Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2245072899

Certificate GIA 2245072899

Diamond specifications and retailer prices

From £6,687 GBP

HK$70,000 HKD

As of October 30, 2026

Save £6,173 GBP (48%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £12,860 GBP at With Clarity · As of October 30, 2026

View at With Clarity

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by GIA 2245072899. Listed at 26 retailers as of October 30, 2026, with prices from £6,687 to £12,860, a £6,173 spread on the same certified stone. With Clarity lists it at £12,860. 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

1.50

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.5°

Pavilion angle41.2°

OriginNatural

Grading LabGIA

CertificateGIA 2245072899

Dimensions7.30 × 7.33 × 4.50 mm

L/W Ratio1.00

Culet sizeNone

Key to symbols

Feather, Crystal, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2245072899

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: Oct 30

Current: £8,931 GBP|Low: £6,687 GBP|High: £13,703 GBP|Avg: £9,541 GBP|-6.1%

Retailer 1

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With Clarity

October 31, 2026

Retailer 22£6,687 GBP

Retailer 24£6,884 GBP

Retailer 9£7,601 GBP

Retailer 19£7,943 GBP

Retailer 15£7,979 GBP

Retailer 21£8,257 GBP

Retailer 11£8,277 GBP

Retailer 10£8,366 GBP

Retailer 23£8,430 GBP

Retailer 12£8,478 GBP

Retailer 13£8,598 GBP

Retailer 5£8,599 GBP

Retailer 2£8,710 GBP

Retailer 17£8,730 GBP

Retailer 1£8,931 GBP

Retailer 8£9,316 GBP

Retailer 7£9,459 GBP

Retailer 3£9,540 GBP

Retailer 4£9,693 GBP

Retailer 16£9,791 GBP

Retailer 20£10,078 GBP

Retailer 18£11,078 GBP

Retailer 14£11,384 GBP

Retailer 25£12,174 GBP

Retailer 6£12,232 GBP

With Clarity£12,860 GBP

17 data points across 26 retailers

26 retailers£6,687 GBP to £12,860 GBP

Cheapest Retailer

£6,687 GBP

HK$70,000 HKD

B+

Retailer 2

£6,884 GBP

₹878,496 INR

View

B+

Retailer 3

£7,601 GBP

$10,185 USD

View

B+

Retailer 4

£7,943 GBP

View

B+

Retailer 5

£7,979 GBP

$10,691 USD

View

Retailer 6

£8,111 GBP

SGD 14,687 SGD

View

Price last confirmed 19 days ago

B+

Retailer 7

£8,257 GBP

$11,064 USD

View

B+

Retailer 8

£8,277 GBP

SGD 14,987 SGD

View

B+

Retailer 9

£8,366 GBP

$11,210 USD

View

B+

Retailer 10

£8,430 GBP

View

B+

Retailer 11

£8,478 GBP

$11,360 USD

View

B+

Retailer 12

£8,598 GBP

$11,521 USD

View

Final sale: no returns

B+

Retailer 13

£8,599 GBP

$11,522 USD

View

B+

Retailer 14

£8,710 GBP

$11,671 USD

View

Retailer 15

£8,730 GBP

A$17,996 AUD

View

Price last confirmed 7 days ago

B+

Retailer 16

£8,931 GBP

$11,966 USD

View

Retailer 17

£9,316 GBP

$12,482 USD

View

Retailer 18

£9,459 GBP

$12,674 USD

View

Retailer 19

£9,540 GBP

$12,782 USD

View

Retailer 20

£9,693 GBP

€12,369 EUR

View

Retailer 21

£9,791 GBP

$13,119 USD

View

Retailer 22

£10,078 GBP

$13,504 USD

View

Retailer 23

£11,384 GBP

ZAR 246,428 ZAR

View

Retailer 24

£12,174 GBP

$16,312 USD

View

Retailer 25

£12,232 GBP

View

Most Expensive

With Clarity

2245072899 · Oct 30

£12,860 GBP

$17,231 USD

View

25 more retailers have this diamond

Prices start from £6,687 GBPSave up to £6,173 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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