Round|Lab Grown|IGI

3.68ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG605341389

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605341389

Diamond specifications and retailer prices

From £383 GBP

$513 USD

As of October 29, 2026

Save £2,655 GBP (87%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: £3,038 GBP at Do Amore Diamonds · As of October 30, 2026

View at Do Amore Diamonds

About this 3.68ct lab-grown round diamond

This 3.68ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605341389 or 605341389. Listed at 13 retailers as of October 29, 2026, with prices from £383 to £3,038, a £2,655 spread on the same certified stone. Do Amore Diamonds lists it at £3,038. 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

3.68

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

Crown angle35.8°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG605341389

Dimensions9.82 × 9.76 × 6.18 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

CertificateIGI LG605341389

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: £3,038 GBP|Low: £274 GBP|High: £3,038 GBP|Avg: £1,229 GBP

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 29, 2026

Retailer 10£383 GBP

Retailer 6£530 GBP

Retailer 4£607 GBP

Retailer 9£665 GBP

Retailer 11£665 GBP

Retailer 5£1,016 GBP

Retailer 7£1,140 GBP

Retailer 8£1,508 GBP

Retailer 3£1,611 GBP

Retailer 12£1,662 GBP

Retailer 2£1,964 GBP

Do Amore Diamonds£3,038 GBP

27 data points across 12 retailers

13 retailers£383 GBP to £3,038 GBP

Cheapest Retailer

£383 GBP

$513 USD

Final sale: no returns

Retailer 2

£424 GBP

$568 USD

View

Price last confirmed 28 days ago

Retailer 3

£530 GBP

$710 USD

View

B+

Retailer 4

£665 GBP

$891 USD

View

Retailer 5

£665 GBP

$891 USD

View

B+

Retailer 6

£1,016 GBP

ZAR 21,992 ZAR

View

B+

Retailer 7

£1,140 GBP

$1,527 USD

View

Retailer 8

£1,231 GBP

$1,649 USD

View

Price last confirmed 23 days ago

Retailer 9

£1,508 GBP

$2,020 USD

View

Price last confirmed 26 days ago

Retailer 10

£1,611 GBP

$2,158 USD

View

Retailer 11

£1,662 GBP

$2,227 USD

View

Retailer 12

£1,964 GBP

View

Most Expensive

Do Amore Diamonds

27-FDF567DE1 · Oct 30

£3,038 GBP

$4,070 USD

View

12 more retailers have this diamond

Prices start from £383 GBPSave up to £2,655 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.

Similar diamonds

3.68ct Round

£383 GBP