Marquise|Natural|GIA

1.51ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 7552019426

Certificate GIA 7552019426

Diamond specifications and retailer prices

From $13,927 NZD

$7,836 USD

As of November 2, 2026

11 retailers carry this diamond

Most expensive: $18,872 NZD at Wholesale Diamonds Direct · As of October 21, 2026

View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I 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 7552019426. Listed at 11 retailers as of November 2, 2026. 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

Crown angle38.11°

Pavilion angle36.56°

OriginNatural

Grading LabGIA

CertificateGIA 7552019426

Dimensions11.46 × 6.06 × 3.61 mm

L/W Ratio1.89

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 7552019426

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: Nov 2

Current: $13,084 NZD|Low: $10,648 NZD|High: $19,433 NZD|Avg: $13,030 NZD|-2.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Wholesale Diamonds Direct

October 23, 2026

Retailer 4$10,648 NZD

Retailer 2$10,733 NZD

Retailer 3$10,916 NZD

Retailer 8$10,931 NZD

Retailer 5$11,181 NZD

Retailer 6$11,771 NZD

Retailer 9$12,352 NZD

Retailer 11$12,979 NZD

Retailer 10$13,056 NZD

Retailer 1$13,084 NZD

Retailer 7$14,643 NZD

Retailer 12$16,955 NZD

Wholesale Diamonds Direct$18,872 NZD

30 data points across 13 retailers

11 retailers

Retailer 1

$10,648 NZD

SGD 8,096 SGD

Price last confirmed 19 days ago

Retailer 2

$10,733 NZD

$6,039 USD

View

Price last confirmed 12 days ago

Retailer 3

$10,916 NZD

SGD 8,300 SGD

View

Price last confirmed 11 days ago

Retailer 4

$10,931 NZD

$6,151 USD

View

Price last confirmed 12 days ago

Retailer 5

$11,181 NZD

$6,291 USD

View

Price last confirmed 11 days ago

Retailer 6

$11,771 NZD

£5,215 GBP

View

Price last confirmed 11 days ago

Retailer 7

$12,352 NZD

$6,950 USD

View

Price last confirmed 12 days ago

Retailer 8

$13,056 NZD

$7,346 USD

View

Price last confirmed 13 days ago

B+

Retailer 9

$13,927 NZD

$7,836 USD

View

Retailer 10

$16,955 NZD

$9,540 USD

View

Price last confirmed 13 days ago

Most Expensive

Wholesale Diamonds Direct

262936323 · Oct 21

$18,872 NZD

$10,618 USD

View

Price last confirmed 12 days ago

10 more retailers have this diamond

Prices start from $13,927 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

$13,927 NZD