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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 £535 GBP
$717 USD
As of October 30, 2026
Save £2,875 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,410 GBP 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 £535 to £3,410, a £2,875 spread on the same certified stone. Blue Nile lists it at £3,410. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,410 GBP|Low: £436 GBP|High: £3,410 GBP|Avg: £1,449 GBP
Blue Nile
Retailer 2
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 30, 2026
Retailer 3£535 GBP
Retailer 9£563 GBP
Retailer 13£582 GBP
Retailer 5£620 GBP
Retailer 17£698 GBP
Retailer 12£765 GBP
Retailer 11£962 GBP
Retailer 6£975 GBP
Retailer 2£995 GBP
Retailer 7£1,006 GBP
Retailer 14£1,528 GBP
Retailer 4£1,744 GBP
Retailer 16£1,874 GBP
Retailer 10£2,449 GBP
Retailer 15£2,989 GBP
Retailer 8£3,254 GBP
Blue Nile£3,410 GBP

39 data points across 17 retailers

16 retailers£535 GBP to £3,410 GBP

A
Cheapest Retailer
-
£535 GBP
$717 USD
A
Retailer 2
-
£582 GBP
$780 USD
View
A
Retailer 3
-
£620 GBP
$831 USD
View
Retailer 4
-
£698 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£765 GBP
$1,025 USD
View
Retailer 6
-
£962 GBP
€1,227 EUR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£975 GBP
$1,306 USD
View
B+
Retailer 8
-
£995 GBP
View
B+
Retailer 9
-
£1,006 GBP
$1,348 USD
View
B+
Retailer 10
-
£1,528 GBP
$2,047 USD
View
B
Retailer 11
-
£1,744 GBP
$2,337 USD
View
B
Retailer 12
-
£1,874 GBP
$2,511 USD
View
B
Retailer 13
-
£2,449 GBP
View
B
Retailer 14
-
£2,989 GBP
$4,005 USD
View
B
Retailer 15
-
£3,254 GBP
$4,360 USD
View
Most Expensive
B
Blue Nile
25273765 · Oct 29
£3,410 GBP
$4,569 USD
View
15 more retailers have this diamond
Prices start from £535 GBPSave up to £2,875 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
5.51ct Pear
£535 GBP