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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 $383 NZD
$216 USD
As of October 30, 2026
Save $1,888 NZD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,271 NZD 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 $383 to $2,271, a $1,888 spread on the same certified stone. Brilliant Earth lists it at $2,271. 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

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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: $2,271 NZD|Low: $383 NZD|High: $2,271 NZD|Avg: $1,001 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10$383 NZD
Retailer 4$472 NZD
Retailer 3$499 NZD
Retailer 8$571 NZD
Retailer 6$725 NZD
Retailer 9$766 NZD
Retailer 5$773 NZD
Retailer 7$885 NZD
Retailer 11$1,173 NZD
Retailer 2$1,985 NZD
Brilliant Earth$2,271 NZD

41 data points across 11 retailers

10 retailers$383 NZD to $2,271 NZD

A
Cheapest Retailer
-
$383 NZD
$216 USD
Final sale: no returns
A
Retailer 2
-
$472 NZD
£210 GBP
View
B+
Retailer 3
-
$571 NZD
$322 USD
View
A
Retailer 4
-
$725 NZD
€389 EUR
View
B+
Retailer 5
-
$766 NZD
£340 GBP
View
A
Retailer 6
-
$773 NZD
£343 GBP
View
B+
Retailer 7
-
$885 NZD
$499 USD
View
Retailer 8
-
$1,173 NZD
$661 USD
View
Price last confirmed 26 days ago
B
Retailer 9
-
$1,985 NZD
£881 GBP
View
Most Expensive
B
Brilliant Earth
11237803A · Oct 31
$2,271 NZD
$1,280 USD
View
9 more retailers have this diamond
Prices start from $383 NZDSave up to $1,888 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
1.56ct Asscher
$383 NZD