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Asscher|Lab Grown|IGI

1.50ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG517289274

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG517289274

Diamond specifications and retailer prices

From €187 EUR
$209 USD
As of October 30, 2026
Save €914 EUR (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,101 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown asscher diamond

This 1.5ct 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 LG517289274 or 517289274. Listed at 13 retailers as of October 30, 2026, with prices from €187 to €1,101, a €914 spread on the same certified stone. Brilliant Earth lists it at €1,101. 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

1.50
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26°
Pavilion angle45°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517289274
Dimensions6.40 × 6.29 × 4.19 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
6.40 mm6.29 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517289274
Side View
Table 64.0%Crown 26°Girdle: MediumPavilion 45°Culet: NoneDepth 66.6%

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: €1,101 EUR|Low: €156 EUR|High: €1,414 EUR|Avg: €591 EUR|-22.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10€187 EUR
Retailer 4€243 EUR
Retailer 8€279 EUR
Retailer 9€374 EUR
Retailer 2€375 EUR
Retailer 7€438 EUR
Retailer 6€442 EUR
Retailer 5€523 EUR
Retailer 11€714 EUR
Retailer 3€837 EUR
Retailer 12€974 EUR
Brilliant Earth€1,101 EUR

43 data points across 12 retailers

13 retailers€187 EUR to €1,101 EUR

A
Cheapest Retailer
-
€187 EUR
$209 USD
Final sale: no returns
Retailer 2
-
€243 EUR
$271 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€279 EUR
$312 USD
View
A
Retailer 4
-
€374 EUR
£329 GBP
View
A
Retailer 5
-
€375 EUR
£330 GBP
View
A
Retailer 6
-
€438 EUR
$489 USD
View
A
Retailer 7
-
€442 EUR
View
B+
Retailer 8
-
€523 EUR
$584 USD
View
B+
Retailer 9
-
€714 EUR
$798 USD
View
Retailer 10
-
€837 EUR
$935 USD
View
Price last confirmed 11 days ago
B
Retailer 11
-
€974 EUR
£857 GBP
View
B
Retailer 12
-
€1,101 EUR
$1,230 USD
View
Most Expensive
B
Brilliant Earth
15296613A · Oct 31
€1,101 EUR
$1,230 USD
View
12 more retailers have this diamond
Prices start from €187 EURSave up to €914 EUR

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
1.50ct Asscher
€187 EUR