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Cushion|Lab Grown|IGI

1.51ct G IF Cushion Lab Grown Diamond

ID • G/IF • IGI LG632432416

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG632432416

Diamond specifications and retailer prices

From €425 EUR
As of November 4, 2026
Save €1,334 EUR (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,759 EUR at Brilliance · As of November 5, 2026
View at Brilliance

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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG632432416 or 632432416. Listed at 18 retailers as of November 4, 2026, with prices from €425 to €1,759, a €1,334 spread on the same certified stone. Brilliance lists it at €1,759. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632432416
Dimensions6.68 × 6.67 × 4.54 mm
L/W Ratio1.00
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 Faint Blue
Top View
6.68 mm6.67 mm1.51 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632432416
Side View
Table 66.0%Crown 35°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 68.1%

Caratlytics Score

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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 4
Current: €1,744 EUR|Low: €425 EUR|High: €1,908 EUR|Avg: €989 EUR|-8.5%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 3€425 EUR
Retailer 13€470 EUR
Retailer 9€601 EUR
Retailer 5€684 EUR
Retailer 10€740 EUR
Retailer 8€759 EUR
Retailer 2€767 EUR
Retailer 6€810 EUR
Retailer 11€1,094 EUR
Retailer 12€1,483 EUR
Retailer 4€1,491 EUR
Retailer 7€1,727 EUR
Brilliance€1,744 EUR

45 data points across 13 retailers

18 retailers€425 EUR to €1,759 EUR

A
Cheapest Retailer
-
€425 EUR
Final sale: no returns
Retailer 2
-
€470 EUR
View
Price last confirmed 12 days ago
A
Retailer 3
-
€513 EUR
View
A
Retailer 4
-
€601 EUR
View
A
Retailer 5
-
€684 EUR
View
A
Retailer 6
-
€740 EUR
View
A
Retailer 7
-
€759 EUR
View
A
Retailer 8
-
€767 EUR
View
A
Retailer 9
-
€810 EUR
View
A
Retailer 10
-
€859 EUR
View
Retailer 11
-
€1,094 EUR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
€1,371 EUR
View
Retailer 13
-
€1,483 EUR
View
Price last confirmed 18 days ago
B+
Retailer 14
-
€1,491 EUR
View
B+
Retailer 15
-
€1,540 EUR
View
B+
Retailer 16
-
€1,727 EUR
View
B+
Retailer 17
-
€1,744 EUR
View
Most Expensive
B+
Brilliance
D24969707 · Nov 5
€1,759 EUR
$1,974 USD
View
17 more retailers have this diamond
Prices start from €425 EURSave up to €1,334 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
€425 EUR