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Asscher|Lab Grown|IGI

1.80ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG766657049

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG766657049

Diamond specifications and retailer prices

From $402 NZD
$226 USD
As of October 27, 2026
Save $3,693 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,095 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.8ct lab-grown asscher diamond

This 1.8ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766657049 or 766657049. Listed at 16 retailers as of October 27, 2026, with prices from $402 to $4,095, a $3,693 spread on the same certified stone. Brilliant Earth lists it at $4,095. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.80
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766657049
Dimensions6.74 × 6.71 × 4.10 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
6.74 mm6.71 mm1.80 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766657049
Side View
Table 64.0%Crown 29.3°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 61.1%

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: Oct 27
Current: $4,095 NZD|Low: $383 NZD|High: $4,095 NZD|Avg: $1,145 NZD
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
October 29, 2026
Retailer 16$402 NZD
Retailer 4$450 NZD
Retailer 14$468 NZD
Retailer 7$500 NZD
Retailer 13$500 NZD
Retailer 11$644 NZD
Retailer 5$849 NZD
Retailer 12$886 NZD
Retailer 9$899 NZD
Retailer 2$930 NZD
Retailer 15$970 NZD
Retailer 8$1,316 NZD
Retailer 6$1,606 NZD
Retailer 3$1,700 NZD
Retailer 10$2,015 NZD
Brilliant Earth$4,095 NZD

33 data points across 16 retailers

16 retailers$402 NZD to $4,095 NZD

A
Cheapest Retailer
-
$402 NZD
$226 USD
A
Retailer 2
-
$450 NZD
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$468 NZD
$263 USD
View
A
Retailer 4
-
$500 NZD
$281 USD
View
A
Retailer 5
-
$500 NZD
$281 USD
View
A
Retailer 6
-
$644 NZD
£285 GBP
View
B+
Retailer 7
-
$849 NZD
$477 USD
View
A
Retailer 8
-
$886 NZD
£392 GBP
View
A
Retailer 9
-
$899 NZD
€481 EUR
View
A
Retailer 10
-
$930 NZD
£411 GBP
View
A
Retailer 11
-
$970 NZD
$545 USD
View
B+
Retailer 12
-
$1,316 NZD
$739 USD
View
B+
Retailer 13
-
$1,606 NZD
$902 USD
View
B
Retailer 14
-
$1,700 NZD
$955 USD
View
B
Retailer 15
-
$2,015 NZD
£891 GBP
View
Most Expensive
B
Brilliant Earth
17708639A · Oct 28
$4,095 NZD
$2,300 USD
View
15 more retailers have this diamond
Prices start from $402 NZDSave up to $3,693 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
1.80ct Asscher
$402 NZD