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Cushion|Lab Grown|IGI

1.02ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG778640051

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778640051

Diamond specifications and retailer prices

From €226 EUR
$253 USD
As of October 26, 2026
Save €1,215 EUR (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,441 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778640051 or 778640051. Listed at 15 retailers as of October 26, 2026, with prices from €226 to €1,441, a €1,215 spread on the same certified stone. Brilliant Earth lists it at €1,441. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778640051
Dimensions7.24 × 4.93 × 3.46 mm
L/W Ratio1.47
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
7.24 mm4.93 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778640051
Side View
Table 62.0%Crown 37°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 70.2%

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 26
Current: €1,441 EUR|Low: €226 EUR|High: €1,486 EUR|Avg: €635 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 3€226 EUR
Retailer 15€252 EUR
Retailer 2€414 EUR
Retailer 4€427 EUR
Retailer 10€432 EUR
Retailer 8€448 EUR
Retailer 6€460 EUR
Retailer 9€470 EUR
Retailer 5€519 EUR
Retailer 11€614 EUR
Retailer 14€658 EUR
Retailer 16€794 EUR
Retailer 7€856 EUR
Retailer 13€1,014 EUR
Retailer 12€1,141 EUR
Brilliant Earth€1,441 EUR

41 data points across 16 retailers

15 retailers€226 EUR to €1,441 EUR

A
Cheapest Retailer
-
€226 EUR
$253 USD
Final sale: no returns
A
Retailer 2
-
€252 EUR
$281 USD
View
A
Retailer 3
-
€414 EUR
View
A
Retailer 4
-
€427 EUR
$477 USD
View
A
Retailer 5
-
€432 EUR
ZAR 7,800 ZAR
View
A
Retailer 6
-
€460 EUR
$514 USD
View
A
Retailer 7
-
€470 EUR
£413 GBP
View
A
Retailer 8
-
€519 EUR
$580 USD
View
A
Retailer 9
-
€614 EUR
A$1,055 AUD
View
A
Retailer 10
-
€658 EUR
$735 USD
View
B+
Retailer 11
-
€794 EUR
SGD 1,198 SGD
View
B+
Retailer 12
-
€856 EUR
$956 USD
View
Retailer 13
-
€1,014 EUR
£892 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
€1,141 EUR
$1,275 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21417353A · Oct 29
€1,441 EUR
$1,610 USD
View
14 more retailers have this diamond
Prices start from €226 EURSave up to €1,215 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
1.02ct Cushion
€226 EUR