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Asscher|Lab Grown|IGI

1.66ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG840629952

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840629952

Diamond specifications and retailer prices

From €382 EUR
$429 USD
As of November 2, 2026
Save €2,916 EUR (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,299 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.66ct lab-grown asscher diamond

This 1.66ct 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 LG840629952 or 840629952. Listed at 19 retailers as of November 2, 2026, with prices from €382 to €3,299, a €2,916 spread on the same certified stone. Brilliant Earth lists it at €3,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629952
Dimensions6.50 × 6.50 × 4.30 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
6.50 mm6.50 mm1.66 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629952
Side View
Table 63.0%Crown 35.3°Girdle: MediumPavilion 39°Culet: NoneDepth 66.2%

Caratlytics Score

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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 2
Current: €3,299 EUR|Low: €382 EUR|High: €4,716 EUR|Avg: €1,303 EUR|-30.1%
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
November 2, 2026
Retailer 4€382 EUR
Retailer 16€428 EUR
Retailer 8€474 EUR
Retailer 2€501 EUR
Retailer 10€554 EUR
Retailer 9€602 EUR
Retailer 18€693 EUR
Retailer 3€746 EUR
Retailer 13€782 EUR
Retailer 12€818 EUR
Retailer 6€1,106 EUR
Retailer 17€1,330 EUR
Retailer 15€1,525 EUR
Retailer 7€1,553 EUR
Retailer 19€1,647 EUR
Retailer 11€2,022 EUR
Retailer 5€2,821 EUR
Retailer 14€3,290 EUR
Brilliant Earth€3,299 EUR

6 data points across 19 retailers

19 retailers€382 EUR to €3,299 EUR

A
Cheapest Retailer
-
€382 EUR
$429 USD
A
Retailer 2
-
€428 EUR
$480 USD
View
A
Retailer 3
-
€474 EUR
$532 USD
View
A
Retailer 4
-
€501 EUR
£443 GBP
View
A
Retailer 5
-
€554 EUR
$621 USD
View
Final sale: no returns
A
Retailer 6
-
€602 EUR
$675 USD
View
A
Retailer 7
-
€693 EUR
$777 USD
View
A
Retailer 8
-
€746 EUR
$837 USD
View
A
Retailer 9
-
€782 EUR
£691 GBP
View
A
Retailer 10
-
€818 EUR
ZAR 14,819 ZAR
View
B+
Retailer 11
-
€1,106 EUR
$1,240 USD
View
B+
Retailer 12
-
€1,330 EUR
$1,492 USD
View
B+
Retailer 13
-
€1,525 EUR
$1,710 USD
View
B+
Retailer 14
-
€1,553 EUR
$1,742 USD
View
B+
Retailer 15
-
€1,647 EUR
$1,847 USD
View
B
Retailer 16
-
€2,022 EUR
SGD 3,065 SGD
View
B
Retailer 17
-
€2,821 EUR
$3,164 USD
View
B
Retailer 18
-
€3,290 EUR
$3,690 USD
View
Most Expensive
B
Brilliant Earth
22348713A · Nov 2
€3,299 EUR
$3,700 USD
View
18 more retailers have this diamond
Prices start from €382 EURSave up to €2,916 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
1.66ct Asscher
€382 EUR