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Round|Lab Grown|IGI

1.42ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG781606331

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781606331

Diamond specifications and retailer prices

From £140 GBP
$187 USD
As of October 29, 2026
Save £720 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £859 GBP at Reve Diamonds · As of October 30, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781606331 or 781606331. Listed at 16 retailers as of October 29, 2026, with prices from £140 to £859, a £720 spread on the same certified stone. Reve Diamonds lists it at £859. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781606331
Dimensions7.35 × 7.38 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.35 mm7.38 mm1.42 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781606331
Side View
Table 62.0%Crown 32.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 58.5%

Caratlytics Score

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A
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: £317 GBP|Low: £123 GBP|High: £910 GBP|Avg: £409 GBP|-5.2%
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
Retailer 14
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Retailer 16
Reve Diamonds
October 30, 2026
Retailer 6£140 GBP
Retailer 4£156 GBP
Retailer 16£162 GBP
Retailer 3£172 GBP
Retailer 13£172 GBP
Retailer 10£297 GBP
Retailer 5£303 GBP
Retailer 1£317 GBP
Retailer 2£363 GBP
Retailer 14£396 GBP
Retailer 11£422 GBP
Retailer 8£484 GBP
Retailer 15£555 GBP
Retailer 12£558 GBP
Retailer 7£596 GBP
Retailer 9£812 GBP
Reve Diamonds£859 GBP

22 data points across 17 retailers

16 retailers£140 GBP to £859 GBP

A
Cheapest Retailer
-
£140 GBP
$187 USD
A
Retailer 2
-
£156 GBP
$209 USD
View
Final sale: no returns
A
Retailer 3
-
£162 GBP
$217 USD
View
A
Retailer 4
-
£172 GBP
$231 USD
View
A
Retailer 5
-
£297 GBP
ZAR 6,421 ZAR
View
B+
Retailer 6
-
£303 GBP
$406 USD
View
A
Retailer 7
-
£317 GBP
View
A
Retailer 8
-
£363 GBP
$486 USD
View
A
Retailer 9
-
£396 GBP
$531 USD
View
A
Retailer 10
-
£422 GBP
A$869 AUD
View
Retailer 11
-
£484 GBP
$648 USD
View
Price last confirmed 95 days ago
B+
Retailer 12
-
£555 GBP
$744 USD
View
B+
Retailer 13
-
£558 GBP
$747 USD
View
B+
Retailer 14
-
£596 GBP
$798 USD
View
B+
Retailer 15
-
£812 GBP
View
Most Expensive
B+
Reve Diamonds
3E0FC8AD4 · Oct 30
£859 GBP
$1,151 USD
View
15 more retailers have this diamond
Prices start from £140 GBPSave up to £720 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
£140 GBP