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Pear|Lab Grown|IGI

1.80ct E SI1 Pear Lab Grown Diamond

ID • E/SI1 • IGI LG778662550

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG778662550

Diamond specifications and retailer prices

From €275 EUR
HK$2,400 HKD
As of October 31, 2026
Save €1,005 EUR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,280 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.8ct lab-grown pear diamond

This 1.8ct lab-grown pear sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778662550 or 778662550. Listed at 10 retailers as of October 31, 2026, with prices from €275 to €1,280, a €1,005 spread on the same certified stone. Brilliant Earth lists it at €1,280. 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

1.80
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778662550
Dimensions10.81 × 6.71 × 4.17 mm
L/W Ratio1.61
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.81 mm6.71 mm1.80 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778662550
Side View
Table 65.0%Crown 30.6°Girdle: THK-VTKPavilion 41.3°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 31
Current: €1,280 EUR|Low: €327 EUR|High: €1,316 EUR|Avg: €697 EUR|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4€327 EUR
Retailer 3€406 EUR
Retailer 2€450 EUR
Retailer 7€480 EUR
Retailer 5€976 EUR
Retailer 6€1,034 EUR
Brilliant Earth€1,280 EUR

39 data points across 7 retailers

10 retailers€275 EUR to €1,280 EUR

A
Cheapest Retailer
-
€275 EUR
HK$2,400 HKD
B+
Retailer 2
-
€327 EUR
$365 USD
View
A
Retailer 3
-
€406 EUR
View
A
Retailer 4
-
€450 EUR
£396 GBP
View
B+
Retailer 5
-
€480 EUR
$536 USD
View
B+
Retailer 6
-
€552 EUR
$617 USD
View
B
Retailer 7
-
€826 EUR
$923 USD
View
B
Retailer 8
-
€976 EUR
£859 GBP
View
Retailer 9
-
€1,034 EUR
$1,155 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
18308122A · Oct 31
€1,280 EUR
$1,430 USD
View
9 more retailers have this diamond
Prices start from €275 EURSave up to €1,005 EUR

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
1.80ct Pear
€275 EUR