Marquise|Natural|GIA

1.51ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6542470783

Certificate GIA 6542470783

Diamond specifications and retailer prices

From $16,269 NZD

$9,154 USD

As of October 28, 2026

Save $12,957 NZD (44%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $29,226 NZD at NZ Jewellers · As of October 27, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542470783. Listed at 14 retailers as of October 27, 2026, with prices from $16,269 to $29,226, a $12,957 spread on the same certified stone. NZ Jewellers lists it at $29,226. 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

SI2

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Pavilion angle39.8°

OriginNatural

Grading LabGIA

CertificateGIA 6542470783

Dimensions11.78 × 5.93 × 3.70 mm

L/W Ratio1.99

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6542470783

Side View

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: Oct 28

Current: $29,226 NZD|Low: $16,177 NZD|High: $29,226 NZD|Avg: $20,468 NZD

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

October 29, 2026

Retailer 3$16,177 NZD

Retailer 13$16,269 NZD

Retailer 5$16,880 NZD

Retailer 12$17,535 NZD

Retailer 4$17,682 NZD

Retailer 11$18,998 NZD

Retailer 2$19,204 NZD

Retailer 10$19,289 NZD

Retailer 7$20,235 NZD

Retailer 9$20,645 NZD

Retailer 14$21,919 NZD

Retailer 6$22,019 NZD

Retailer 15$23,073 NZD

Retailer 8$27,533 NZD

NZ Jewellers$29,226 NZD

39 data points across 15 retailers

14 retailers$16,269 NZD to $29,226 NZD

B+

Cheapest Retailer

$16,269 NZD

$9,154 USD

Retailer 2

$16,880 NZD

CA$13,191 CAD

View

Retailer 3

$17,535 NZD

$9,866 USD

View

Price last confirmed 8 days ago

Retailer 4

$17,682 NZD

$9,949 USD

View

Price last confirmed 8 days ago

Retailer 5

$18,998 NZD

$10,689 USD

View

Price last confirmed 7 days ago

B+

Retailer 6

$19,204 NZD

£8,508 GBP

View

Retailer 7

$19,289 NZD

$10,853 USD

View

Price last confirmed 8 days ago

Retailer 8

$20,235 NZD

$11,385 USD

View

Retailer 9

$20,645 NZD

€11,063 EUR

View

Retailer 10

$21,919 NZD

$12,333 USD

View

Retailer 11

$22,019 NZD

$12,389 USD

View

Retailer 12

$23,073 NZD

$12,982 USD

View

Price last confirmed 10 days ago

Retailer 13

$27,533 NZD

£12,198 GBP

View

Most Expensive

NZ Jewellers

240641f6-00a5-4299-b027-002ec89afdb8 · Oct 27

$29,226 NZD

$16,444 USD

View

13 more retailers have this diamond

Prices start from $16,269 NZDSave up to $12,957 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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B+

1.51ct Marquise

$16,269 NZD