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Asscher|Lab Grown|IGI

1.55ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG506194480

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG506194480

Diamond specifications and retailer prices

From $381 NZD
$215 USD
As of November 1, 2026
Save $1,872 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,253 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.55ct lab-grown asscher diamond

This 1.55ct 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 top-tier cut grade and certified by IGI LG506194480 or 506194480. Listed at 11 retailers as of October 30, 2026, with prices from $381 to $2,253, a $1,872 spread on the same certified stone. Brilliant Earth lists it at $2,253. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.55
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.1°
Pavilion angle43.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506194480
Dimensions6.43 × 6.28 × 4.17 mm
L/W Ratio1.02
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
6.43 mm6.28 mm1.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506194480
Side View
Table 62.0%Crown 24.1°Girdle: MediumPavilion 43.7°Culet: NoneDepth 66.4%

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: Nov 1
Current: $2,253 NZD|Low: $318 NZD|High: $2,874 NZD|Avg: $1,171 NZD|-21.6%
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 9$381 NZD
Retailer 3$495 NZD
Retailer 7$568 NZD
Retailer 2$762 NZD
Retailer 8$762 NZD
Retailer 6$882 NZD
Retailer 5$898 NZD
Retailer 4$1,072 NZD
Retailer 10$1,452 NZD
Retailer 11$1,987 NZD
Brilliant Earth$2,253 NZD

43 data points across 11 retailers

11 retailers$381 NZD to $2,253 NZD

A
Cheapest Retailer
-
$381 NZD
$215 USD
Final sale: no returns
Retailer 2
-
$495 NZD
$279 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$568 NZD
$320 USD
View
A
Retailer 4
-
$762 NZD
£338 GBP
View
A
Retailer 5
-
$762 NZD
£338 GBP
View
A
Retailer 6
-
$882 NZD
$497 USD
View
A
Retailer 7
-
$898 NZD
€482 EUR
View
B+
Retailer 8
-
$1,072 NZD
$604 USD
View
B
Retailer 9
-
$1,452 NZD
$818 USD
View
Retailer 10
-
$1,987 NZD
£882 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
14223381A · Oct 30
$2,253 NZD
$1,270 USD
View
10 more retailers have this diamond
Prices start from $381 NZDSave up to $1,872 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
1.55ct Asscher
$381 NZD