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Round|Lab Grown|IGI

0.66ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG492136315

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136315

Diamond specifications and retailer prices

From £303 GBP
$407 USD
As of November 1, 2026
Save £1,166 GBP (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,469 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.66ct lab-grown round diamond

This 0.66ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492136315 or 492136315. Listed at 12 retailers as of November 1, 2026, with prices from £303 to £1,469, a £1,166 spread on the same certified stone. MOH London lists it at £1,469. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136315
Dimensions5.61 × 5.64 × 3.40 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
Top View
5.61 mm5.64 mm0.66 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136315
Side View
Table 55.5%Crown 32.2°Girdle: MediumPavilion 40.3°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
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: Nov 1
Current: £1,469 GBP|Low: £242 GBP|High: £1,486 GBP|Avg: £622 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 11£303 GBP
Retailer 12£328 GBP
Retailer 4£340 GBP
Retailer 16£340 GBP
Retailer 13£376 GBP
Retailer 15£376 GBP
Retailer 6£410 GBP
Retailer 5£545 GBP
Retailer 14£594 GBP
Retailer 9£641 GBP
Retailer 7£662 GBP
Retailer 2£682 GBP
Retailer 8£787 GBP
Retailer 10£1,054 GBP
Retailer 3£1,208 GBP
MOH London£1,469 GBP

25 data points across 16 retailers

12 retailers£303 GBP to £1,469 GBP

A
Cheapest Retailer
-
£303 GBP
$407 USD
A
Retailer 2
-
£328 GBP
$440 USD
View
A
Retailer 3
-
£340 GBP
$456 USD
View
A
Retailer 4
-
£340 GBP
$456 USD
View
Final sale: no returns
Retailer 5
-
£376 GBP
$504 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£376 GBP
$504 USD
View
B+
Retailer 7
-
£594 GBP
$797 USD
View
B+
Retailer 8
-
£641 GBP
€819 EUR
View
B+
Retailer 9
-
£682 GBP
ZAR 14,790 ZAR
View
B
Retailer 10
-
£1,054 GBP
$1,415 USD
View
B
Retailer 11
-
£1,208 GBP
$1,621 USD
View
Most Expensive
B
MOH London
LG492136315 · Nov 1
£1,469 GBP
View
11 more retailers have this diamond
Prices start from £303 GBPSave up to £1,166 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.

A
0.66ct Round
£303 GBP