Asscher|Lab Grown|IGI

1.66ct E VVS1 Asscher Lab Grown Diamond

ID • E/VVS1 • IGI LG687546322

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG687546322

Diamond specifications and retailer prices

From $303 USD
As of October 31, 2026
Save $1,567 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,015 USD at Rare Carat · As of October 19, 2026
View at Rare Carat

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 LG687546322 or 687546322. Listed at 19 retailers as of October 31, 2026, with a 517% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687546322
Dimensions6.47 × 6.39 × 4.28 mm
L/W Ratio1.01
Culet sizePointed
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
6.47 mm6.39 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687546322
Side View
Table 63.0%Crown 38.6°Girdle: MediumPavilion 42.6°Culet: NoneDepth 67.0%

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 31
Current: $2,015 USD|Low: $290 USD|High: $2,840 USD|Avg: $945 USD|-1.2%
Rare Carat
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
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Retailer 17
November 1, 2026
Retailer 10$303 USD
Retailer 3$324 USD
Retailer 7$485 USD
Retailer 5$539 USD
Retailer 15$557 USD
Retailer 13$558 USD
Retailer 17$593 USD
Retailer 2$620 USD
Retailer 16$734 USD
Retailer 4$863 USD
Retailer 8$1,093 USD
Retailer 12$1,130 USD
Retailer 9$1,204 USD
Retailer 14$1,306 USD
Retailer 6$1,390 USD
Retailer 11$1,870 USD
Rare Carat$2,015 USD

39 data points across 17 retailers

19 retailers$303 USD to $1,870 USD

A
Cheapest Retailer
-
$303 USD
Final sale: no returns
Retailer 2
-
$324 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$485 USD
View
A
Retailer 4
-
$539 USD
View
A
Retailer 5
-
$557 USD
ZAR 8,997 ZAR
View
A
Retailer 6
-
$558 USD
€531 EUR
View
A
Retailer 7
-
$593 USD
View
A
Retailer 8
-
$620 USD
£488 GBP
View
B+
Retailer 9
-
$734 USD
View
B+
Retailer 10
-
$863 USD
View
B+
Retailer 11
-
$1,093 USD
View
B+
Retailer 12
-
$1,130 USD
A$1,738 AUD
View
B
Retailer 13
-
$1,204 USD
View
B+
Retailer 14
-
$1,306 USD
£1,028 GBP
View
B
Retailer 15
-
$1,390 USD
View
B
Retailer 16
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$1,406 USD
View
B
Retailer 17
-
$1,870 USD
View
Retailer 18
-
$2,000 USD
View
Price last confirmed 13 days ago
Most Expensive
Rare Carat
A23225463RJ687 · Oct 19
$2,015 USD
View
Price last confirmed 13 days ago
18 more retailers have this diamond
Prices start from $303 USDSave up to $1,567 USD

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
$303 USD