Asscher|Lab Grown|IGI

1.51ct D IF Asscher Lab Grown Diamond

VG • D/IF • IGI LG620421805

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620421805

Diamond specifications and retailer prices

From $436 CAD
$312 USD
As of October 30, 2026
Save $3,713 CAD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,149 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown asscher diamond

This 1.51ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG620421805 or 620421805. Listed at 20 retailers as of October 30, 2026, with prices from $436 to $4,149, a $3,713 spread on the same certified stone. Brilliant Earth lists it at $4,149. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421805
Dimensions6.24 × 6.19 × 4.21 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
6.24 mm6.19 mm1.51 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421805
Side View
Table 65.0%Crown 37.8°Girdle: Slightly ThickPavilion 39.6°Culet: NoneDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,149 CAD|Low: $436 CAD|High: $4,149 CAD|Avg: $1,280 CAD
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
October 31, 2026
Retailer 7$436 CAD
Retailer 12$512 CAD
Retailer 9$517 CAD
Retailer 3$650 CAD
Retailer 5$705 CAD
Retailer 14$794 CAD
Retailer 4$830 CAD
Retailer 10$844 CAD
Retailer 16$848 CAD
Retailer 17$1,123 CAD
Retailer 11$1,233 CAD
Retailer 6$1,400 CAD
Retailer 13$1,507 CAD
Retailer 8$1,623 CAD
Retailer 2$1,722 CAD
Retailer 15$1,946 CAD
Brilliant Earth$4,149 CAD

31 data points across 17 retailers

20 retailers$436 CAD to $4,149 CAD

A
Cheapest Retailer
-
$436 CAD
$312 USD
Final sale: no returns
A
Retailer 2
-
$512 CAD
£289 GBP
View
A
Retailer 3
-
$517 CAD
$370 USD
View
A
Retailer 4
-
$650 CAD
$465 USD
View
A
Retailer 5
-
$705 CAD
$505 USD
View
A
Retailer 6
-
$794 CAD
€541 EUR
View
A
Retailer 7
-
$830 CAD
ZAR 9,595 ZAR
View
A
Retailer 8
-
$844 CAD
£476 GBP
View
A
Retailer 9
-
$848 CAD
$607 USD
View
A
Retailer 10
-
$1,123 CAD
A$1,237 AUD
View
A
Retailer 11
-
$1,233 CAD
$883 USD
View
B+
Retailer 12
-
$1,400 CAD
$1,002 USD
View
B+
Retailer 13
-
$1,507 CAD
$1,079 USD
View
B+
Retailer 14
-
$1,623 CAD
$1,162 USD
View
B+
Retailer 15
-
$1,722 CAD
$1,233 USD
View
Retailer 16
-
$1,938 CAD
A$2,134 AUD
View
Price last confirmed 145 days ago
B+
Retailer 17
-
$1,946 CAD
£1,097 GBP
View
Retailer 18
-
$2,001 CAD
£1,128 GBP
View
Price last confirmed 27 days ago
B
Retailer 19
-
$4,149 CAD
$2,970 USD
View
Most Expensive
B
Brilliant Earth
14228094A · Oct 31
$4,149 CAD
$2,970 USD
View
19 more retailers have this diamond
Prices start from $436 CADSave up to $3,713 CAD

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
1.51ct Asscher
$436 CAD