CaratHunter
Plans
Pear|Lab Grown|IGI

3.71ct F SI1 Pear Lab Grown Diamond

ID • F/SI1 • IGI LG627420891

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG627420891

Diamond specifications and retailer prices

From £352 GBP
$472 USD
As of October 30, 2026
Save £2,051 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,403 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.71ct lab-grown pear diamond

This 3.71ct 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 LG627420891 or 627420891. Listed at 17 retailers as of October 30, 2026, with prices from £352 to £2,403, a £2,051 spread on the same certified stone. Brilliant Earth lists it at £2,403. 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

3.71
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627420891
Dimensions13.78 × 8.70 × 5.47 mm
L/W Ratio1.58
Girdle conditionFaceted
Culet sizePointed
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
13.78 mm8.70 mm3.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627420891
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,403 GBP|Low: £289 GBP|High: £4,075 GBP|Avg: £1,073 GBP|-41.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 17£352 GBP
Retailer 13£395 GBP
Retailer 4£437 GBP
Retailer 6£437 GBP
Retailer 16£538 GBP
Retailer 5£612 GBP
Retailer 11£630 GBP
Retailer 9£683 GBP
Retailer 10£725 GBP
Retailer 7£734 GBP
Retailer 8£1,070 GBP
Retailer 14£1,175 GBP
Retailer 3£1,405 GBP
Retailer 2£1,606 GBP
Retailer 15£1,944 GBP
Retailer 12£2,211 GBP
Brilliant Earth£2,403 GBP

37 data points across 17 retailers

17 retailers£352 GBP to £2,403 GBP

A
Cheapest Retailer
-
£352 GBP
$472 USD
A
Retailer 2
-
£395 GBP
$529 USD
View
A
Retailer 3
-
£437 GBP
$586 USD
View
Retailer 4
-
£437 GBP
$586 USD
View
Price last confirmed 16 days ago
Retailer 5
-
£538 GBP
View
Price last confirmed 15 days ago
B+
Retailer 6
-
£612 GBP
$820 USD
View
A
Retailer 7
-
£630 GBP
€804 EUR
View
B+
Retailer 8
-
£683 GBP
$915 USD
View
A
Retailer 9
-
£725 GBP
View
A
Retailer 10
-
£734 GBP
$984 USD
View
B+
Retailer 11
-
£1,070 GBP
$1,434 USD
View
B+
Retailer 12
-
£1,175 GBP
$1,575 USD
View
B
Retailer 13
-
£1,405 GBP
$1,883 USD
View
B+
Retailer 14
-
£1,606 GBP
View
B
Retailer 15
-
£1,944 GBP
$2,605 USD
View
B
Retailer 16
-
£2,211 GBP
$2,963 USD
View
Most Expensive
B
Brilliant Earth
9814747A · Oct 31
£2,403 GBP
$3,220 USD
View
16 more retailers have this diamond
Prices start from £352 GBPSave up to £2,051 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
3.71ct Pear
£352 GBP