Radiant|Lab Grown|IGI

3.11ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG815648781

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

Certificate IGI LG815648781

Diamond specifications and retailer prices

From $622 USD

As of October 29, 2026

Save $2,988 USD (83%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $3,610 USD at Rare Carat · As of October 28, 2026

View at Rare Carat

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 LG815648781 or 815648781. Listed at 16 retailers as of October 28, 2026, with prices from $622 to $3,610, a $2,988 spread on the same certified stone. Rare Carat lists it at $3,610. 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

Color

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.6°

Pavilion angle31.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG815648781

Dimensions11.31 × 6.99 × 4.40 mm

L/W Ratio1.62

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 LG815648781

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: Oct 29

Current: $3,610 USD|Low: $622 USD|High: $3,610 USD|Avg: $1,662 USD

Rare Carat

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 14

Retailer 15

October 30, 2026

Retailer 14$622 USD

Retailer 15$825 USD

Retailer 4$928 USD

Retailer 7$1,013 USD

Retailer 5$1,047 USD

Retailer 9$1,075 USD

Retailer 2$1,450 USD

Retailer 12$1,498 USD

Retailer 6$1,787 USD

Retailer 10$1,845 USD

Retailer 8$2,169 USD

Retailer 13$2,220 USD

Retailer 11$2,227 USD

Retailer 3$3,010 USD

Rare Carat$3,610 USD

21 data points across 15 retailers

16 retailers$622 USD to $3,610 USD

Cheapest Retailer

$622 USD

Final sale: no returns

Retailer 2

$825 USD

View

B+

Retailer 3

$928 USD

View

Retailer 4

$1,013 USD

€965 EUR

View

Retailer 5

$1,047 USD

View

Retailer 6

$1,075 USD

£847 GBP

View

Retailer 7

$1,450 USD

A$2,231 AUD

View

Retailer 8

$1,498 USD

ZAR 24,196 ZAR

View

Retailer 9

$1,787 USD

View

Retailer 10

$1,845 USD

View

B+

Retailer 11

$2,169 USD

SGD 2,931 SGD

View

B+

Retailer 12

$2,220 USD

View

B+

Retailer 13

$2,227 USD

View

Retailer 14

$2,910 USD

A$4,477 AUD

View

Price last confirmed 21 days ago

B+

Retailer 15

$3,010 USD

£2,370 GBP

View

Most Expensive

Rare Carat

CN212-34A · Oct 28

$3,610 USD

View

15 more retailers have this diamond

Prices start from $622 USDSave up to $2,988 USD

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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