Marquise|Lab Grown|IGI

0.85ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG812621720

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812621720

Diamond specifications and retailer prices

From £302 GBP

As of November 1, 2026

Save £659 GBP (69%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £962 GBP at Reve Diamonds · As of November 1, 2026

View at Reve Diamonds

About this 0.85ct lab-grown marquise diamond

This 0.85ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621720 or 812621720. Listed at 19 retailers as of November 1, 2026, with prices from £302 to £962, a £659 spread on the same certified stone. Reve Diamonds lists it at £962. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.85

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.5°

Pavilion angle39.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812621720

Dimensions9.84 × 4.97 × 3.02 mm

L/W Ratio1.98

Girdle conditionFaceted

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 LG812621720

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: £400 GBP|Low: £116 GBP|High: £962 GBP|Avg: £452 GBP|+3.8%

Retailer 1

Retailer 2

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Reve Diamonds

November 2, 2026

Retailer 8£116 GBP

Retailer 16£173 GBP

Retailer 4£193 GBP

Retailer 15£193 GBP

Retailer 2£214 GBP

Retailer 5£302 GBP

Retailer 14£356 GBP

Retailer 9£388 GBP

Retailer 1£400 GBP

Retailer 6£410 GBP

Retailer 3£465 GBP

Retailer 13£533 GBP

Retailer 11£556 GBP

Retailer 12£667 GBP

Retailer 7£725 GBP

Retailer 10£856 GBP

Reve Diamonds£962 GBP

27 data points across 17 retailers

19 retailers£302 GBP to £962 GBP

Retailer 1

£173 GBP

Price last confirmed 28 days ago

Retailer 2

£193 GBP

View

Price last confirmed 18 days ago

Retailer 3

£214 GBP

View

Price last confirmed 33 days ago

Retailer 4

£214 GBP

View

Price last confirmed 24 days ago

Retailer 5

£230 GBP

View

Price last confirmed 22 days ago

Retailer 6

£302 GBP

View

Retailer 7

£356 GBP

View

Price last confirmed 8 days ago

Retailer 8

£356 GBP

View

Price last confirmed 11 days ago

Retailer 9

£388 GBP

View

Retailer 10

£400 GBP

View

Retailer 11

£410 GBP

View

Retailer 12

£465 GBP

View

Price last confirmed 12 days ago

Retailer 13

£533 GBP

View

Price last confirmed 9 days ago

B+

Retailer 14

£556 GBP

View

B+

Retailer 15

£667 GBP

View

Retailer 16

£687 GBP

View

Price last confirmed 36 days ago

B+

Retailer 17

£725 GBP

View

B+

Retailer 18

£856 GBP

View

Most Expensive

Reve Diamonds

066EBC100 · Nov 1

£962 GBP

$1,298 USD

View

18 more retailers have this diamond

Prices start from £302 GBPSave up to £659 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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