CaratHunter
Plans
Asscher|Lab Grown|IGI

1.78ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG830624089

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG830624089

Diamond specifications and retailer prices

From $813 NZD
$458 USD
As of October 30, 2026
Save $6,409 NZD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,221 NZD at Brilliant Earth · As of October 30, 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 LG830624089 or 830624089. Listed at 21 retailers as of October 30, 2026, with prices from $813 to $7,221, a $6,409 spread on the same certified stone. Brilliant Earth lists it at $7,221. 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 angle35.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624089
Dimensions6.70 × 6.68 × 4.39 mm
L/W Ratio1.00
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
6.70 mm6.68 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624089
Side View
Table 60.0%Crown 35.9°Girdle: MediumPavilion 39.2°Culet: NoneDepth 65.7%

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: $7,221 NZD|Low: $813 NZD|High: $10,149 NZD|Avg: $3,565 NZD|-28.8%
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
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 10$813 NZD
Retailer 6$910 NZD
Retailer 20$1,008 NZD
Retailer 7$1,182 NZD
Retailer 15$1,260 NZD
Retailer 19$1,576 NZD
Retailer 2$1,668 NZD
Retailer 14$1,731 NZD
Retailer 13$2,075 NZD
Retailer 18$2,335 NZD
Retailer 4$2,504 NZD
Retailer 3$3,238 NZD
Retailer 5$3,294 NZD
Retailer 16$3,513 NZD
Retailer 17$3,707 NZD
Retailer 12$4,083 NZD
Retailer 8$4,303 NZD
Retailer 9$6,020 NZD
Retailer 11$6,973 NZD
Brilliant Earth$7,221 NZD

28 data points across 20 retailers

21 retailers$813 NZD to $7,221 NZD

A
Cheapest Retailer
-
$813 NZD
$458 USD
A
Retailer 2
-
$910 NZD
$513 USD
View
A
Retailer 3
-
$1,008 NZD
$568 USD
View
A
Retailer 4
-
$1,182 NZD
$666 USD
View
Final sale: no returns
A
Retailer 5
-
$1,260 NZD
$710 USD
View
Retailer 6
-
$1,313 NZD
$740 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$1,576 NZD
$888 USD
View
A
Retailer 8
-
$1,668 NZD
£740 GBP
View
A
Retailer 9
-
$1,731 NZD
ZAR 15,764 ZAR
View
A
Retailer 10
-
$2,075 NZD
€1,114 EUR
View
B+
Retailer 11
-
$2,335 NZD
$1,316 USD
View
B+
Retailer 12
-
$2,504 NZD
$1,411 USD
View
B+
Retailer 13
-
$3,238 NZD
$1,825 USD
View
B+
Retailer 14
-
$3,294 NZD
$1,856 USD
View
B+
Retailer 15
-
$3,513 NZD
$1,980 USD
View
B+
Retailer 16
-
$3,707 NZD
£1,645 GBP
View
Retailer 17
-
$4,083 NZD
£1,812 GBP
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$4,303 NZD
SGD 3,277 SGD
View
B
Retailer 19
-
$6,020 NZD
$3,393 USD
View
Retailer 20
-
$6,973 NZD
$3,930 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21416980A · Oct 30
$7,221 NZD
$4,070 USD
View
20 more retailers have this diamond
Prices start from $813 NZDSave up to $6,409 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
$813 NZD