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 $1,555 USD
As of October 30, 2026
Save $1,826 USD (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,159 USD at MOH London · As of October 27, 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
Color
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

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,159 USD|Low: $1,493 USD|High: $5,221 USD|Avg: $2,606 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$1,555 USD
Retailer 5$1,660 USD
Retailer 6$1,804 USD
Retailer 8$1,975 USD
Retailer 2$2,555 USD
Retailer 7$2,839 USD
Retailer 3$3,190 USD
MOH London$5,159 USD

40 data points across 8 retailers

11 retailers$1,555 USD to $3,381 USD

B+
Cheapest Retailer
-
$1,555 USD
B
Retailer 2
-
$1,660 USD
View
B
Retailer 3
-
$1,692 USD
View
B
Retailer 4
-
$1,804 USD
View
Retailer 5
-
$1,804 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$1,975 USD
View
B
Retailer 7
-
$2,555 USD
£2,012 GBP
View
B
Retailer 8
-
$2,839 USD
View
B
Retailer 9
-
$3,190 USD
View
B
Retailer 10
-
$3,381 USD
View
Most Expensive
MOH London
LG508156220 · Oct 27
$5,159 USD
£4,062 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,555 USDSave up to $1,826 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.

B+
1.51ct Pear
$1,555 USD