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Pear|Lab Grown|IGI

1.51ct D SI1 Pear Lab Grown Diamond

EX • D/SI1 • IGI LG647402948

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG647402948

Diamond specifications and retailer prices

From £310 GBP
€396 EUR
As of October 31, 2026
Save £623 GBP (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £933 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG647402948 or 647402948. Listed at 12 retailers as of October 29, 2026, with prices from £310 to £933, a £623 spread on the same certified stone. Brilliant Earth lists it at £933. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647402948
Dimensions10.23 × 6.48 × 4.03 mm
L/W Ratio1.58
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.23 mm6.48 mm1.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647402948
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £933 GBP|Low: £178 GBP|High: £963 GBP|Avg: £487 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3£178 GBP
Retailer 8£224 GBP
Retailer 2£310 GBP
Retailer 11£343 GBP
Retailer 10£372 GBP
Retailer 4£372 GBP
Retailer 9£446 GBP
Retailer 6£647 GBP
Retailer 7£754 GBP
Retailer 5£809 GBP
Brilliant Earth£933 GBP

36 data points across 11 retailers

12 retailers£310 GBP to £933 GBP

Retailer 1
-
£166 GBP
$223 USD
Price last confirmed 34 days ago
Retailer 2
-
£175 GBP
$235 USD
View
Price last confirmed 34 days ago
Retailer 3
-
£224 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
£310 GBP
€396 EUR
View
B+
Retailer 5
-
£343 GBP
$459 USD
View
B+
Retailer 6
-
£372 GBP
$498 USD
View
B+
Retailer 7
-
£372 GBP
View
B
Retailer 8
-
£446 GBP
$598 USD
View
B
Retailer 9
-
£647 GBP
$867 USD
View
Retailer 10
-
£754 GBP
$1,010 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
£809 GBP
View
Most Expensive
B
Brilliant Earth
11356040A · Oct 29
£933 GBP
$1,250 USD
View
11 more retailers have this diamond
Prices start from £310 GBPSave up to £623 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
1.51ct Pear
£310 GBP