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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 $578 USD
£455 GBP
As of October 29, 2026
Save $4,552 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,130 USD at Brilliant Earth · As of October 28, 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 28, 2026, with prices from $578 to $5,130, a $4,552 spread on the same certified stone. Brilliant Earth lists it at $5,130. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,130 USD|Low: $575 USD|High: $5,130 USD|Avg: $1,906 USD
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 29, 2026
Retailer 11$578 USD
Retailer 5$657 USD
Retailer 13$700 USD
Retailer 16$875 USD
Retailer 2$920 USD
Retailer 12$959 USD
Retailer 9$1,155 USD
Retailer 3$1,418 USD
Retailer 15$1,500 USD
Retailer 4$1,826 USD
Retailer 14$1,943 USD
Retailer 10$2,061 USD
Retailer 6$2,390 USD
Retailer 7$3,347 USD
Retailer 8$3,925 USD
Brilliant Earth$5,130 USD

13 data points across 16 retailers

16 retailers$578 USD to $5,130 USD

A
Cheapest Retailer
-
$578 USD
£455 GBP
A
Retailer 2
-
$657 USD
View
Final sale: no returns
A
Retailer 3
-
$700 USD
View
A
Retailer 4
-
$875 USD
View
A
Retailer 5
-
$920 USD
£725 GBP
View
A
Retailer 6
-
$959 USD
ZAR 15,494 ZAR
View
A
Retailer 7
-
$1,155 USD
€1,100 EUR
View
B+
Retailer 8
-
$1,418 USD
View
B+
Retailer 9
-
$1,500 USD
View
B+
Retailer 10
-
$1,826 USD
View
B+
Retailer 11
-
$1,943 USD
View
B+
Retailer 12
-
$2,061 USD
£1,623 GBP
View
B
Retailer 13
-
$2,390 USD
SGD 3,230 SGD
View
B
Retailer 14
-
$3,347 USD
View
Retailer 15
-
$3,925 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21861713A · Oct 28
$5,130 USD
View
15 more retailers have this diamond
Prices start from $578 USDSave up to $4,552 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
1.78ct Asscher
$578 USD