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Cushion|Lab Grown|IGI

1.20ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG803604001

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG803604001

Diamond specifications and retailer prices

From €208 EUR
$232 USD
As of October 29, 2026
Save €915 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,123 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.2ct lab-grown cushion diamond

This 1.2ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803604001 or 803604001. Listed at 15 retailers as of October 29, 2026, with prices from €208 to €1,123, a €915 spread on the same certified stone. Brilliant Earth lists it at €1,123. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803604001
Dimensions6.24 × 6.20 × 4.10 mm
L/W Ratio1.01
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
6.24 mm6.20 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803604001
Side View
Table 59.0%Crown 34.6°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 66.1%

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 29
Current: €1,123 EUR|Low: €182 EUR|High: €1,123 EUR|Avg: €509 EUR|+11.6%
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
Retailer 17
October 29, 2026
Retailer 12€208 EUR
Retailer 7€210 EUR
Retailer 14€255 EUR
Retailer 8€320 EUR
Retailer 11€343 EUR
Retailer 3€358 EUR
Retailer 10€365 EUR
Retailer 16€383 EUR
Retailer 9€498 EUR
Retailer 6€499 EUR
Retailer 5€514 EUR
Retailer 15€575 EUR
Retailer 17€610 EUR
Retailer 2€720 EUR
Retailer 13€953 EUR
Retailer 4€1,021 EUR
Brilliant Earth€1,123 EUR

15 data points across 17 retailers

15 retailers€208 EUR to €1,123 EUR

A
Cheapest Retailer
-
€208 EUR
$232 USD
Final sale: no returns
A
Retailer 2
-
€210 EUR
$234 USD
View
A
Retailer 3
-
€255 EUR
£224 GBP
View
A
Retailer 4
-
€343 EUR
View
A
Retailer 5
-
€358 EUR
$399 USD
View
A
Retailer 6
-
€365 EUR
£320 GBP
View
A
Retailer 7
-
€383 EUR
$426 USD
View
B+
Retailer 8
-
€499 EUR
$555 USD
View
B+
Retailer 9
-
€514 EUR
A$880 AUD
View
B+
Retailer 10
-
€575 EUR
$640 USD
View
B+
Retailer 11
-
€610 EUR
A$1,045 AUD
View
B+
Retailer 12
-
€720 EUR
$801 USD
View
B
Retailer 13
-
€953 EUR
£835 GBP
View
B
Retailer 14
-
€1,021 EUR
$1,136 USD
View
Most Expensive
B
Brilliant Earth
19740795A · Oct 29
€1,123 EUR
$1,250 USD
View
14 more retailers have this diamond
Prices start from €208 EURSave up to €915 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
1.20ct Cushion
€208 EUR