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Asscher|Lab Grown|IGI

1.78ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG831691881

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831691881

Diamond specifications and retailer prices

From $753 AUD
As of November 5, 2026
Save $3,139 AUD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,892 AUD at With Clarity · As of November 5, 2026
View at With Clarity

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831691881 or 831691881. Listed at 9 retailers as of November 5, 2026, with prices from $753 to $3,892, a $3,139 spread on the same certified stone. With Clarity lists it at $3,892. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831691881
Dimensions6.86 × 6.80 × 4.22 mm
L/W Ratio1.01
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
6.86 mm6.80 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831691881
Side View
Table 61.0%Crown 32.2°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 62.1%

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: Nov 5
Current: $1,996 AUD|Low: $753 AUD|High: $3,892 AUD|Avg: $1,993 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 5, 2026
Retailer 3$753 AUD
Retailer 2$764 AUD
Retailer 7$1,187 AUD
Retailer 5$1,229 AUD
Retailer 1$1,996 AUD
Retailer 6$2,466 AUD
Retailer 8$2,612 AUD
Retailer 4$2,757 AUD
With Clarity$3,892 AUD

2 data points across 9 retailers

9 retailers$753 AUD to $3,892 AUD

A
Cheapest Retailer
-
$753 AUD
A
Retailer 2
-
$764 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,187 AUD
View
A
Retailer 4
-
$1,229 AUD
View
B+
Retailer 5
-
$1,996 AUD
View
B+
Retailer 6
-
$2,466 AUD
View
B+
Retailer 7
-
$2,612 AUD
View
B
Retailer 8
-
$2,757 AUD
View
Most Expensive
B
With Clarity
831691881 · Nov 5
$3,892 AUD
$2,730 USD
View
8 more retailers have this diamond
Prices start from $753 AUDSave up to $3,139 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
$753 AUD