Cushion|Lab Grown|IGI

1.81ct D SI2 Cushion Lab Grown Diamond

VG • D/SI2 • IGI LG515211459

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG515211459

Diamond specifications and retailer prices

From €622 EUR
$695 USD
As of October 30, 2026
Save €1,788 EUR (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €2,410 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.81ct lab-grown cushion diamond

This 1.81ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG515211459 or 515211459. Listed at 6 retailers as of October 30, 2026, with prices from €622 to €2,410, a €1,788 spread on the same certified stone. MOH London lists it at €2,410. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.81
Carat
D
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515211459
Dimensions7.83 × 6.30 × 4.41 mm
L/W Ratio1.24
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
7.83 mm6.30 mm1.81 ctD / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515211459
Side View
Table 64.0%Crown 40.4°Girdle: STK-VTKPavilion 33°Culet: NoneDepth 70.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,410 EUR|Low: €622 EUR|High: €2,438 EUR|Avg: €1,104 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6€622 EUR
Retailer 3€840 EUR
Retailer 5€894 EUR
Retailer 2€895 EUR
Retailer 4€1,038 EUR
MOH London€2,410 EUR

42 data points across 6 retailers

6 retailers€622 EUR to €2,410 EUR

B+
Cheapest Retailer
-
€622 EUR
$695 USD
B+
Retailer 2
-
€840 EUR
View
B+
Retailer 3
-
€894 EUR
$999 USD
View
B+
Retailer 4
-
€895 EUR
£787 GBP
View
Retailer 5
-
€1,038 EUR
$1,160 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG515211459 · Nov 1
€2,410 EUR
£2,120 GBP
View
5 more retailers have this diamond
Prices start from €622 EURSave up to €1,788 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.

B+
1.81ct Cushion
€622 EUR