Radiant|Lab Grown|IGI

3.17ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG847685237

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

Certificate IGI LG847685237

Diamond specifications and retailer prices

From £508 GBP

$676 USD

As of October 29, 2026

Save £2,211 GBP (81%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £2,718 GBP at Rare Carat · As of October 28, 2026

View at Rare Carat

About this 3.17ct lab-grown radiant diamond

This 3.17ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG847685237 or 847685237. Listed at 17 retailers as of October 28, 2026, with prices from £508 to £2,718, a £2,211 spread on the same certified stone. Rare Carat lists it at £2,718. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.17

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle44.8°

Pavilion angle39°

OriginLab Grown

Grading LabIGI

CertificateIGI LG847685237

Dimensions10.04 × 7.14 × 4.94 mm

L/W Ratio1.41

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG847685237

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 29

Current: £2,718 GBP|Low: £508 GBP|High: £2,718 GBP|Avg: £1,291 GBP

Rare Carat

Retailer 2

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October 30, 2026

Retailer 10£508 GBP

Retailer 7£513 GBP

Retailer 12£563 GBP

Retailer 13£661 GBP

Retailer 5£766 GBP

Retailer 8£838 GBP

Retailer 11£878 GBP

Retailer 16£1,223 GBP

Retailer 9£1,430 GBP

Retailer 6£1,449 GBP

Retailer 3£1,481 GBP

Retailer 17£1,737 GBP

Retailer 15£1,778 GBP

Retailer 2£1,806 GBP

Retailer 4£1,880 GBP

Retailer 14£2,457 GBP

Rare Carat£2,718 GBP

6 data points across 17 retailers

17 retailers£508 GBP to £2,718 GBP

Cheapest Retailer

£508 GBP

$676 USD

Final sale: no returns

Retailer 2

£513 GBP

$683 USD

View

Retailer 3

£563 GBP

$750 USD

View

Retailer 4

£661 GBP

$880 USD

View

Retailer 5

£766 GBP

$1,020 USD

View

Retailer 6

£838 GBP

$1,116 USD

View

Retailer 7

£878 GBP

View

Retailer 8

£1,223 GBP

ZAR 26,305 ZAR

View

B+

Retailer 9

£1,430 GBP

$1,904 USD

View

Retailer 10

£1,449 GBP

$1,930 USD

View

B+

Retailer 11

£1,481 GBP

$1,972 USD

View

B+

Retailer 12

£1,737 GBP

$2,313 USD

View

B+

Retailer 13

£1,778 GBP

SGD 3,199 SGD

View

B+

Retailer 14

£1,806 GBP

$2,406 USD

View

B+

Retailer 15

£1,880 GBP

$2,503 USD

View

Retailer 16

£2,457 GBP

View

Most Expensive

Rare Carat

CN398-12A · Oct 28

£2,718 GBP

$3,620 USD

View

16 more retailers have this diamond

Prices start from £508 GBPSave up to £2,211 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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3.17ct Radiant

£508 GBP