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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 €410 EUR
$458 USD
As of October 30, 2026
Save €3,233 EUR (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,643 EUR at Brilliant Earth · As of October 31, 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 €410 to €3,643, a €3,233 spread on the same certified stone. Brilliant Earth lists it at €3,643. 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 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €3,643 EUR|Low: €410 EUR|High: €5,120 EUR|Avg: €1,787 EUR|-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
November 1, 2026
Retailer 10€410 EUR
Retailer 6€459 EUR
Retailer 20€508 EUR
Retailer 7€596 EUR
Retailer 15€636 EUR
Retailer 19€795 EUR
Retailer 2€842 EUR
Retailer 14€873 EUR
Retailer 13€1,047 EUR
Retailer 18€1,178 EUR
Retailer 4€1,263 EUR
Retailer 3€1,634 EUR
Retailer 5€1,662 EUR
Retailer 16€1,772 EUR
Retailer 17€1,870 EUR
Retailer 12€2,060 EUR
Retailer 8€2,171 EUR
Retailer 9€3,037 EUR
Retailer 11€3,518 EUR
Brilliant Earth€3,643 EUR

29 data points across 20 retailers

21 retailers€410 EUR to €3,643 EUR

A
Cheapest Retailer
-
€410 EUR
$458 USD
A
Retailer 2
-
€459 EUR
$513 USD
View
A
Retailer 3
-
€508 EUR
$568 USD
View
A
Retailer 4
-
€596 EUR
$666 USD
View
Final sale: no returns
A
Retailer 5
-
€636 EUR
$710 USD
View
Retailer 6
-
€662 EUR
$740 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
€795 EUR
$888 USD
View
A
Retailer 8
-
€842 EUR
£740 GBP
View
A
Retailer 9
-
€873 EUR
ZAR 15,764 ZAR
View
A
Retailer 10
-
€1,047 EUR
View
B+
Retailer 11
-
€1,178 EUR
$1,316 USD
View
B+
Retailer 12
-
€1,263 EUR
$1,411 USD
View
B+
Retailer 13
-
€1,634 EUR
$1,825 USD
View
B+
Retailer 14
-
€1,662 EUR
$1,856 USD
View
B+
Retailer 15
-
€1,772 EUR
$1,980 USD
View
B+
Retailer 16
-
€1,870 EUR
£1,645 GBP
View
Retailer 17
-
€2,060 EUR
£1,812 GBP
View
Price last confirmed 10 days ago
B+
Retailer 18
-
€2,171 EUR
SGD 3,277 SGD
View
B
Retailer 19
-
€3,037 EUR
$3,393 USD
View
Retailer 20
-
€3,518 EUR
$3,930 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21416980A · Oct 31
€3,643 EUR
$4,070 USD
View
20 more retailers have this diamond
Prices start from €410 EURSave up to €3,233 EUR

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
€410 EUR