Pear|Lab Grown|IGI

0.51ct D SI1 Pear Lab Grown Diamond

ID • D/SI1 • IGI LG809664878

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG809664878

Diamond specifications and retailer prices

From $178 USD
As of October 30, 2026
Save $183 USD (51%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,093 USD at MOH London · As of October 21, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG809664878 or 809664878. Listed at 6 retailers as of October 30, 2026, with a 103% 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

0.51
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809664878
Dimensions6.49 × 4.56 × 2.83 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.49 mm4.56 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809664878
Side View
Table 60.0%Crown 39.2°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 30
Current: $1,093 USD|Low: $178 USD|High: $1,101 USD|Avg: $396 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$178 USD
Retailer 4$243 USD
Retailer 3$256 USD
Retailer 2$280 USD
Retailer 5$361 USD
MOH London$1,093 USD

40 data points across 6 retailers

6 retailers$178 USD to $361 USD

A
Cheapest Retailer
-
$178 USD
A
Retailer 2
-
$243 USD
€231 EUR
View
B+
Retailer 3
-
$256 USD
£202 GBP
View
B+
Retailer 4
-
$280 USD
View
B+
Retailer 5
-
$361 USD
View
Most Expensive
MOH London
LG809664878 · Oct 21
$1,093 USD
£861 GBP
View
Price last confirmed 9 days ago
5 more retailers have this diamond
Prices start from $178 USDSave up to $183 USD

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
$178 USD