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Asscher|Lab Grown|IGI

1.78ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG749551270

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG749551270

Diamond specifications and retailer prices

From $379 AUD
$266 USD
As of October 28, 2026
Save $6,226 AUD (94%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,605 AUD 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749551270 or 749551270. Listed at 21 retailers as of October 28, 2026, with prices from $379 to $6,605, a $6,226 spread on the same certified stone. Brilliant Earth lists it at $6,605. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.6°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749551270
Dimensions6.78 × 6.69 × 4.27 mm
L/W Ratio1.01
Culet sizePointed
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
6.78 mm6.69 mm1.78 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749551270
Side View
Table 60.0%Crown 25.6°Girdle: MediumPavilion 42.1°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A+
Exceptional
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 28
Current: $916 AUD|Low: $424 AUD|High: $4,647 AUD|Avg: $1,515 AUD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 29, 2026
Retailer 7$424 AUD
Retailer 3$440 AUD
Retailer 13$697 AUD
Retailer 8$780 AUD
Retailer 12$892 AUD
Retailer 1$916 AUD
Retailer 4$965 AUD
Retailer 11$1,206 AUD
Retailer 15$1,305 AUD
Retailer 5$1,519 AUD
Retailer 17$1,808 AUD
Retailer 6$1,903 AUD
Retailer 2$1,953 AUD
Retailer 10$2,092 AUD
Retailer 9$2,168 AUD
Retailer 16$3,373 AUD
Retailer 14$4,555 AUD

41 data points across 17 retailers

21 retailers$379 AUD to $6,605 AUD

A+
Cheapest Retailer
-
$379 AUD
$266 USD
A
Retailer 2
-
$424 AUD
$298 USD
View
Final sale: no returns
A
Retailer 3
-
$440 AUD
$309 USD
View
A
Retailer 4
-
$470 AUD
$330 USD
View
A
Retailer 5
-
$697 AUD
$490 USD
View
A
Retailer 6
-
$780 AUD
$548 USD
View
A
Retailer 7
-
$892 AUD
ZAR 10,120 ZAR
View
A
Retailer 8
-
$916 AUD
£507 GBP
View
A
Retailer 9
-
$965 AUD
$678 USD
View
A
Retailer 10
-
$1,206 AUD
View
A
Retailer 11
-
$1,305 AUD
$917 USD
View
A
Retailer 12
-
$1,519 AUD
$1,067 USD
View
A
Retailer 13
-
$1,668 AUD
$1,172 USD
View
A
Retailer 14
-
$1,808 AUD
$1,270 USD
View
B+
Retailer 15
-
$1,903 AUD
$1,337 USD
View
B+
Retailer 16
-
$1,953 AUD
SGD 1,854 SGD
View
B+
Retailer 17
-
$2,092 AUD
£1,157 GBP
View
B+
Retailer 18
-
$2,168 AUD
View
Price last confirmed 24 days ago
B
Retailer 19
-
$3,373 AUD
$2,370 USD
View
B
Retailer 20
-
$4,555 AUD
$3,200 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
22138312Y · Oct 28
$6,605 AUD
$4,640 USD
View
20 more retailers have this diamond
Prices start from $379 AUDSave up to $6,226 AUD

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
$379 AUD