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Cushion|Lab Grown|IGI

1.53ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG529245188

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG529245188

Diamond specifications and retailer prices

From €253 EUR
As of November 6, 2026
Save €865 EUR (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,118 EUR at MOH London · As of November 7, 2026
View at MOH London

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion 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 LG529245188 or 529245188. Listed at 16 retailers as of November 6, 2026, with prices from €253 to €1,118, a €865 spread on the same certified stone. MOH London lists it at €1,118. 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

1.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529245188
Dimensions6.65 × 6.60 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.65 mm6.60 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529245188
Side View
Table 64.0%Crown 35.2°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,118 EUR|Low: €280 EUR|High: €1,137 EUR|Avg: €608 EUR|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 12€280 EUR
Retailer 6€312 EUR
Retailer 4€376 EUR
Retailer 10€425 EUR
Retailer 8€501 EUR
Retailer 7€528 EUR
Retailer 2€595 EUR
Retailer 9€713 EUR
Retailer 3€923 EUR
Retailer 5€996 EUR
Retailer 11€1,030 EUR
MOH London€1,118 EUR

40 data points across 12 retailers

16 retailers€253 EUR to €1,118 EUR

A
Cheapest Retailer
-
€253 EUR
Final sale: no returns
A
Retailer 2
-
€280 EUR
View
A
Retailer 3
-
€312 EUR
View
B+
Retailer 4
-
€376 EUR
View
A
Retailer 5
-
€425 EUR
View
A
Retailer 6
-
€468 EUR
View
A
Retailer 7
-
€501 EUR
View
B+
Retailer 8
-
€517 EUR
View
A
Retailer 9
-
€528 EUR
View
B+
Retailer 10
-
€595 EUR
View
B+
Retailer 11
-
€713 EUR
View
Retailer 12
-
€923 EUR
View
Price last confirmed 17 days ago
B
Retailer 13
-
€948 EUR
View
B
Retailer 14
-
€996 EUR
View
B
Retailer 15
-
€1,030 EUR
View
Most Expensive
B
MOH London
LG529245188 · Nov 7
€1,118 EUR
£983 GBP
View
15 more retailers have this diamond
Prices start from €253 EURSave up to €865 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
1.53ct Cushion
€253 EUR