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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 €192 EUR
$215 USD
As of October 30, 2026
Save €944 EUR (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,137 EUR 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 €192 to €1,137, a €944 spread on the same certified stone. Brilliant Earth lists it at €1,137. 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
Color
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: Oct 30
Current: €1,137 EUR|Low: €160 EUR|High: €1,450 EUR|Avg: €591 EUR|-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€192 EUR
Retailer 3€250 EUR
Retailer 7€286 EUR
Retailer 2€384 EUR
Retailer 8€385 EUR
Retailer 6€445 EUR
Retailer 5€453 EUR
Retailer 4€541 EUR
Retailer 10€733 EUR
Retailer 11€1,003 EUR
Brilliant Earth€1,137 EUR

43 data points across 11 retailers

11 retailers€192 EUR to €1,137 EUR

A
Cheapest Retailer
-
€192 EUR
$215 USD
Final sale: no returns
Retailer 2
-
€250 EUR
$279 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€286 EUR
$320 USD
View
A
Retailer 4
-
€384 EUR
£338 GBP
View
A
Retailer 5
-
€385 EUR
£338 GBP
View
A
Retailer 6
-
€445 EUR
$497 USD
View
A
Retailer 7
-
€453 EUR
View
B+
Retailer 8
-
€541 EUR
$604 USD
View
B
Retailer 9
-
€733 EUR
$818 USD
View
Retailer 10
-
€1,003 EUR
£882 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
14223381A · Oct 30
€1,137 EUR
$1,270 USD
View
10 more retailers have this diamond
Prices start from €192 EURSave up to €944 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
1.55ct Asscher
€192 EUR