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Pear|Lab Grown|IGI

1.51ct G SI1 Pear Lab Grown Diamond

ID • G/SI1 • IGI LG508156220

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG508156220

Diamond specifications and retailer prices

From £1,161 GBP
$1,555 USD
As of October 30, 2026
Save £1,363 GBP (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,844 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown pear diamond

This 1.51ct lab-grown pear sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156220 or 508156220. Listed at 11 retailers as of October 30, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156220
Dimensions10.00 × 6.25 × 4.04 mm
L/W Ratio1.60
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
10.00 mm6.25 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156220
Side View
Table 58.0%Crown 37.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,844 GBP|Low: £1,114 GBP|High: £3,897 GBP|Avg: £1,948 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4£1,161 GBP
Retailer 5£1,239 GBP
Retailer 6£1,346 GBP
Retailer 8£1,474 GBP
Retailer 2£1,891 GBP
Retailer 7£2,119 GBP
Retailer 3£2,381 GBP
MOH London£3,844 GBP

40 data points across 8 retailers

11 retailers£1,161 GBP to £2,523 GBP

B
Cheapest Retailer
-
£1,161 GBP
$1,555 USD
B
Retailer 2
-
£1,239 GBP
$1,660 USD
View
B
Retailer 3
-
£1,263 GBP
$1,692 USD
View
B
Retailer 4
-
£1,346 GBP
$1,804 USD
View
Retailer 5
-
£1,346 GBP
$1,804 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
£1,474 GBP
$1,975 USD
View
B
Retailer 7
-
£1,891 GBP
View
B
Retailer 8
-
£2,119 GBP
$2,839 USD
View
B
Retailer 9
-
£2,381 GBP
$3,190 USD
View
B
Retailer 10
-
£2,523 GBP
$3,381 USD
View
Most Expensive
MOH London
LG508156220 · Nov 1
£3,844 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £1,161 GBPSave up to £1,363 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.

B
1.51ct Pear
£1,161 GBP