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Cushion|Lab Grown|IGI

1.65ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG836620508

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836620508

Diamond specifications and retailer prices

From €573 EUR
$640 USD
As of October 30, 2026
Save €2,461 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,034 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620508 or 836620508. Listed at 15 retailers as of October 30, 2026, with prices from €573 to €3,034, a €2,461 spread on the same certified stone. Brilliant Earth lists it at €3,034. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620508
Dimensions8.80 × 5.94 × 4.01 mm
L/W Ratio1.48
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
8.80 mm5.94 mm1.65 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620508
Side View
Table 63.0%Crown 32.6°Girdle: MED-THKPavilion 34.7°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
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: €3,034 EUR|Low: €573 EUR|High: €3,867 EUR|Avg: €1,708 EUR|-21.5%
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
October 30, 2026
Retailer 15€573 EUR
Retailer 7€677 EUR
Retailer 12€721 EUR
Retailer 4€964 EUR
Retailer 8€977 EUR
Retailer 9€1,012 EUR
Retailer 11€1,076 EUR
Retailer 13€1,147 EUR
Retailer 5€1,409 EUR
Retailer 3€1,828 EUR
Retailer 14€2,029 EUR
Retailer 2€2,189 EUR
Retailer 6€2,730 EUR
Retailer 10€2,732 EUR
Brilliant Earth€3,034 EUR

31 data points across 15 retailers

15 retailers€573 EUR to €3,034 EUR

A
Cheapest Retailer
-
€573 EUR
$640 USD
Final sale: no returns
Retailer 2
-
€677 EUR
$756 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
€721 EUR
$805 USD
View
A
Retailer 4
-
€964 EUR
$1,077 USD
View
A
Retailer 5
-
€977 EUR
£859 GBP
View
A
Retailer 6
-
€1,012 EUR
View
A
Retailer 7
-
€1,076 EUR
ZAR 19,413 ZAR
View
A
Retailer 8
-
€1,147 EUR
$1,281 USD
View
A
Retailer 9
-
€1,409 EUR
$1,574 USD
View
B+
Retailer 10
-
€1,828 EUR
£1,608 GBP
View
B+
Retailer 11
-
€2,029 EUR
$2,266 USD
View
B+
Retailer 12
-
€2,189 EUR
$2,446 USD
View
Retailer 13
-
€2,730 EUR
$3,050 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
€2,732 EUR
£2,403 GBP
View
Most Expensive
B
Brilliant Earth
21589063A · Oct 30
€3,034 EUR
$3,390 USD
View
14 more retailers have this diamond
Prices start from €573 EURSave up to €2,461 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
1.65ct Cushion
€573 EUR