Marquise|Natural|GIA

1.51ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 7552019426

Certificate GIA 7552019426

Diamond specifications and retailer prices

From £5,839 GBP

$7,836 USD

As of November 2, 2026

11 retailers carry this diamond

Most expensive: £7,913 GBP 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: £5,486 GBP|Low: £4,464 GBP|High: £8,148 GBP|Avg: £5,463 GBP|-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£4,464 GBP

Retailer 2£4,500 GBP

Retailer 3£4,577 GBP

Retailer 8£4,583 GBP

Retailer 5£4,688 GBP

Retailer 6£4,935 GBP

Retailer 9£5,179 GBP

Retailer 11£5,442 GBP

Retailer 10£5,474 GBP

Retailer 1£5,486 GBP

Retailer 7£6,140 GBP

Retailer 12£7,109 GBP

Wholesale Diamonds Direct£7,913 GBP

30 data points across 13 retailers

11 retailers

Retailer 1

£4,464 GBP

SGD 8,096 SGD

Price last confirmed 19 days ago

Retailer 2

£4,500 GBP

$6,039 USD

View

Price last confirmed 12 days ago

Retailer 3

£4,577 GBP

SGD 8,300 SGD

View

Price last confirmed 11 days ago

Retailer 4

£4,583 GBP

$6,151 USD

View

Price last confirmed 12 days ago

Retailer 5

£4,688 GBP

$6,291 USD

View

Price last confirmed 10 days ago

Retailer 6

£4,935 GBP

View

Price last confirmed 11 days ago

Retailer 7

£5,179 GBP

$6,950 USD

View

Price last confirmed 12 days ago

Retailer 8

£5,474 GBP

$7,346 USD

View

Price last confirmed 13 days ago

B+

Retailer 9

£5,839 GBP

$7,836 USD

View

Retailer 10

£7,109 GBP

$9,540 USD

View

Price last confirmed 13 days ago

Most Expensive

Wholesale Diamonds Direct

262936323 · Oct 21

£7,913 GBP

$10,618 USD

View

Price last confirmed 12 days ago

10 more retailers have this diamond

Prices start from £5,839 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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B+

1.51ct Marquise

£5,839 GBP