CaratHunter
Plans
Asscher|Lab Grown|IGI

1.78ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG830624089

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG830624089

Diamond specifications and retailer prices

From $586 SGD
$458 USD
As of October 30, 2026
Save $4,618 SGD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,203 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 LG830624089 or 830624089. Listed at 21 retailers as of October 30, 2026, with prices from $586 to $5,203, a $4,618 spread on the same certified stone. Brilliant Earth lists it at $5,203. 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 angle35.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624089
Dimensions6.70 × 6.68 × 4.39 mm
L/W Ratio1.00
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
6.70 mm6.68 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624089
Side View
Table 60.0%Crown 35.9°Girdle: MediumPavilion 39.2°Culet: NoneDepth 65.7%

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: $5,203 SGD|Low: $586 SGD|High: $7,312 SGD|Avg: $2,584 SGD|-28.8%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 10$586 SGD
Retailer 6$656 SGD
Retailer 20$726 SGD
Retailer 7$851 SGD
Retailer 15$908 SGD
Retailer 19$1,135 SGD
Retailer 2$1,199 SGD
Retailer 14$1,247 SGD
Retailer 13$1,495 SGD
Retailer 18$1,682 SGD
Retailer 4$1,804 SGD
Retailer 3$2,333 SGD
Retailer 5$2,373 SGD
Retailer 16$2,531 SGD
Retailer 17$2,671 SGD
Retailer 12$2,942 SGD
Retailer 8$3,100 SGD
Retailer 9$4,338 SGD
Retailer 11$5,024 SGD
Brilliant Earth$5,203 SGD

28 data points across 20 retailers

21 retailers$586 SGD to $5,203 SGD

A
Cheapest Retailer
-
$586 SGD
$458 USD
A
Retailer 2
-
$656 SGD
$513 USD
View
A
Retailer 3
-
$726 SGD
$568 USD
View
A
Retailer 4
-
$851 SGD
$666 USD
View
Final sale: no returns
A
Retailer 5
-
$908 SGD
$710 USD
View
Retailer 6
-
$946 SGD
$740 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$1,135 SGD
$888 USD
View
A
Retailer 8
-
$1,199 SGD
£739 GBP
View
A
Retailer 9
-
$1,247 SGD
ZAR 15,764 ZAR
View
A
Retailer 10
-
$1,495 SGD
€1,114 EUR
View
B+
Retailer 11
-
$1,682 SGD
$1,316 USD
View
B+
Retailer 12
-
$1,804 SGD
$1,411 USD
View
B+
Retailer 13
-
$2,333 SGD
$1,825 USD
View
B+
Retailer 14
-
$2,373 SGD
$1,856 USD
View
B+
Retailer 15
-
$2,531 SGD
$1,980 USD
View
B+
Retailer 16
-
$2,671 SGD
£1,645 GBP
View
Retailer 17
-
$2,942 SGD
£1,812 GBP
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$3,100 SGD
View
B
Retailer 19
-
$4,338 SGD
$3,393 USD
View
Retailer 20
-
$5,024 SGD
$3,930 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21416980A · Oct 30
$5,203 SGD
$4,070 USD
View
20 more retailers have this diamond
Prices start from $586 SGDSave up to $4,618 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
$586 SGD