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Round|Lab Grown|IGI

3.76ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG839637116

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839637116

Diamond specifications and retailer prices

From £285 GBP
$382 USD
As of November 1, 2026
Save £1,103 GBP (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,387 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.76ct lab-grown round diamond

This 3.76ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839637116 or 839637116. Listed at 9 retailers as of October 29, 2026, with prices from £285 to £1,387, a £1,103 spread on the same certified stone. MOH London lists it at £1,387. 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

3.76
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839637116
Dimensions10.06 × 10.11 × 6.03 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
10.06 mm10.11 mm3.76 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839637116
Side View
Table 62.0%Crown 32.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 59.8%

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: Nov 1
Current: £1,387 GBP|Low: £284 GBP|High: £1,451 GBP|Avg: £747 GBP|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9£285 GBP
Retailer 6£319 GBP
Retailer 2£491 GBP
Retailer 3£564 GBP
Retailer 7£658 GBP
Retailer 5£990 GBP
Retailer 4£991 GBP
Retailer 8£1,135 GBP
MOH London£1,387 GBP

31 data points across 9 retailers

9 retailers£285 GBP to £1,387 GBP

A
Cheapest Retailer
-
£285 GBP
$382 USD
A
Retailer 2
-
£319 GBP
$428 USD
View
A
Retailer 3
-
£491 GBP
View
A
Retailer 4
-
£564 GBP
€721 EUR
View
A
Retailer 5
-
£658 GBP
$883 USD
View
B+
Retailer 6
-
£990 GBP
$1,329 USD
View
B+
Retailer 7
-
£991 GBP
$1,330 USD
View
B+
Retailer 8
-
£1,135 GBP
$1,523 USD
View
Most Expensive
B+
MOH London
LG839637116 · Oct 29
£1,387 GBP
View
8 more retailers have this diamond
Prices start from £285 GBPSave up to £1,103 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
3.76ct Round
£285 GBP