Round|Lab Grown|IGI

1.16ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG432095841

Shape and cutting style on the report: Round brilliant

Certificate IGI LG432095841

Diamond specifications and retailer prices

From £277 GBP
$371 USD
As of November 1, 2026
Save £519 GBP (65%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £796 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.16ct lab-grown round diamond

This 1.16ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG432095841 or 432095841. Listed at 5 retailers as of November 1, 2026, with prices from £277 to £796, a £519 spread on the same certified stone. MOH London lists it at £796. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.16
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG432095841
Dimensions6.75 × 6.72 × 4.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
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Top View
6.75 mm6.72 mm1.16 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG432095841
Side View
Table 54.5%Crown 35°Girdle: MediumPavilion 40.3°Culet: NoneDepth 61.8%

Caratlytics Score

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

Last verified: Nov 1
Current: £796 GBP|Low: £258 GBP|High: £806 GBP|Avg: £424 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3£277 GBP
Retailer 2£313 GBP
Retailer 5£342 GBP
Retailer 4£395 GBP
MOH London£796 GBP

8 data points across 5 retailers

5 retailers£277 GBP to £796 GBP

A
Cheapest Retailer
-
£277 GBP
$371 USD
Retailer 2
-
£313 GBP
$420 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£342 GBP
$458 USD
View
A
Retailer 4
-
£395 GBP
$529 USD
View
Most Expensive
A
MOH London
LG432095841 · Nov 1
£796 GBP
View
4 more retailers have this diamond
Prices start from £277 GBPSave up to £519 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
1.16ct Round
£277 GBP