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Round|Lab Grown|IGI

1.83ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG787606929

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787606929

Diamond specifications and retailer prices

From £404 GBP
$542 USD
As of November 1, 2026
Save £571 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £975 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.83ct lab-grown round diamond

This 1.83ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787606929 or 787606929. Listed at 5 retailers as of October 26, 2026, with prices from £404 to £975, a £571 spread on the same certified stone. MOH London lists it at £975. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787606929
Dimensions7.87 × 7.84 × 4.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.87 mm7.84 mm1.83 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787606929
Side View
Table 62.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £975 GBP|Low: £385 GBP|High: £985 GBP|Avg: £635 GBP|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 25, 2026
Retailer 2£404 GBP
Retailer 4£473 GBP
Retailer 3£504 GBP
Retailer 5£819 GBP
MOH London£975 GBP

10 data points across 5 retailers

5 retailers£404 GBP to £975 GBP

B+
Cheapest Retailer
-
£404 GBP
$542 USD
A
Retailer 2
-
£473 GBP
$635 USD
View
A
Retailer 3
-
£504 GBP
$676 USD
View
B+
Retailer 4
-
£819 GBP
$1,099 USD
View
Most Expensive
B+
MOH London
LG787606929 · Oct 26
£975 GBP
View
4 more retailers have this diamond
Prices start from £404 GBPSave up to £571 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
1.83ct Round
£404 GBP