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Asscher|Lab Grown|IGI

1.78ct E FL Asscher Lab Grown Diamond

ID • E/FL • IGI LG840634914

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634914

Diamond specifications and retailer prices

From €516 EUR
£454 GBP
As of October 30, 2026
Save €3,020 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,536 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.78ct lab-grown asscher diamond

This 1.78ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634914 or 840634914. Listed at 16 retailers as of October 30, 2026, with prices from €516 to €3,536, a €3,020 spread on the same certified stone. Brilliant Earth lists it at €3,536. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634914
Dimensions6.77 × 6.66 × 4.39 mm
L/W Ratio1.02
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.77 mm6.66 mm1.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634914
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 65.9%

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: €3,536 EUR|Low: €515 EUR|High: €4,592 EUR|Avg: €1,686 EUR|-23.0%
Brilliant Earth
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
October 31, 2026
Retailer 9€516 EUR
Retailer 5€588 EUR
Retailer 14€627 EUR
Retailer 16€783 EUR
Retailer 10€826 EUR
Retailer 13€858 EUR
Retailer 11€1,034 EUR
Retailer 2€1,209 EUR
Retailer 3€1,269 EUR
Retailer 4€1,634 EUR
Retailer 15€1,739 EUR
Retailer 12€1,845 EUR
Retailer 6€2,139 EUR
Retailer 7€2,996 EUR
Retailer 8€3,513 EUR
Brilliant Earth€3,536 EUR

15 data points across 16 retailers

16 retailers€516 EUR to €3,536 EUR

A
Cheapest Retailer
-
€516 EUR
£454 GBP
A
Retailer 2
-
€588 EUR
$657 USD
View
Final sale: no returns
A
Retailer 3
-
€627 EUR
$700 USD
View
A
Retailer 4
-
€783 EUR
$875 USD
View
A
Retailer 5
-
€826 EUR
£727 GBP
View
A
Retailer 6
-
€858 EUR
ZAR 15,494 ZAR
View
A
Retailer 7
-
€1,034 EUR
View
B+
Retailer 8
-
€1,209 EUR
$1,351 USD
View
B+
Retailer 9
-
€1,269 EUR
$1,418 USD
View
B+
Retailer 10
-
€1,634 EUR
$1,826 USD
View
B+
Retailer 11
-
€1,739 EUR
$1,943 USD
View
B+
Retailer 12
-
€1,845 EUR
£1,623 GBP
View
B
Retailer 13
-
€2,139 EUR
SGD 3,230 SGD
View
B
Retailer 14
-
€2,996 EUR
$3,347 USD
View
Retailer 15
-
€3,513 EUR
$3,925 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21861713A · Oct 30
€3,536 EUR
$3,950 USD
View
15 more retailers have this diamond
Prices start from €516 EURSave up to €3,020 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
1.78ct Asscher
€516 EUR