Retailer 8

$17,805 NZD

$10,035 USD

View

B+

Retailer 9

$17,851 NZD

$10,061 USD

View

B+

Retailer 10

$18,357 NZD

CA$14,370 CAD

View

B+

Retailer 11

$18,444 NZD

$10,395 USD

View

B+

Retailer 12

$18,669 NZD

$10,522 USD

View

B+

Retailer 13

$18,669 NZD

$10,522 USD

View

Final sale: no returns

B+

Retailer 14

$19,893 NZD

$11,212 USD

View

B+

Retailer 15

$19,916 NZD

$11,225 USD

View

B+

Retailer 16

$20,006 NZD

£8,878 GBP

View

B+

Retailer 17

$20,225 NZD

$11,399 USD

View

Retailer 18

$20,281 NZD

A$17,585 AUD

View

Price last confirmed 9 days ago

B+

Retailer 19

$20,536 NZD

$11,574 USD

View

B+

Retailer 20

$20,648 NZD

$11,637 USD

View

B+

Retailer 21

$20,825 NZD

$11,737 USD

View

Retailer 22

$20,905 NZD

$11,782 USD

View

Price last confirmed 62 days ago

Retailer 23

$20,986 NZD

$11,828 USD

View

Price last confirmed 19 days ago

Retailer 24

$22,189 NZD

$12,506 USD

View

Retailer 25

$22,242 NZD

$12,535 USD

View

Retailer 26

$22,744 NZD

$12,818 USD

View

B+

Retailer 27

$23,336 NZD

$13,152 USD

View

B+

Retailer 28

$23,515 NZD

€12,622 EUR

View

Retailer 29

$27,427 NZD

ZAR 249,721 ZAR

View

Retailer 30

$29,156 NZD

£12,939 GBP

View

Most Expensive

NZ Jewellers

9010dca9-b235-4b2b-8fda-183916b6f45c · Oct 30

$31,114 NZD

$17,536 USD

View

30 more retailers have this diamond

Prices start from $16,226 NZDSave up to $14,888 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.

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