Cushion|Lab Grown|IGI

1.71ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG723548274

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG723548274

Diamond specifications and retailer prices

From £213 GBP

$286 USD

As of November 1, 2026

Save £1,473 GBP (87%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £1,687 GBP at Brilliant Earth · As of November 1, 2026

View at Brilliant Earth

About this 1.71ct lab-grown cushion diamond

This 1.71ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG723548274 or 723548274. Listed at 17 retailers as of November 1, 2026, with prices from £213 to £1,687, a £1,473 spread on the same certified stone. Brilliant Earth lists it at £1,687. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle39.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG723548274

Dimensions7.02 × 6.85 × 4.58 mm

L/W Ratio1.02

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG723548274

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: £1,687 GBP|Low: £204 GBP|High: £1,911 GBP|Avg: £644 GBP|-7.4%

Brilliant Earth

Retailer 2

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November 2, 2026

Retailer 7£213 GBP

Retailer 3£236 GBP

Retailer 15£264 GBP

Retailer 16£366 GBP

Retailer 8£394 GBP

Retailer 12£399 GBP

Retailer 10£408 GBP

Retailer 2£450 GBP

Retailer 5£486 GBP

Retailer 17£495 GBP

Retailer 13£551 GBP

Retailer 6£798 GBP

Retailer 4£929 GBP

Retailer 11£946 GBP

Retailer 14£1,008 GBP

Retailer 9£1,022 GBP

Brilliant Earth£1,687 GBP

39 data points across 17 retailers

17 retailers£213 GBP to £1,687 GBP

Cheapest Retailer

£213 GBP

$286 USD

Final sale: no returns

Retailer 2

£236 GBP

$316 USD

View

Price last confirmed 20 days ago

Retailer 3

£264 GBP

View

Price last confirmed 16 days ago

Retailer 4

£366 GBP

$490 USD

View

Retailer 5

£394 GBP

$528 USD

View

Retailer 6

£399 GBP

€509 EUR

View

Retailer 7

£408 GBP

ZAR 8,827 ZAR

View

Retailer 8

£450 GBP

View

Retailer 9

£486 GBP

$651 USD

View

Retailer 10

£495 GBP

$663 USD

View

Retailer 11

£551 GBP

A$1,135 AUD

View

B+

Retailer 12

£798 GBP

$1,069 USD

View

Retailer 13

£929 GBP

$1,245 USD

View

Retailer 14

£946 GBP

View

Retailer 15

£1,008 GBP

$1,350 USD

View

Price last confirmed 11 days ago

Retailer 16

£1,022 GBP

$1,370 USD

View

Most Expensive

Brilliant Earth

15672814A · Nov 1

£1,687 GBP

$2,260 USD

View

16 more retailers have this diamond

Prices start from £213 GBPSave up to £1,473 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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