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Round|Lab Grown|IGI

1.43ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG818686408

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686408

Diamond specifications and retailer prices

From £174 GBP
$233 USD
As of October 29, 2026
Save £695 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £869 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.43ct lab-grown round diamond

This 1.43ct 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 LG818686408 or 818686408. Listed at 17 retailers as of October 29, 2026, with prices from £174 to £869, a £695 spread on the same certified stone. MOH London lists it at £869. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686408
Dimensions7.27 × 7.23 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm7.23 mm1.43 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686408
Side View
Table 57.0%Crown 33.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.6%

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: £869 GBP|Low: £167 GBP|High: £875 GBP|Avg: £519 GBP|+0.5%
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
October 31, 2026
Retailer 11£174 GBP
Retailer 12£364 GBP
Retailer 7£371 GBP
Retailer 2£389 GBP
Retailer 6£396 GBP
Retailer 13£413 GBP
Retailer 3£478 GBP
Retailer 8£526 GBP
Retailer 10£567 GBP
Retailer 9£605 GBP
Retailer 5£733 GBP
Retailer 4£794 GBP
MOH London£869 GBP

33 data points across 13 retailers

17 retailers£174 GBP to £869 GBP

A
Cheapest Retailer
-
£174 GBP
$233 USD
A
Retailer 2
-
£202 GBP
$270 USD
View
A
Retailer 3
-
£216 GBP
$289 USD
View
A
Retailer 4
-
£216 GBP
$289 USD
View
A
Retailer 5
-
£364 GBP
$488 USD
View
A
Retailer 6
-
£371 GBP
ZAR 8,023 ZAR
View
A
Retailer 7
-
£389 GBP
€497 EUR
View
A
Retailer 8
-
£396 GBP
View
A
Retailer 9
-
£413 GBP
$554 USD
View
Retailer 10
-
£478 GBP
$640 USD
View
Price last confirmed 33 days ago
A
Retailer 11
-
£526 GBP
A$1,085 AUD
View
B+
Retailer 12
-
£567 GBP
$760 USD
View
B+
Retailer 13
-
£605 GBP
$810 USD
View
B+
Retailer 14
-
£693 GBP
$929 USD
View
B+
Retailer 15
-
£733 GBP
$981 USD
View
B+
Retailer 16
-
£811 GBP
$1,086 USD
View
Most Expensive
B+
MOH London
LG818686408 · Oct 29
£869 GBP
View
16 more retailers have this diamond
Prices start from £174 GBPSave up to £695 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
1.43ct Round
£174 GBP