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Pear|Lab Grown|IGI

3.75ct F SI1 Pear Lab Grown Diamond

ID • F/SI1 • IGI LG621450153

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG621450153

Diamond specifications and retailer prices

From £333 GBP
$446 USD
As of October 27, 2026
Save £3,757 GBP (92%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,090 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.75ct lab-grown pear diamond

This 3.75ct lab-grown pear 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 LG621450153 or 621450153. Listed at 10 retailers as of October 26, 2026, with prices from £333 to £4,090, a £3,757 spread on the same certified stone. Brilliant Earth lists it at £4,090. 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

3.75
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621450153
Dimensions14.31 × 8.75 × 5.25 mm
L/W Ratio1.64
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.31 mm8.75 mm3.75 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621450153
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.0%

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 27
Current: £4,090 GBP|Low: £333 GBP|High: £4,217 GBP|Avg: £1,481 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 10£333 GBP
Retailer 7£372 GBP
Retailer 3£561 GBP
Retailer 8£648 GBP
Retailer 2£649 GBP
Retailer 4£807 GBP
Retailer 6£1,109 GBP
Retailer 12£1,198 GBP
Retailer 11£1,199 GBP
Retailer 5£1,904 GBP
Retailer 9£2,955 GBP
Brilliant Earth£4,090 GBP

20 data points across 12 retailers

10 retailers£333 GBP to £4,090 GBP

A
Cheapest Retailer
-
£333 GBP
$446 USD
A
Retailer 2
-
£372 GBP
$499 USD
View
B+
Retailer 3
-
£648 GBP
$868 USD
View
A
Retailer 4
-
£649 GBP
$870 USD
View
B+
Retailer 5
-
£1,109 GBP
$1,486 USD
View
B+
Retailer 6
-
£1,198 GBP
$1,605 USD
View
B+
Retailer 7
-
£1,199 GBP
$1,607 USD
View
B
Retailer 8
-
£1,904 GBP
View
B
Retailer 9
-
£2,955 GBP
$3,960 USD
View
Most Expensive
B
Brilliant Earth
9337385Y · Oct 26
£4,090 GBP
$5,480 USD
View
9 more retailers have this diamond
Prices start from £333 GBPSave up to £3,757 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
3.75ct Pear
£333 GBP