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 $274 USD
As of October 27, 2026
Save $1,096 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,370 USD at MOH London · As of October 29, 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 October 27, 2026, with prices from $274 to $1,370, a $1,096 spread on the same certified stone. MOH London lists it at $1,370. 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
Color
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: Oct 27
Current: $1,370 USD|Low: $263 USD|High: $1,380 USD|Avg: $649 USD|+0.5%
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
October 23, 2026
Retailer 8$274 USD
Retailer 3$307 USD
Retailer 13$318 USD
Retailer 10$340 USD
Retailer 14$340 USD
Retailer 9$350 USD
Retailer 4$500 USD
Retailer 12$564 USD
Retailer 2$631 USD
Retailer 5$693 USD
Retailer 7$1,045 USD
Retailer 11$1,094 USD
Retailer 6$1,368 USD
MOH London$1,370 USD

20 data points across 14 retailers

11 retailers$274 USD to $1,370 USD

A
Cheapest Retailer
-
$274 USD
A
Retailer 2
-
$307 USD
View
Final sale: no returns
A
Retailer 3
-
$318 USD
View
B+
Retailer 4
-
$340 USD
View
B+
Retailer 5
-
$340 USD
View
B+
Retailer 6
-
$350 USD
View
B
Retailer 7
-
$564 USD
View
B
Retailer 8
-
$631 USD
€601 EUR
View
B
Retailer 9
-
$1,045 USD
View
B
Retailer 10
-
$1,094 USD
View
Most Expensive
B
MOH London
LG506194318 · Oct 29
$1,370 USD
£1,079 GBP
View
10 more retailers have this diamond
Prices start from $274 USDSave up to $1,096 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
$274 USD