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Asscher|Lab Grown|IGI

1.78ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG836614453

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG836614453

Diamond specifications and retailer prices

From $813 NZD
$458 USD
As of October 30, 2026
Save $6,249 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,062 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 LG836614453 or 836614453. Listed at 22 retailers as of October 30, 2026, with prices from $813 to $7,062, a $6,249 spread on the same certified stone. Brilliant Earth lists it at $7,062. 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 angle33.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614453
Dimensions6.82 × 6.82 × 4.22 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
6.82 mm6.82 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614453
Side View
Table 67.0%Crown 33.7°Girdle: Slightly ThickPavilion 38.8°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,062 NZD|Low: $813 NZD|High: $10,131 NZD|Avg: $3,089 NZD|-30.3%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 22
October 31, 2026
Retailer 11$813 NZD
Retailer 8$910 NZD
Retailer 3$1,008 NZD
Retailer 16$1,069 NZD
Retailer 9$1,182 NZD
Retailer 20$1,260 NZD
Retailer 15$1,313 NZD
Retailer 5$1,446 NZD
Retailer 22$1,576 NZD
Retailer 2$1,668 NZD
Retailer 19$1,731 NZD
Retailer 17$2,075 NZD
Retailer 13$2,335 NZD
Retailer 6$2,504 NZD
Retailer 4$3,238 NZD
Retailer 7$3,294 NZD
Retailer 21$3,513 NZD
Retailer 18$3,720 NZD
Retailer 14$4,083 NZD
Retailer 10$6,020 NZD
Retailer 12$6,973 NZD
Brilliant Earth$7,062 NZD

24 data points across 22 retailers

22 retailers$813 NZD to $7,062 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
-
$1,069 NZD
£474 GBP
View
A
Retailer 5
-
$1,182 NZD
$666 USD
View
Final sale: no returns
A
Retailer 6
-
$1,260 NZD
$710 USD
View
Retailer 7
-
$1,313 NZD
$740 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$1,446 NZD
$815 USD
View
A
Retailer 9
-
$1,576 NZD
$888 USD
View
A
Retailer 10
-
$1,668 NZD
£740 GBP
View
A
Retailer 11
-
$1,731 NZD
ZAR 15,764 ZAR
View
A
Retailer 12
-
$2,075 NZD
€1,114 EUR
View
B+
Retailer 13
-
$2,335 NZD
$1,316 USD
View
B+
Retailer 14
-
$2,504 NZD
$1,411 USD
View
B+
Retailer 15
-
$3,238 NZD
$1,825 USD
View
B+
Retailer 16
-
$3,294 NZD
$1,856 USD
View
B+
Retailer 17
-
$3,513 NZD
$1,980 USD
View
B+
Retailer 18
-
$3,720 NZD
£1,651 GBP
View
Retailer 19
-
$4,083 NZD
£1,812 GBP
View
Price last confirmed 9 days ago
B
Retailer 20
-
$6,020 NZD
$3,393 USD
View
Retailer 21
-
$6,973 NZD
$3,930 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21738548A · Oct 30
$7,062 NZD
$3,980 USD
View
21 more retailers have this diamond
Prices start from $813 NZDSave up to $6,249 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