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Pear|Lab Grown|IGI

1.71ct I SI1 Pear Lab Grown Diamond

ID • I/SI1 • IGI LG436045247

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG436045247

Diamond specifications and retailer prices

From £731 GBP
$980 USD
As of October 30, 2026
Save £2,931 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,662 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct lab-grown pear diamond

This 1.71ct lab-grown pear sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045247 or 436045247. Listed at 11 retailers as of October 29, 2026, with prices from £731 to £3,662, a £2,931 spread on the same certified stone. MOH London lists it at £3,662. 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

1.71
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045247
Dimensions10.23 × 6.72 × 4.11 mm
L/W Ratio1.52
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.23 mm6.72 mm1.71 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045247
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.2%

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: £3,662 GBP|Low: £731 GBP|High: £3,692 GBP|Avg: £1,924 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2£731 GBP
Retailer 5£1,099 GBP
Retailer 8£1,231 GBP
Retailer 6£1,275 GBP
Retailer 9£1,403 GBP
Retailer 4£1,483 GBP
Retailer 3£1,730 GBP
Retailer 11£1,736 GBP
Retailer 7£2,011 GBP
Retailer 10£2,315 GBP
Retailer 12£3,652 GBP
MOH London£3,662 GBP

14 data points across 12 retailers

11 retailers£731 GBP to £3,662 GBP

A
Cheapest Retailer
-
£731 GBP
$980 USD
B+
Retailer 2
-
£1,099 GBP
$1,473 USD
View
B+
Retailer 3
-
£1,196 GBP
$1,603 USD
View
B+
Retailer 4
-
£1,231 GBP
$1,649 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,275 GBP
$1,709 USD
View
Retailer 6
-
£1,275 GBP
$1,709 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£1,403 GBP
$1,880 USD
View
B
Retailer 8
-
£2,011 GBP
$2,695 USD
View
B
Retailer 9
-
£2,315 GBP
$3,102 USD
View
B
Retailer 10
-
£2,390 GBP
$3,203 USD
View
Most Expensive
B
MOH London
LG436045247 · Oct 29
£3,662 GBP
View
10 more retailers have this diamond
Prices start from £731 GBPSave up to £2,931 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
1.71ct Pear
£731 GBP