Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7553357466

Certificate GIA 7553357466

Diamond specifications and retailer prices

From $18,075 NZD

$10,170 USD

As of November 1, 2026

Save $14,416 NZD (44%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $32,491 NZD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct 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 7553357466. Listed at 26 retailers as of October 30, 2026, with prices from $18,075 to $32,491, a $14,416 spread on the same certified stone. NZ Jewellers lists it at $32,491. 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

1.51

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 7553357466

Dimensions11.87 × 6.01 × 3.45 mm

L/W Ratio1.98

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Crystal, Feather, Cavity, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 7553357466

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: $32,491 NZD|Low: $18,075 NZD|High: $32,491 NZD|Avg: $22,737 NZD

NZ Jewellers

Retailer 2

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Retailer 25

November 2, 2026

Retailer 6$18,075 NZD

Retailer 11$18,088 NZD

Retailer 22$18,313 NZD

Retailer 7$18,606 NZD

Retailer 2$18,653 NZD

Retailer 24$19,239 NZD

Retailer 12$19,493 NZD

Retailer 3$19,495 NZD

Retailer 9$20,800 NZD

Retailer 19$21,076 NZD

Retailer 5$21,120 NZD

Retailer 23$21,191 NZD

Retailer 25$21,445 NZD

Retailer 16$21,532 NZD

Retailer 17$21,962 NZD

Retailer 4$22,732 NZD

Retailer 15$22,732 NZD

Retailer 14$23,214 NZD

Retailer 13$23,471 NZD

Retailer 8$23,496 NZD

Retailer 18$23,767 NZD

Retailer 10$24,369 NZD

Retailer 21$28,640 NZD

Retailer 20$30,447 NZD

NZ Jewellers$32,491 NZD

36 data points across 25 retailers

26 retailers$18,075 NZD to $32,491 NZD

Cheapest Retailer

$18,075 NZD

$10,170 USD

Retailer 2

$18,088 NZD

$10,177 USD

View

Retailer 3

$18,313 NZD

A$15,852 AUD

View

B+

Retailer 4

$18,606 NZD

$10,469 USD

View

Retailer 5

$18,653 NZD

$10,495 USD

View

B+

Retailer 6

$19,239 NZD

$10,825 USD

View

B+

Retailer 7

$19,493 NZD

$10,968 USD

View

Final sale: no returns

B+

Retailer 8

$19,495 NZD

$10,969 USD

View

B+

Retailer 9

$20,800 NZD

$11,703 USD

View

B+

Retailer 10

$21,076 NZD

£9,337 GBP

View

B+

Retailer 11

$21,120 NZD

$11,883 USD

View

Retailer 12

$21,191 NZD

A$18,343 AUD

View

Price last confirmed 9 days ago

B+

Retailer 13

$21,445 NZD

$12,066 USD

View

B+

Retailer 14

$21,532 NZD

$12,115 USD

View

Retailer 15

$21,962 NZD

$12,357 USD

View

Price last confirmed 10 days ago

Retailer 16

$22,732 NZD

$12,790 USD

View

Retailer 17

$22,732 NZD

$12,790 USD

View

Retailer 18

$23,214 NZD

$13,061 USD

View

B+

Retailer 19

$23,471 NZD

€12,577 EUR

View

Retailer 20

$23,496 NZD

$13,220 USD

View

B+

Retailer 21

$23,767 NZD

$13,373 USD

View

B+

Retailer 22

$24,369 NZD

$13,711 USD

View

Retailer 23

$24,870 NZD

$13,993 USD

View

Price last confirmed 52 days ago

Retailer 24

$28,640 NZD

ZAR 260,329 ZAR

View

Retailer 25

$30,447 NZD

£13,489 GBP

View

Most Expensive

NZ Jewellers

90d1e83d-884f-47a5-b97e-aee151af1695 · Oct 30

$32,491 NZD

$18,281 USD

View

25 more retailers have this diamond

Prices start from $18,075 NZDSave up to $14,416 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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