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Pear|Lab Grown|IGI

5.51ct E SI1 Pear Lab Grown Diamond

ID • E/SI1 • IGI LG628442315

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG628442315

Diamond specifications and retailer prices

From $717 USD
As of October 30, 2026
Save $3,852 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,569 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 5.51ct lab-grown pear diamond

This 5.51ct lab-grown pear sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628442315 or 628442315. Listed at 16 retailers as of October 29, 2026, with prices from $717 to $4,569, a $3,852 spread on the same certified stone. Blue Nile lists it at $4,569. 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

5.51
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628442315
Dimensions15.90 × 9.93 × 6.15 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
15.90 mm9.93 mm5.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628442315
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.9%

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: $4,569 USD|Low: $584 USD|High: $4,569 USD|Avg: $1,942 USD
Blue Nile
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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 3$717 USD
Retailer 9$755 USD
Retailer 13$780 USD
Retailer 5$831 USD
Retailer 17$935 USD
Retailer 12$1,025 USD
Retailer 11$1,288 USD
Retailer 6$1,306 USD
Retailer 2$1,333 USD
Retailer 7$1,348 USD
Retailer 14$2,047 USD
Retailer 4$2,337 USD
Retailer 16$2,511 USD
Retailer 10$3,282 USD
Retailer 15$4,005 USD
Retailer 8$4,360 USD
Blue Nile$4,569 USD

39 data points across 17 retailers

16 retailers$717 USD to $4,569 USD

A
Cheapest Retailer
-
$717 USD
A
Retailer 2
-
$780 USD
View
A
Retailer 3
-
$831 USD
View
Retailer 4
-
$935 USD
£736 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,025 USD
View
B+
Retailer 6
-
$1,288 USD
€1,227 EUR
View
B+
Retailer 7
-
$1,306 USD
View
B+
Retailer 8
-
$1,333 USD
£1,050 GBP
View
B+
Retailer 9
-
$1,348 USD
View
B+
Retailer 10
-
$2,047 USD
View
B
Retailer 11
-
$2,337 USD
View
B
Retailer 12
-
$2,511 USD
View
B
Retailer 13
-
$3,282 USD
£2,584 GBP
View
B
Retailer 14
-
$4,005 USD
View
B
Retailer 15
-
$4,360 USD
View
Most Expensive
B
Blue Nile
25273765 · Oct 29
$4,569 USD
View
15 more retailers have this diamond
Prices start from $717 USDSave up to $3,852 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
5.51ct Pear
$717 USD