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Cushion|Lab Grown|IGI

1.20ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG805666656

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

Certificate IGI LG805666656

Diamond specifications and retailer prices

From €188 EUR
$210 USD
As of October 31, 2026
Save €931 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,119 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 LG805666656 or 805666656. Listed at 16 retailers as of October 29, 2026, with prices from €188 to €1,119, a €931 spread on the same certified stone. Brilliant Earth lists it at €1,119. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805666656
Dimensions6.19 × 6.14 × 4.03 mm
L/W Ratio1.01
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
6.19 mm6.14 mm1.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805666656
Side View
Table 64.0%Crown 38°Girdle: STK-THKPavilion 38.4°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: €1,119 EUR|Low: €182 EUR|High: €1,119 EUR|Avg: €557 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
Retailer 18
October 31, 2026
Retailer 11€188 EUR
Retailer 5€209 EUR
Retailer 16€261 EUR
Retailer 8€318 EUR
Retailer 2€348 EUR
Retailer 14€365 EUR
Retailer 12€378 EUR
Retailer 13€383 EUR
Retailer 9€496 EUR
Retailer 7€497 EUR
Retailer 6€512 EUR
Retailer 3€586 EUR
Retailer 4€608 EUR
Retailer 17€717 EUR
Retailer 18€949 EUR
Retailer 10€1,009 EUR
Retailer 15€1,033 EUR
Brilliant Earth€1,119 EUR

17 data points across 18 retailers

16 retailers€188 EUR to €1,119 EUR

A
Cheapest Retailer
-
€188 EUR
$210 USD
Final sale: no returns
A
Retailer 2
-
€209 EUR
$234 USD
View
A
Retailer 3
-
€261 EUR
£230 GBP
View
A
Retailer 4
-
€348 EUR
View
A
Retailer 5
-
€365 EUR
$408 USD
View
A
Retailer 6
-
€378 EUR
£332 GBP
View
A
Retailer 7
-
€383 EUR
$428 USD
View
B+
Retailer 8
-
€497 EUR
$555 USD
View
Retailer 9
-
€512 EUR
A$880 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€573 EUR
$640 USD
View
B+
Retailer 11
-
€586 EUR
$655 USD
View
B+
Retailer 12
-
€608 EUR
A$1,045 AUD
View
B+
Retailer 13
-
€717 EUR
$801 USD
View
B
Retailer 14
-
€949 EUR
£835 GBP
View
B
Retailer 15
-
€1,033 EUR
$1,154 USD
View
Most Expensive
B
Brilliant Earth
20079173A · Oct 29
€1,119 EUR
$1,250 USD
View
15 more retailers have this diamond
Prices start from €188 EURSave up to €931 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
€188 EUR