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Pear|Lab Grown|IGI

0.51ct D SI2 Pear Lab Grown Diamond

ID • D/SI2 • IGI LG407923400

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG407923400

Diamond specifications and retailer prices

From £236 GBP
€299 EUR
As of October 23, 2026
Save £65 GBP (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £300 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 0.51ct lab-grown pear diamond

This 0.51ct lab-grown pear sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407923400 or 407923400. Listed at 2 retailers as of October 23, 2026, with prices from £236 to £300, a £65 spread on the same certified stone. Brilliant Earth lists it at £300. 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
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407923400
Dimensions7.00 × 4.49 × 2.66 mm
L/W Ratio1.56
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.00 mm4.49 mm0.51 ctD / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407923400
Side View
Table 58.5%Crown 33.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 23
Current: £300 GBP|Low: £167 GBP|High: £300 GBP|Avg: £233 GBP|+2.6%
Brilliant Earth
Retailer 2
Retailer 3
October 23, 2026
Retailer 3£167 GBP
Retailer 2£236 GBP
Brilliant Earth£300 GBP

3 data points across 3 retailers

2 retailers£236 GBP to £300 GBP

B+
Cheapest Retailer
-
£236 GBP
€299 EUR
Most Expensive
B
Brilliant Earth
20918295A · Oct 29
£300 GBP
$400 USD
View
1 more retailer has this diamond
Prices start from £236 GBPSave up to £65 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+
0.51ct Pear
£236 GBP