Radiant|Lab Grown|IGI

3.11ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG821651359

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

Certificate IGI LG821651359

Diamond specifications and retailer prices

From €819 EUR

$915 USD

As of October 29, 2026

Save €4,488 EUR (85%) vs most expensive(unlock to see where)

9 retailers carry this diamond

Most expensive: €5,307 EUR at Frank Darling · As of October 29, 2026

View at Frank Darling

About this 3.11ct lab-grown radiant diamond

This 3.11ct 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 LG821651359 or 821651359. Listed at 9 retailers as of October 29, 2026, with prices from €819 to €5,307, a €4,488 spread on the same certified stone. Frank Darling lists it at €5,307. 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

3.11

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.7°

Pavilion angle34.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821651359

Dimensions10.93 × 6.93 × 4.55 mm

L/W Ratio1.58

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 LG821651359

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: €5,307 EUR|Low: €415 EUR|High: €5,307 EUR|Avg: €1,793 EUR

Frank Darling

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October 31, 2026

Retailer 8€577 EUR

Retailer 14€819 EUR

Retailer 19€930 EUR

Retailer 16€936 EUR

Retailer 6€989 EUR

Retailer 11€1,365 EUR

Retailer 2€1,651 EUR

Retailer 20€1,674 EUR

Retailer 13€1,692 EUR

Retailer 17€1,764 EUR

Retailer 12€1,869 EUR

Retailer 5€2,065 EUR

Retailer 10€2,075 EUR

Retailer 9€2,286 EUR

Retailer 3€2,520 EUR

Retailer 4€2,573 EUR

Retailer 7€2,782 EUR

Retailer 18€3,258 EUR

Retailer 15€5,066 EUR

Frank Darling€5,307 EUR

22 data points across 20 retailers

9 retailers€819 EUR to €5,307 EUR

Cheapest Retailer

€819 EUR

$915 USD

Retailer 2

€936 EUR

$1,046 USD

View

B+

Retailer 3

€1,651 EUR

A$2,837 AUD

View

B+

Retailer 4

€1,692 EUR

$1,890 USD

View

B+

Retailer 5

€1,764 EUR

$1,971 USD

View

Retailer 6

€2,573 EUR

A$4,422 AUD

View

Price last confirmed 32 days ago

Retailer 7

€3,258 EUR

$3,640 USD

View

Price last confirmed 25 days ago

Retailer 8

€5,066 EUR

$5,660 USD

View

Most Expensive

Frank Darling

934535BD · Oct 29

€5,307 EUR

$5,929 USD

View

8 more retailers have this diamond

Prices start from €819 EURSave up to €4,488 EUR

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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