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Asscher|Lab Grown|IGI

1.78ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG788630252

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG788630252

Diamond specifications and retailer prices

From $701 NZD
$395 USD
As of October 30, 2026
Save $6,325 NZD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,026 NZD at Brilliant Earth · As of October 31, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788630252 or 788630252. Listed at 12 retailers as of October 30, 2026, with prices from $701 to $7,026, a $6,325 spread on the same certified stone. Brilliant Earth lists it at $7,026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788630252
Dimensions6.78 × 6.70 × 4.31 mm
L/W Ratio1.01
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 mm6.70 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788630252
Side View
Table 63.0%Crown 30.1°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 64.3%

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 30
Current: $7,026 NZD|Low: $701 NZD|High: $12,172 NZD|Avg: $4,065 NZD|-32.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 20
October 31, 2026
Retailer 15$701 NZD
Retailer 13$786 NZD
Retailer 2$1,136 NZD
Retailer 18$1,379 NZD
Retailer 4$1,537 NZD
Retailer 14$2,326 NZD
Retailer 9$2,505 NZD
Retailer 12$2,579 NZD
Retailer 7$2,846 NZD
Retailer 6$2,895 NZD
Retailer 3$2,907 NZD
Retailer 17$3,087 NZD
Retailer 20$3,720 NZD
Retailer 10$4,425 NZD
Retailer 5$4,894 NZD
Retailer 11$5,450 NZD
Retailer 8$6,226 NZD
Retailer 16$6,228 NZD
Retailer 19$6,920 NZD
Brilliant Earth$7,026 NZD

30 data points across 20 retailers

12 retailers$701 NZD to $7,026 NZD

A
Cheapest Retailer
-
$701 NZD
$395 USD
A
Retailer 2
-
$786 NZD
$443 USD
View
A
Retailer 3
-
$1,136 NZD
$640 USD
View
A
Retailer 4
-
$1,379 NZD
$777 USD
View
A
Retailer 5
-
$1,537 NZD
$866 USD
View
Final sale: no returns
B+
Retailer 6
-
$2,326 NZD
$1,311 USD
View
B+
Retailer 7
-
$2,907 NZD
$1,638 USD
View
B+
Retailer 8
-
$3,087 NZD
$1,740 USD
View
Retailer 9
-
$3,720 NZD
£1,651 GBP
View
Price last confirmed 13 days ago
B
Retailer 10
-
$6,228 NZD
$3,510 USD
View
Retailer 11
-
$6,920 NZD
$3,900 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21413558Y · Oct 31
$7,026 NZD
$3,960 USD
View
11 more retailers have this diamond
Prices start from $701 NZDSave up to $6,325 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
$701 NZD