Marquise|Natural|GIA

1.51ct E SI1 Marquise Natural Diamond

ID • E/SI1 • GIA 5563079706

Certificate GIA 5563079706

Diamond specifications and retailer prices

From $16,799 NZD

$9,468 USD

As of November 1, 2026

Save $12,729 NZD (43%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $29,528 NZD at MOH London · As of November 1, 2026

View at MOH London

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded E 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 5563079706. Listed at 14 retailers as of November 1, 2026, with prices from $16,799 to $29,528, a $12,729 spread on the same certified stone. MOH London lists it at $29,528. 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

Ideal

Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal

PolishVery Good

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 5563079706

Dimensions10.97 × 6.10 × 3.58 mm

L/W Ratio1.80

Key to symbols

Crystal, Feather, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutIdeal

PolishVery Good

SymmetryExcellent

FluorescenceNone

CertificateGIA 5563079706

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: $29,528 NZD|Low: $16,711 NZD|High: $29,884 NZD|Avg: $21,207 NZD|+2.9%

MOH London

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

Retailer 16

Retailer 17

November 1, 2026

Retailer 7$16,711 NZD

Retailer 12$16,799 NZD

Retailer 11$17,104 NZD

Retailer 14$17,651 NZD

Retailer 8$18,187 NZD

Retailer 5$18,985 NZD

Retailer 6$20,103 NZD

Retailer 2$20,264 NZD

Retailer 3$20,963 NZD

Retailer 13$22,090 NZD

Retailer 17$22,090 NZD

Retailer 16$22,522 NZD

Retailer 15$22,817 NZD

Retailer 10$23,824 NZD

Retailer 9$24,216 NZD

Retailer 4$24,872 NZD

MOH London$29,528 NZD

24 data points across 17 retailers

14 retailers$16,799 NZD to $29,528 NZD

Cheapest Retailer

$16,799 NZD

$9,468 USD

Retailer 2

$17,104 NZD

$9,640 USD

View

B+

Retailer 3

$17,651 NZD

$9,948 USD

View

Retailer 4

$18,187 NZD

$10,250 USD

View

Price last confirmed 41 days ago

Retailer 5

$20,103 NZD

A$17,431 AUD

View

Price last confirmed 31 days ago

B+

Retailer 6

$20,264 NZD

£8,993 GBP

View

B+

Retailer 7

$20,963 NZD

$11,815 USD

View

Retailer 8

$22,090 NZD

$12,450 USD

View

Retailer 9

$22,090 NZD

$12,450 USD

View

Retailer 10

$22,522 NZD

$12,693 USD

View

Retailer 11

$22,817 NZD

$12,860 USD

View

B+

Retailer 12

$23,824 NZD

€12,788 EUR

View

Retailer 13

$24,872 NZD

$14,018 USD

View

Price last confirmed 18 days ago

Most Expensive

MOH London

ECD38B8DE · Nov 1

$29,528 NZD

£13,104 GBP

View

13 more retailers have this diamond

Prices start from $16,799 NZDSave up to $12,729 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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1.51ct Marquise

$16,799 NZD