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Asscher|Lab Grown|IGI

1.78ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG749551270

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG749551270

Diamond specifications and retailer prices

From $474 NZD
$266 USD
As of October 28, 2026
Save $7,788 NZD (94%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,262 NZD at Brilliant Earth · As of October 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749551270 or 749551270. Listed at 21 retailers as of October 28, 2026, with prices from $474 to $8,262, a $7,788 spread on the same certified stone. Brilliant Earth lists it at $8,262. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.6°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749551270
Dimensions6.78 × 6.69 × 4.27 mm
L/W Ratio1.01
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
6.78 mm6.69 mm1.78 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749551270
Side View
Table 60.0%Crown 25.6°Girdle: MediumPavilion 42.1°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A+
Exceptional
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: $1,146 NZD|Low: $531 NZD|High: $5,813 NZD|Avg: $1,895 NZD|-3.6%
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
Retailer 16
Retailer 17
October 29, 2026
Retailer 7$531 NZD
Retailer 3$550 NZD
Retailer 13$872 NZD
Retailer 8$976 NZD
Retailer 12$1,115 NZD
Retailer 1$1,146 NZD
Retailer 4$1,207 NZD
Retailer 11$1,509 NZD
Retailer 15$1,633 NZD
Retailer 5$1,900 NZD
Retailer 17$2,261 NZD
Retailer 6$2,381 NZD
Retailer 2$2,443 NZD
Retailer 10$2,616 NZD
Retailer 9$2,712 NZD
Retailer 16$4,220 NZD
Retailer 14$5,698 NZD

41 data points across 17 retailers

21 retailers$474 NZD to $8,262 NZD

A+
Cheapest Retailer
-
$474 NZD
$266 USD
A
Retailer 2
-
$531 NZD
$298 USD
View
Final sale: no returns
A
Retailer 3
-
$550 NZD
$309 USD
View
A
Retailer 4
-
$588 NZD
$330 USD
View
A
Retailer 5
-
$872 NZD
$490 USD
View
A
Retailer 6
-
$976 NZD
$548 USD
View
A
Retailer 7
-
$1,115 NZD
ZAR 10,120 ZAR
View
A
Retailer 8
-
$1,146 NZD
£507 GBP
View
A
Retailer 9
-
$1,207 NZD
$678 USD
View
A
Retailer 10
-
$1,509 NZD
A$1,304 AUD
View
A
Retailer 11
-
$1,633 NZD
$917 USD
View
A
Retailer 12
-
$1,900 NZD
$1,067 USD
View
A
Retailer 13
-
$2,087 NZD
$1,172 USD
View
A
Retailer 14
-
$2,261 NZD
$1,270 USD
View
B+
Retailer 15
-
$2,381 NZD
$1,337 USD
View
B+
Retailer 16
-
$2,443 NZD
SGD 1,854 SGD
View
B+
Retailer 17
-
$2,616 NZD
£1,157 GBP
View
B+
Retailer 18
-
$2,712 NZD
A$2,343 AUD
View
Price last confirmed 24 days ago
B
Retailer 19
-
$4,220 NZD
$2,370 USD
View
B
Retailer 20
-
$5,698 NZD
$3,200 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
22138312Y · Oct 28
$8,262 NZD
$4,640 USD
View
20 more retailers have this diamond
Prices start from $474 NZDSave up to $7,788 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
$474 NZD