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Round|Lab Grown|IGI

1.42ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG660426034

Shape and cutting style on the report: Round brilliant

Certificate IGI LG660426034

Diamond specifications and retailer prices

From £163 GBP
$217 USD
As of October 29, 2026
Save £775 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £938 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.42ct lab-grown round diamond

This 1.42ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG660426034 or 660426034. Listed at 21 retailers as of October 28, 2026, with prices from £163 to £938, a £775 spread on the same certified stone. Reve Diamonds lists it at £938. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660426034
Dimensions7.17 × 7.21 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.17 mm7.21 mm1.42 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660426034
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.9%

Caratlytics Score

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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: Oct 29
Current: £374 GBP|Low: £157 GBP|High: £821 GBP|Avg: £391 GBP|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10£163 GBP
Retailer 2£203 GBP
Retailer 11£276 GBP
Retailer 6£340 GBP
Retailer 4£344 GBP
Retailer 7£348 GBP
Retailer 1£374 GBP
Retailer 3£390 GBP
Retailer 8£494 GBP
Retailer 9£653 GBP
Retailer 5£815 GBP

37 data points across 11 retailers

21 retailers£163 GBP to £938 GBP

A
Cheapest Retailer
-
£163 GBP
$217 USD
A
Retailer 2
-
£182 GBP
$242 USD
View
Final sale: no returns
A
Retailer 3
-
£189 GBP
$252 USD
View
A
Retailer 4
-
£203 GBP
$270 USD
View
A
Retailer 5
-
£203 GBP
$270 USD
View
A
Retailer 6
-
£231 GBP
HK$2,400 HKD
View
B+
Retailer 7
-
£276 GBP
$368 USD
View
A
Retailer 8
-
£340 GBP
View
A
Retailer 9
-
£344 GBP
€436 EUR
View
A
Retailer 10
-
£348 GBP
ZAR 7,480 ZAR
View
B+
Retailer 11
-
£374 GBP
View
B+
Retailer 12
-
£390 GBP
$520 USD
View
B+
Retailer 13
-
£394 GBP
$525 USD
View
B+
Retailer 14
-
£494 GBP
A$1,013 AUD
View
Retailer 15
-
£538 GBP
$716 USD
View
Price last confirmed 74 days ago
B
Retailer 16
-
£650 GBP
$866 USD
View
B
Retailer 17
-
£653 GBP
$869 USD
View
B
Retailer 18
-
£655 GBP
SGD 1,179 SGD
View
B
Retailer 19
-
£690 GBP
$919 USD
View
B
Retailer 20
-
£815 GBP
View
Most Expensive
B
Reve Diamonds
65AEAE5F1 · Oct 28
£938 GBP
$1,249 USD
View
20 more retailers have this diamond
Prices start from £163 GBPSave up to £775 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
1.42ct Round
£163 GBP