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Asscher|Lab Grown|IGI

1.78ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG788630252

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG788630252

Diamond specifications and retailer prices

From $505 SGD
$395 USD
As of October 30, 2026
Save $4,557 SGD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,062 SGD 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788630252 or 788630252. Listed at 12 retailers as of October 30, 2026, with prices from $505 to $5,062, a $4,557 spread on the same certified stone. Brilliant Earth lists it at $5,062. 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 angle30.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788630252
Dimensions6.78 × 6.70 × 4.31 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
6.78 mm6.70 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788630252
Side View
Table 63.0%Crown 30.1°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 64.3%

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: $5,062 SGD|Low: $505 SGD|High: $8,770 SGD|Avg: $3,036 SGD|-32.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 20
October 30, 2026
Retailer 2$505 SGD
Retailer 18$580 SGD
Retailer 15$993 SGD
Retailer 16$1,016 SGD
Retailer 4$1,107 SGD
Retailer 17$1,717 SGD
Retailer 9$1,805 SGD
Retailer 12$1,858 SGD
Retailer 7$2,050 SGD
Retailer 6$2,086 SGD
Retailer 3$2,094 SGD
Retailer 14$2,224 SGD
Retailer 20$2,681 SGD
Retailer 10$3,188 SGD
Retailer 5$3,526 SGD
Retailer 11$3,927 SGD
Retailer 8$4,486 SGD
Retailer 13$4,487 SGD
Retailer 19$4,986 SGD
Brilliant Earth$5,062 SGD

28 data points across 20 retailers

12 retailers$505 SGD to $5,062 SGD

A
Cheapest Retailer
-
$505 SGD
$395 USD
A
Retailer 2
-
$580 SGD
$454 USD
View
A
Retailer 3
-
$993 SGD
$777 USD
View
A
Retailer 4
-
$1,016 SGD
$795 USD
View
A
Retailer 5
-
$1,107 SGD
$866 USD
View
Final sale: no returns
B+
Retailer 6
-
$1,717 SGD
$1,343 USD
View
B+
Retailer 7
-
$2,094 SGD
$1,638 USD
View
B+
Retailer 8
-
$2,224 SGD
$1,740 USD
View
Retailer 9
-
$2,681 SGD
£1,651 GBP
View
Price last confirmed 13 days ago
B
Retailer 10
-
$4,487 SGD
$3,510 USD
View
Retailer 11
-
$4,986 SGD
$3,900 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21413558Y · Oct 30
$5,062 SGD
$3,960 USD
View
11 more retailers have this diamond
Prices start from $505 SGDSave up to $4,557 SGD

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
$505 SGD