Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7553357466

Certificate GIA 7553357466

Diamond specifications and retailer prices

From £7,590 GBP

$10,170 USD

As of November 1, 2026

Save £6,053 GBP (44%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £13,644 GBP 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 £7,590 to £13,644, a £6,053 spread on the same certified stone. NZ Jewellers lists it at £13,644. 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: £13,644 GBP|Low: £7,590 GBP|High: £13,644 GBP|Avg: £9,548 GBP

NZ Jewellers

Retailer 2

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Retailer 25

November 2, 2026

Retailer 6£7,590 GBP

Retailer 11£7,595 GBP

Retailer 22£7,690 GBP

Retailer 7£7,813 GBP

Retailer 2£7,833 GBP

Retailer 24£8,079 GBP

Retailer 12£8,186 GBP

Retailer 3£8,186 GBP

Retailer 9£8,734 GBP

Retailer 19£8,850 GBP

Retailer 5£8,869 GBP

Retailer 23£8,899 GBP

Retailer 25£9,005 GBP

Retailer 16£9,042 GBP

Retailer 17£9,222 GBP

Retailer 4£9,546 GBP

Retailer 15£9,546 GBP

Retailer 14£9,748 GBP

Retailer 13£9,856 GBP

Retailer 8£9,866 GBP

Retailer 18£9,980 GBP

Retailer 10£10,233 GBP

Retailer 21£12,027 GBP

Retailer 20£12,785 GBP

NZ Jewellers£13,644 GBP

36 data points across 25 retailers

26 retailers£7,590 GBP to £13,644 GBP

Cheapest Retailer

£7,590 GBP

$10,170 USD

Retailer 2

£7,595 GBP

$10,177 USD

View

Retailer 3

£7,690 GBP

A$15,852 AUD

View

B+

Retailer 4

£7,813 GBP

$10,469 USD

View

Retailer 5

£7,833 GBP

$10,495 USD

View

B+

Retailer 6

£8,079 GBP

$10,825 USD

View

B+

Retailer 7

£8,186 GBP

$10,968 USD

View

Final sale: no returns

B+

Retailer 8

£8,186 GBP

$10,969 USD

View

B+

Retailer 9

£8,734 GBP

$11,703 USD

View

B+

Retailer 10

£8,850 GBP

View

B+

Retailer 11

£8,869 GBP

$11,883 USD

View

Retailer 12

£8,899 GBP

A$18,343 AUD

View

Price last confirmed 9 days ago

B+

Retailer 13

£9,005 GBP

$12,066 USD

View

B+

Retailer 14

£9,042 GBP

$12,115 USD

View

Retailer 15

£9,222 GBP

$12,357 USD

View

Price last confirmed 10 days ago

Retailer 16

£9,546 GBP

$12,790 USD

View

Retailer 17

£9,546 GBP

$12,790 USD

View

Retailer 18

£9,748 GBP

$13,061 USD

View

B+

Retailer 19

£9,856 GBP

€12,577 EUR

View

Retailer 20

£9,866 GBP

$13,220 USD

View

B+

Retailer 21

£9,980 GBP

$13,373 USD

View

B+

Retailer 22

£10,233 GBP

$13,711 USD

View

Retailer 23

£10,443 GBP

$13,993 USD

View

Price last confirmed 52 days ago

Retailer 24

£12,027 GBP

ZAR 260,329 ZAR

View

Retailer 25

£12,785 GBP

View

Most Expensive

NZ Jewellers

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

£13,644 GBP

$18,281 USD

View

25 more retailers have this diamond

Prices start from £7,590 GBPSave up to £6,053 GBP

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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