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Asscher|Lab Grown|IGI

1.78ct E VVS1 Asscher Lab Grown Diamond

ID • E/VVS1 • IGI LG589313478

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG589313478

Diamond specifications and retailer prices

From $591 NZD
$332 USD
As of October 28, 2026
Save $5,694 NZD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,285 NZD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 1.78ct lab-grown asscher diamond

This 1.78ct 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 LG589313478 or 589313478. Listed at 17 retailers as of October 23, 2026, with prices from $591 to $6,285, a $5,694 spread on the same certified stone. Brilliant Earth lists it at $6,285. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589313478
Dimensions6.84 × 6.64 × 4.28 mm
L/W Ratio1.03
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
6.84 mm6.64 mm1.78 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589313478
Side View
Table 64.0%Crown 39.1°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 64.5%

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: Oct 28
Current: $6,285 NZD|Low: $591 NZD|High: $6,499 NZD|Avg: $1,885 NZD|-3.3%
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
October 30, 2026
Retailer 6$591 NZD
Retailer 3$655 NZD
Retailer 4$881 NZD
Retailer 10$1,126 NZD
Retailer 7$1,161 NZD
Retailer 8$1,167 NZD
Retailer 13$1,496 NZD
Retailer 9$1,523 NZD
Retailer 12$1,679 NZD
Retailer 5$2,102 NZD
Retailer 2$2,190 NZD
Retailer 14$2,519 NZD
Retailer 11$2,639 NZD
Brilliant Earth$6,285 NZD

43 data points across 14 retailers

17 retailers$591 NZD to $6,285 NZD

A
Cheapest Retailer
-
$591 NZD
$332 USD
Final sale: no returns
B+
Retailer 2
-
$881 NZD
$495 USD
View
A
Retailer 3
-
$935 NZD
$525 USD
View
A
Retailer 4
-
$1,126 NZD
ZAR 10,213 ZAR
View
A
Retailer 5
-
$1,161 NZD
£514 GBP
View
A
Retailer 6
-
$1,167 NZD
€624 EUR
View
B+
Retailer 7
-
$1,496 NZD
$840 USD
View
B+
Retailer 8
-
$1,523 NZD
A$1,316 AUD
View
B+
Retailer 9
-
$1,679 NZD
$943 USD
View
B+
Retailer 10
-
$2,014 NZD
£891 GBP
View
B+
Retailer 11
-
$2,102 NZD
SGD 1,595 SGD
View
B+
Retailer 12
-
$2,190 NZD
A$1,892 AUD
View
B+
Retailer 13
-
$2,191 NZD
$1,231 USD
View
B
Retailer 14
-
$2,519 NZD
$1,415 USD
View
B+
Retailer 15
-
$2,639 NZD
£1,167 GBP
View
Retailer 16
-
$3,330 NZD
$1,871 USD
View
Price last confirmed 59 days ago
Most Expensive
B
Brilliant Earth
14242347A · Oct 23
$6,285 NZD
$3,530 USD
View
16 more retailers have this diamond
Prices start from $591 NZDSave up to $5,694 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
1.78ct Asscher
$591 NZD