CaratHunter
Plans
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 $323 AUD
As of November 4, 2026
Save $1,620 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,943 AUD at Brilliant Earth · As of November 4, 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 17 retailers as of November 4, 2026, with prices from $323 to $1,943, a $1,620 spread on the same certified stone. Brilliant Earth lists it at $1,943. 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

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 4
Current: $1,943 AUD|Low: $307 AUD|High: $1,943 AUD|Avg: $871 AUD
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
Retailer 17
November 6, 2026
Retailer 17$323 AUD
Retailer 4$361 AUD
Retailer 15$376 AUD
Retailer 7$401 AUD
Retailer 14$401 AUD
Retailer 2$510 AUD
Retailer 5$681 AUD
Retailer 13$710 AUD
Retailer 12$721 AUD
Retailer 10$740 AUD
Retailer 16$779 AUD
Retailer 8$1,056 AUD
Retailer 6$1,289 AUD
Retailer 3$1,363 AUD
Retailer 11$1,601 AUD
Retailer 9$1,700 AUD
Brilliant Earth$1,943 AUD

33 data points across 17 retailers

17 retailers$323 AUD to $1,943 AUD

A
Cheapest Retailer
-
$323 AUD
A
Retailer 2
-
$361 AUD
View
Final sale: no returns
A
Retailer 3
-
$376 AUD
View
A
Retailer 4
-
$401 AUD
View
Retailer 5
-
$401 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$510 AUD
View
B+
Retailer 7
-
$681 AUD
View
A
Retailer 8
-
$710 AUD
View
Retailer 9
-
$721 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$740 AUD
View
A
Retailer 11
-
$779 AUD
View
B+
Retailer 12
-
$1,056 AUD
View
B+
Retailer 13
-
$1,289 AUD
View
B+
Retailer 14
-
$1,363 AUD
View
B
Retailer 15
-
$1,601 AUD
View
B
Retailer 16
-
$1,700 AUD
View
Most Expensive
B
Brilliant Earth
17708639A · Nov 4
$1,943 AUD
$1,360 USD
View
16 more retailers have this diamond
Prices start from $323 AUDSave up to $1,620 AUD

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
$323 AUD