CaratHunter
Plans
Pear|Lab Grown|IGI

0.51ct I SI1 Pear Lab Grown Diamond

ID • I/SI1 • IGI LG506194318

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG506194318

Diamond specifications and retailer prices

From £204 GBP
$274 USD
As of November 2, 2026
Save £813 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,018 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown pear diamond

This 0.51ct lab-grown pear sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506194318 or 506194318. Listed at 11 retailers as of November 1, 2026, with prices from £204 to £1,018, a £813 spread on the same certified stone. MOH London lists it at £1,018. 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

0.51
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506194318
Dimensions7.19 × 4.51 × 2.82 mm
L/W Ratio1.59
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
7.19 mm4.51 mm0.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506194318
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 62.5%

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: Nov 2
Current: £1,018 GBP|Low: £196 GBP|High: £1,030 GBP|Avg: £485 GBP
MOH London
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
November 1, 2026
Retailer 9£204 GBP
Retailer 3£229 GBP
Retailer 13£237 GBP
Retailer 7£254 GBP
Retailer 10£254 GBP
Retailer 14£254 GBP
Retailer 4£373 GBP
Retailer 12£421 GBP
Retailer 2£472 GBP
Retailer 5£517 GBP
Retailer 8£780 GBP
Retailer 11£816 GBP
MOH London£1,018 GBP
Retailer 6£1,021 GBP

23 data points across 14 retailers

11 retailers£204 GBP to £1,018 GBP

A
Cheapest Retailer
-
£204 GBP
$274 USD
A
Retailer 2
-
£229 GBP
$307 USD
View
Final sale: no returns
A
Retailer 3
-
£237 GBP
$318 USD
View
B+
Retailer 4
-
£254 GBP
$340 USD
View
B+
Retailer 5
-
£254 GBP
$340 USD
View
Retailer 6
-
£254 GBP
$340 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
£421 GBP
$564 USD
View
B
Retailer 8
-
£472 GBP
€602 EUR
View
B
Retailer 9
-
£780 GBP
$1,045 USD
View
B
Retailer 10
-
£816 GBP
$1,094 USD
View
Most Expensive
B
MOH London
LG506194318 · Nov 1
£1,018 GBP
View
10 more retailers have this diamond
Prices start from £204 GBPSave up to £813 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
0.51ct Pear
£204 GBP