Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG668432686

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG668432686

Diamond specifications and retailer prices

From £196 GBP

$263 USD

As of November 2, 2026

Save £853 GBP (81%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: £1,049 GBP at Diamond Quarter · As of November 2, 2026

View at Diamond Quarter

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG668432686 or 668432686. Listed at 29 retailers as of November 2, 2026, with prices from £196 to £1,049, a £853 spread on the same certified stone. Diamond Quarter lists it at £1,049. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.2°

Pavilion angle33.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG668432686

Dimensions5.85 × 5.85 × 3.79 mm

L/W Ratio1.00

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG668432686

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 2

Current: £569 GBP|Low: £196 GBP|High: £1,039 GBP|Avg: £601 GBP|-0.5%

Retailer 1

Retailer 2

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Retailer 20

November 3, 2026

Retailer 2£196 GBP

Retailer 17£219 GBP

Retailer 9£286 GBP

Retailer 3£343 GBP

Retailer 18£362 GBP

Retailer 16£402 GBP

Retailer 14£419 GBP

Retailer 7£440 GBP

Retailer 12£465 GBP

Retailer 5£528 GBP

Retailer 8£539 GBP

Retailer 1£569 GBP

Retailer 20£746 GBP

Retailer 13£796 GBP

Retailer 10£819 GBP

Retailer 11£819 GBP

Retailer 6£956 GBP

Retailer 15£974 GBP

Retailer 19£981 GBP

Retailer 4£1,039 GBP

37 data points across 20 retailers

29 retailers£196 GBP to £1,049 GBP

Cheapest Retailer

£196 GBP

$263 USD

Retailer 2

£196 GBP

$263 USD

View

Price last confirmed 26 days ago

Retailer 3

£203 GBP

$272 USD

View

Price last confirmed 34 days ago

Retailer 4

£219 GBP

$294 USD

View

Final sale: no returns

Retailer 5

£236 GBP

$316 USD

View

Price last confirmed 37 days ago

Retailer 6

£243 GBP

$326 USD

View

Price last confirmed 31 days ago

Retailer 7

£248 GBP

$333 USD

View

Price last confirmed 35 days ago

Retailer 8

£286 GBP

HK$3,000 HKD

View

B+

Retailer 9

£343 GBP

$460 USD

View

Retailer 10

£362 GBP

$485 USD

View

Retailer 11

£402 GBP

€514 EUR

View

Retailer 12

£419 GBP

ZAR 9,076 ZAR

View

Retailer 13

£440 GBP

$590 USD

View

Retailer 14

£465 GBP

View

B+

Retailer 15

£528 GBP

$708 USD

View

B+

Retailer 16

£539 GBP

$723 USD

View

B+

Retailer 17

£569 GBP

A$1,173 AUD

View

B+

Retailer 18

£746 GBP

$1,001 USD

View

B+

Retailer 19

£781 GBP

$1,047 USD

View

Retailer 20

£781 GBP

$1,047 USD

View

Price last confirmed 24 days ago

B+

Retailer 21

£796 GBP

$1,067 USD

View

Retailer 22

£808 GBP

$1,084 USD

View

Price last confirmed 33 days ago

B+

Retailer 23

£819 GBP

$1,099 USD

View

B+

Retailer 24

£819 GBP

SGD 1,485 SGD

View

Retailer 25

£956 GBP

$1,282 USD

View

Retailer 26

£974 GBP

View

Retailer 27

£981 GBP

A$2,024 AUD

View

Retailer 28

£1,039 GBP

$1,394 USD

View

Most Expensive

Diamond Quarter

1.55VVS1DLG8620E4N · Nov 2

£1,049 GBP

View

28 more retailers have this diamond

Prices start from £196 GBPSave up to £853 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.

Where to buy this spec

See every retailer carrying 1.55ct D VVS1 radiant lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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