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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 €427 EUR
$477 USD
As of October 30, 2026
Save €1,340 EUR (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,767 EUR at Brilliance · As of October 30, 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 October 30, 2026, with prices from €427 to €1,767, a €1,340 spread on the same certified stone. Brilliance lists it at €1,767. 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
Color
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: Oct 30
Current: €1,753 EUR|Low: €427 EUR|High: €1,916 EUR|Avg: €988 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
October 30, 2026
Retailer 3€427 EUR
Retailer 13€473 EUR
Retailer 11€671 EUR
Retailer 5€687 EUR
Retailer 2€744 EUR
Retailer 8€769 EUR
Retailer 6€779 EUR
Retailer 10€812 EUR
Retailer 7€1,100 EUR
Retailer 12€1,490 EUR
Retailer 4€1,499 EUR
Retailer 9€1,744 EUR
Brilliance€1,753 EUR

43 data points across 13 retailers

18 retailers€427 EUR to €1,767 EUR

A
Cheapest Retailer
-
€427 EUR
$477 USD
Final sale: no returns
A
Retailer 2
-
€473 EUR
$528 USD
View
A
Retailer 3
-
€516 EUR
HK$4,500 HKD
View
A
Retailer 4
-
€671 EUR
$750 USD
View
A
Retailer 5
-
€687 EUR
$768 USD
View
A
Retailer 6
-
€744 EUR
$831 USD
View
A
Retailer 7
-
€769 EUR
View
A
Retailer 8
-
€779 EUR
£685 GBP
View
A
Retailer 9
-
€812 EUR
ZAR 14,649 ZAR
View
A
Retailer 10
-
€863 EUR
$964 USD
View
A
Retailer 11
-
€1,100 EUR
A$1,890 AUD
View
B+
Retailer 12
-
€1,378 EUR
£1,212 GBP
View
Retailer 13
-
€1,490 EUR
$1,665 USD
View
Price last confirmed 13 days ago
B+
Retailer 14
-
€1,499 EUR
SGD 2,263 SGD
View
B+
Retailer 15
-
€1,548 EUR
$1,729 USD
View
B+
Retailer 16
-
€1,744 EUR
£1,534 GBP
View
B+
Retailer 17
-
€1,753 EUR
$1,958 USD
View
Most Expensive
B+
Brilliance
D24969707 · Oct 30
€1,767 EUR
$1,974 USD
View
17 more retailers have this diamond
Prices start from €427 EURSave up to €1,340 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
€427 EUR