CaratHunter
Plans
Asscher|Lab Grown|IGI

1.54ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG529258404

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG529258404

Diamond specifications and retailer prices

From $380 NZD
$214 USD
As of October 30, 2026
Save $1,856 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,236 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.54ct lab-grown asscher diamond

This 1.54ct 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 LG529258404 or 529258404. Listed at 11 retailers as of October 30, 2026, with prices from $380 to $2,236, a $1,856 spread on the same certified stone. Brilliant Earth lists it at $2,236. 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

1.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.3°
Pavilion angle46.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529258404
Dimensions6.29 × 6.14 × 4.30 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
6.29 mm6.14 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529258404
Side View
Table 64.5%Crown 28.3°Girdle: MediumPavilion 46.5°Culet: NoneDepth 70.0%

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: Oct 30
Current: $2,236 NZD|Low: $316 NZD|High: $2,857 NZD|Avg: $1,156 NZD|-21.7%
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$380 NZD
Retailer 3$493 NZD
Retailer 8$568 NZD
Retailer 9$758 NZD
Retailer 2$764 NZD
Retailer 7$880 NZD
Retailer 5$894 NZD
Retailer 4$1,065 NZD
Retailer 11$1,445 NZD
Retailer 6$1,972 NZD
Brilliant Earth$2,236 NZD

42 data points across 11 retailers

11 retailers$380 NZD to $2,236 NZD

A
Cheapest Retailer
-
$380 NZD
$214 USD
Final sale: no returns
A
Retailer 2
-
$493 NZD
$278 USD
View
B+
Retailer 3
-
$568 NZD
$320 USD
View
A
Retailer 4
-
$758 NZD
£336 GBP
View
A
Retailer 5
-
$764 NZD
£339 GBP
View
A
Retailer 6
-
$880 NZD
$496 USD
View
A
Retailer 7
-
$894 NZD
€480 EUR
View
B+
Retailer 8
-
$1,065 NZD
$600 USD
View
B
Retailer 9
-
$1,445 NZD
$814 USD
View
B
Retailer 10
-
$1,972 NZD
£875 GBP
View
Most Expensive
B
Brilliant Earth
14223675A · Oct 30
$2,236 NZD
$1,260 USD
View
10 more retailers have this diamond
Prices start from $380 NZDSave up to $1,856 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
1.54ct Asscher
$380 NZD