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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 $307 AUD
$215 USD
As of November 1, 2026
Save $1,505 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,812 AUD 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 $307 to $1,812, a $1,505 spread on the same certified stone. Brilliant Earth lists it at $1,812. 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: $1,812 AUD|Low: $307 AUD|High: $2,312 AUD|Avg: $939 AUD|-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 2, 2026
Retailer 9$307 AUD
Retailer 3$398 AUD
Retailer 7$457 AUD
Retailer 8$613 AUD
Retailer 2$618 AUD
Retailer 6$709 AUD
Retailer 5$722 AUD
Retailer 4$862 AUD
Retailer 10$1,168 AUD
Retailer 11$1,598 AUD
Brilliant Earth$1,812 AUD

42 data points across 11 retailers

11 retailers$307 AUD to $1,812 AUD

A
Cheapest Retailer
-
$307 AUD
$215 USD
Final sale: no returns
Retailer 2
-
$398 AUD
$279 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$457 AUD
$320 USD
View
A
Retailer 4
-
$613 AUD
£338 GBP
View
A
Retailer 5
-
$618 AUD
£341 GBP
View
A
Retailer 6
-
$709 AUD
$497 USD
View
A
Retailer 7
-
$722 AUD
€482 EUR
View
B+
Retailer 8
-
$862 AUD
$604 USD
View
B
Retailer 9
-
$1,168 AUD
$818 USD
View
Retailer 10
-
$1,598 AUD
£882 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
14223381A · Oct 30
$1,812 AUD
$1,270 USD
View
10 more retailers have this diamond
Prices start from $307 AUDSave up to $1,505 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
1.55ct Asscher
$307 AUD