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1.40ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG487198242

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487198242

Diamond specifications and retailer prices

From £1,261 GBP
$1,689 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: £1,261 GBP at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487198242 or 487198242. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.40
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487198242
Dimensions7.17 × 7.13 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 mm7.13 mm1.40 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487198242
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 29
Current: £1,261 GBP|Low: £1,201 GBP|High: £2,077 GBP|Avg: £1,533 GBP|-39.3%
September 23, 2026
B2C Jewels£1,261 GBP

4 data points across 1 retailer

1 retailer

C
B2C Jewels
20033919 · Oct 29
£1,261 GBP
$1,689 USD
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C
1.40ct Round
£1,261 GBP