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Asscher|Lab Grown|IGI

1.66ct G VS1 Asscher Lab Grown Diamond

EX • G/VS1 • IGI LG650499988

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG650499988

Diamond specifications and retailer prices

From $318 USD
As of November 1, 2026
Save $1,145 USD (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,463 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG650499988 or 650499988. Listed at 23 retailers as of November 1, 2026, with prices from $318 to $1,463, a $1,145 spread on the same certified stone. Reve Diamonds lists it at $1,463. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650499988
Dimensions6.65 × 6.63 × 4.29 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.65 mm6.63 mm1.66 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650499988
Side View
Table 65.0%Crown 31.4°Girdle: MediumPavilion 43.3°Culet: NoneDepth 64.7%

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: Nov 1
Current: $412 USD|Low: $318 USD|High: $1,484 USD|Avg: $812 USD|-1.2%
Retailer 1
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
Reve Diamonds
November 2, 2026
Retailer 6$318 USD
Retailer 13$330 USD
Retailer 3$353 USD
Retailer 11$353 USD
Retailer 1$412 USD
Retailer 5$582 USD
Retailer 9$608 USD
Retailer 8$623 USD
Retailer 7$694 USD
Retailer 15$820 USD
Retailer 2$1,000 USD
Retailer 14$1,083 USD
Retailer 12$1,134 USD
Retailer 4$1,357 USD
Retailer 10$1,414 USD
Reve Diamonds$1,463 USD

42 data points across 16 retailers

23 retailers$318 USD to $1,463 USD

A
Cheapest Retailer
-
$318 USD
Final sale: no returns
A
Retailer 2
-
$330 USD
View
A
Retailer 3
-
$346 USD
HK$2,700 HKD
View
Retailer 4
-
$353 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$353 USD
View
A
Retailer 6
-
$412 USD
£325 GBP
View
A
Retailer 7
-
$510 USD
View
A
Retailer 8
-
$582 USD
View
A
Retailer 9
-
$585 USD
View
A
Retailer 10
-
$608 USD
ZAR 9,823 ZAR
View
A
Retailer 11
-
$623 USD
£490 GBP
View
B+
Retailer 12
-
$694 USD
View
B+
Retailer 13
-
$820 USD
A$1,262 AUD
View
B+
Retailer 14
-
$1,000 USD
SGD 1,351 SGD
View
B+
Retailer 15
-
$1,000 USD
View
B+
Retailer 16
-
$1,071 USD
£843 GBP
View
B
Retailer 17
-
$1,083 USD
View
B
Retailer 18
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$1,134 USD
View
B
Retailer 19
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$1,184 USD
View
B
Retailer 20
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$1,357 USD
View
B
Retailer 21
-
$1,372 USD
£1,080 GBP
View
B
Retailer 22
-
$1,414 USD
£1,113 GBP
View
Most Expensive
B
Reve Diamonds
006BC87BC · Nov 1
$1,463 USD
View
22 more retailers have this diamond
Prices start from $318 USDSave up to $1,145 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
$318 USD