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Asscher|Lab Grown|IGI

1.56ct D SI1 Asscher Lab Grown Diamond

GD • D/SI1 • IGI LG620421777

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620421777

Diamond specifications and retailer prices

From $307 AUD
$216 USD
As of October 30, 2026
Save $1,515 AUD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,822 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.56ct lab-grown asscher diamond

This 1.56ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG620421777 or 620421777. Listed at 10 retailers as of October 30, 2026, with prices from $307 to $1,822, a $1,515 spread on the same certified stone. Brilliant Earth lists it at $1,822. 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

1.56
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421777
Dimensions6.35 × 6.32 × 4.19 mm
L/W Ratio1.00
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
6.35 mm6.32 mm1.56 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421777
Side View
Table 59.0%Crown 32.3°Girdle: Slightly ThickPavilion 42.6°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
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: $1,822 AUD|Low: $307 AUD|High: $1,822 AUD|Avg: $805 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10$307 AUD
Retailer 4$380 AUD
Retailer 3$400 AUD
Retailer 8$458 AUD
Retailer 5$581 AUD
Retailer 9$615 AUD
Retailer 2$621 AUD
Retailer 7$710 AUD
Retailer 11$941 AUD
Retailer 6$1,600 AUD
Brilliant Earth$1,822 AUD

40 data points across 11 retailers

10 retailers$307 AUD to $1,822 AUD

A
Cheapest Retailer
-
$307 AUD
$216 USD
Final sale: no returns
A
Retailer 2
-
$380 AUD
£210 GBP
View
B+
Retailer 3
-
$458 AUD
$322 USD
View
A
Retailer 4
-
$581 AUD
€389 EUR
View
B+
Retailer 5
-
$615 AUD
£340 GBP
View
A
Retailer 6
-
$621 AUD
£343 GBP
View
B+
Retailer 7
-
$710 AUD
$499 USD
View
Retailer 8
-
$941 AUD
$661 USD
View
Price last confirmed 26 days ago
B
Retailer 9
-
$1,600 AUD
£885 GBP
View
Most Expensive
B
Brilliant Earth
11237803A · Oct 31
$1,822 AUD
$1,280 USD
View
9 more retailers have this diamond
Prices start from $307 AUDSave up to $1,515 AUD

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
1.56ct Asscher
$307 AUD