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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 $583 NZD
$328 USD
As of November 1, 2026
Save $3,718 NZD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,301 NZD 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 $583 to $4,301, a $3,718 spread on the same certified stone. Brilliant Earth lists it at $4,301. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,301 NZD|Low: $647 NZD|High: $5,048 NZD|Avg: $1,851 NZD|-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$647 NZD
Retailer 2$684 NZD
Retailer 4$871 NZD
Retailer 9$1,060 NZD
Retailer 7$1,116 NZD
Retailer 6$1,146 NZD
Retailer 11$1,505 NZD
Retailer 13$1,667 NZD
Retailer 8$2,033 NZD
Retailer 5$2,270 NZD
Retailer 10$2,607 NZD
Retailer 12$3,581 NZD
Brilliant Earth$4,301 NZD

36 data points across 13 retailers

25 retailers$583 NZD to $4,301 NZD

A
Cheapest Retailer
-
$583 NZD
$328 USD
Final sale: no returns
Retailer 2
-
$647 NZD
$364 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$684 NZD
£303 GBP
View
A
Retailer 4
-
$728 NZD
HK$3,200 HKD
View
B+
Retailer 5
-
$871 NZD
$490 USD
View
A
Retailer 6
-
$924 NZD
$520 USD
View
A
Retailer 7
-
$1,017 NZD
€545 EUR
View
A
Retailer 8
-
$1,060 NZD
€568 EUR
View
A
Retailer 9
-
$1,116 NZD
ZAR 10,143 ZAR
View
A
Retailer 10
-
$1,120 NZD
$630 USD
View
A
Retailer 11
-
$1,146 NZD
£508 GBP
View
B+
Retailer 12
-
$1,324 NZD
$745 USD
View
B+
Retailer 13
-
$1,505 NZD
A$1,303 AUD
View
B+
Retailer 14
-
$1,667 NZD
$938 USD
View
B+
Retailer 15
-
$2,033 NZD
A$1,760 AUD
View
B
Retailer 16
-
$2,077 NZD
SGD 1,579 SGD
View
B
Retailer 17
-
$2,166 NZD
$1,219 USD
View
B
Retailer 18
-
$2,270 NZD
$1,277 USD
View
B
Retailer 19
-
$2,275 NZD
£1,008 GBP
View
B
Retailer 20
-
$2,519 NZD
£1,116 GBP
View
B+
Retailer 21
-
$2,607 NZD
£1,155 GBP
View
B
Retailer 22
-
$2,652 NZD
$1,492 USD
View
B
Retailer 23
-
$2,710 NZD
$1,525 USD
View
B
Retailer 24
-
$3,581 NZD
$2,015 USD
View
Most Expensive
B
Brilliant Earth
13678808A · Oct 31
$4,301 NZD
$2,420 USD
View
24 more retailers have this diamond
Prices start from $583 NZDSave up to $3,718 NZD

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
$583 NZD