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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 $528 USD
As of November 5, 2026
Save $2,202 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,730 USD 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 $528 to $2,730, a $2,202 spread on the same certified stone. With Clarity lists it at $2,730. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,400 USD|Low: $528 USD|High: $2,730 USD|Avg: $1,398 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 5, 2026
Retailer 3$528 USD
Retailer 2$536 USD
Retailer 7$833 USD
Retailer 5$862 USD
Retailer 1$1,400 USD
Retailer 6$1,730 USD
Retailer 8$1,832 USD
Retailer 4$1,934 USD
With Clarity$2,730 USD

2 data points across 9 retailers

9 retailers$528 USD to $2,730 USD

A
Cheapest Retailer
-
$528 USD
A
Retailer 2
-
$536 USD
View
Final sale: no returns
A
Retailer 3
-
$833 USD
View
A
Retailer 4
-
$862 USD
View
B+
Retailer 5
-
$1,400 USD
View
B+
Retailer 6
-
$1,730 USD
View
B+
Retailer 7
-
$1,832 USD
View
B
Retailer 8
-
$1,934 USD
View
Most Expensive
B
With Clarity
831691881 · Nov 5
$2,730 USD
View
8 more retailers have this diamond
Prices start from $528 USDSave up to $2,202 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
$528 USD