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Asscher|Lab Grown|IGI

1.66ct E VVS1 Asscher Lab Grown Diamond

ID • E/VVS1 • IGI LG678580362

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG678580362

Diamond specifications and retailer prices

From €294 EUR
$328 USD
As of November 1, 2026
Save €1,873 EUR (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,166 EUR at Brilliant Earth · As of October 31, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG678580362 or 678580362. Listed at 25 retailers as of October 31, 2026, with prices from €294 to €2,166, a €1,873 spread on the same certified stone. Brilliant Earth lists it at €2,166. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678580362
Dimensions6.60 × 6.46 × 4.12 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.60 mm6.46 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678580362
Side View
Table 60.0%Crown 31.9°Girdle: Slightly ThickPavilion 37.7°Culet: NoneDepth 63.8%

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 1
Current: €2,166 EUR|Low: €326 EUR|High: €2,542 EUR|Avg: €932 EUR|-14.8%
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
November 2, 2026
Retailer 3€326 EUR
Retailer 2€345 EUR
Retailer 4€439 EUR
Retailer 9€534 EUR
Retailer 7€562 EUR
Retailer 6€577 EUR
Retailer 11€758 EUR
Retailer 13€840 EUR
Retailer 8€1,024 EUR
Retailer 5€1,143 EUR
Retailer 10€1,313 EUR
Retailer 12€1,804 EUR
Brilliant Earth€2,166 EUR

36 data points across 13 retailers

25 retailers€294 EUR to €2,166 EUR

A
Cheapest Retailer
-
€294 EUR
$328 USD
Final sale: no returns
Retailer 2
-
€326 EUR
$364 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
€345 EUR
£303 GBP
View
A
Retailer 4
-
€367 EUR
HK$3,200 HKD
View
B+
Retailer 5
-
€439 EUR
$490 USD
View
A
Retailer 6
-
€465 EUR
$520 USD
View
A
Retailer 7
-
€512 EUR
View
A
Retailer 8
-
€534 EUR
View
A
Retailer 9
-
€562 EUR
ZAR 10,143 ZAR
View
A
Retailer 10
-
€564 EUR
$630 USD
View
A
Retailer 11
-
€577 EUR
£508 GBP
View
B+
Retailer 12
-
€667 EUR
$745 USD
View
B+
Retailer 13
-
€758 EUR
A$1,303 AUD
View
B+
Retailer 14
-
€840 EUR
$938 USD
View
B+
Retailer 15
-
€1,024 EUR
A$1,760 AUD
View
B
Retailer 16
-
€1,046 EUR
SGD 1,579 SGD
View
B
Retailer 17
-
€1,091 EUR
$1,219 USD
View
B
Retailer 18
-
€1,143 EUR
$1,277 USD
View
B
Retailer 19
-
€1,146 EUR
£1,008 GBP
View
B
Retailer 20
-
€1,269 EUR
£1,116 GBP
View
B+
Retailer 21
-
€1,313 EUR
£1,155 GBP
View
B
Retailer 22
-
€1,336 EUR
$1,492 USD
View
B
Retailer 23
-
€1,365 EUR
$1,525 USD
View
B
Retailer 24
-
€1,804 EUR
$2,015 USD
View
Most Expensive
B
Brilliant Earth
13678808A · Oct 31
€2,166 EUR
$2,420 USD
View
24 more retailers have this diamond
Prices start from €294 EURSave up to €1,873 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
€294 EUR