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Cushion|Lab Grown|IGI

1.51ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818655823

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818655823

Diamond specifications and retailer prices

From €836 EUR
HK$7,300 HKD
As of October 31, 2026
Save €2,027 EUR (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,864 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818655823 or 818655823. Listed at 11 retailers as of October 31, 2026, with prices from €836 to €2,864, a €2,027 spread on the same certified stone. MOH London lists it at €2,864. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818655823
Dimensions7.64 × 6.10 × 4.00 mm
L/W Ratio1.25
Girdle conditionFaceted
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
7.64 mm6.10 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818655823
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 65.6%

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 31
Current: €2,864 EUR|Low: €836 EUR|High: €3,342 EUR|Avg: €1,793 EUR|-13.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6€836 EUR
Retailer 8€1,011 EUR
Retailer 9€1,025 EUR
Retailer 2€1,078 EUR
Retailer 4€1,108 EUR
Retailer 5€1,238 EUR
Retailer 7€1,725 EUR
Retailer 11€2,318 EUR
Retailer 3€2,345 EUR
Retailer 10€2,547 EUR
MOH London€2,864 EUR

42 data points across 11 retailers

11 retailers€836 EUR to €2,864 EUR

A
Cheapest Retailer
-
€836 EUR
HK$7,300 HKD
A
Retailer 2
-
€1,011 EUR
$1,130 USD
View
A
Retailer 3
-
€1,025 EUR
$1,145 USD
View
A
Retailer 4
-
€1,078 EUR
£948 GBP
View
A
Retailer 5
-
€1,108 EUR
View
Retailer 6
-
€1,238 EUR
ZAR 22,340 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€1,725 EUR
$1,927 USD
View
B
Retailer 8
-
€2,318 EUR
$2,590 USD
View
B
Retailer 9
-
€2,345 EUR
$2,620 USD
View
B
Retailer 10
-
€2,547 EUR
$2,846 USD
View
Most Expensive
B
MOH London
LG818655823 · Nov 1
€2,864 EUR
£2,519 GBP
View
10 more retailers have this diamond
Prices start from €836 EURSave up to €2,027 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
1.51ct Cushion
€836 EUR