Round|Lab Grown|IGI

20.09ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG793633336

Shape and cutting style on the report: Round brilliant

Certificate IGI LG793633336

Diamond specifications and retailer prices

From €10,165 EUR

£8,942 GBP

As of October 26, 2026

14 retailers carry this diamond

Most expensive: €36,619 EUR at Taylor and Hart · As of October 24, 2026

View at Taylor and Hart

About this 20.09ct lab-grown round diamond

This 20.09ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG793633336 or 793633336. Listed at 14 retailers as of October 24, 2026. 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

20.09

Carat

Color

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG793633336

Dimensions17.59 × 17.46 × 10.50 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

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 LG793633336

Side View

Caratlytics Score

No score right now

No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 26

Current: €10,165 EUR|Low: €10,149 EUR|High: €37,255 EUR|Avg: €16,978 EUR|-3.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Taylor and Hart

October 26, 2026

Retailer 1€10,165 EUR

Retailer 11€10,898 EUR

Retailer 7€11,334 EUR

Retailer 8€11,475 EUR

Retailer 2€11,847 EUR

Retailer 3€12,641 EUR

Retailer 5€12,937 EUR

Retailer 10€13,413 EUR

Retailer 9€13,480 EUR

Retailer 4€13,726 EUR

Retailer 6€14,696 EUR

Retailer 13€23,866 EUR

Retailer 12€24,430 EUR

Taylor and Hart€36,619 EUR

34 data points across 14 retailers

14 retailers€10,165 EUR to €36,619 EUR

Retailer 1

€10,165 EUR

£8,942 GBP

Price last confirmed 7 days ago

Retailer 2

€10,898 EUR

$12,175 USD

View

Price last confirmed 10 days ago

Retailer 3

€11,334 EUR

$12,662 USD

View

Price last confirmed 9 days ago

Retailer 4

€11,475 EUR

$12,820 USD

View

Price last confirmed 8 days ago

Retailer 5

€11,847 EUR

$13,236 USD

View

Price last confirmed 8 days ago

Retailer 6

€12,641 EUR

$14,123 USD

View

Price last confirmed 8 days ago

Retailer 7

€12,937 EUR

$14,453 USD

View

Price last confirmed 20 days ago

Retailer 8

€13,413 EUR

$14,985 USD

View

Price last confirmed 7 days ago

Retailer 9

€13,480 EUR

$15,060 USD

View

Price last confirmed 10 days ago

Retailer 10

€13,726 EUR

$15,335 USD

View

Price last confirmed 6 days ago

Retailer 11

€14,696 EUR

£12,928 GBP

View

Price last confirmed 7 days ago

Retailer 12

€23,866 EUR

A$41,020 AUD

View

Price last confirmed 10 days ago

Retailer 13

€24,430 EUR

$27,293 USD

View

Price last confirmed 7 days ago

Most Expensive

Taylor and Hart

7BH0SDC · Oct 24

€36,619 EUR

$40,911 USD

View

Price last confirmed 8 days ago

13 more retailers have this diamond

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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20.09ct Round

€10,165 EUR