Cushion|Lab Grown|IGI

1.89ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG839647791

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839647791

Diamond specifications and retailer prices

From €544 EUR
$606 USD
As of October 27, 2026
Save €3,921 EUR (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,465 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown cushion diamond

This 1.89ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839647791 or 839647791. Listed at 19 retailers as of October 27, 2026, with prices from €544 to €4,465, a €3,921 spread on the same certified stone. Brilliant Earth lists it at €4,465. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647791
Dimensions8.72 × 6.26 × 3.95 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.72 mm6.26 mm1.89 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647791
Side View
Table 66.0%Crown 33.6°Girdle: MED-THKPavilion 32.8°Culet: NoneDepth 63.1%

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 27
Current: €4,465 EUR|Low: €544 EUR|High: €4,465 EUR|Avg: €1,641 EUR
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
October 29, 2026
Retailer 9€544 EUR
Retailer 3€624 EUR
Retailer 17€656 EUR
Retailer 6€728 EUR
Retailer 2€875 EUR
Retailer 4€932 EUR
Retailer 14€934 EUR
Retailer 16€1,028 EUR
Retailer 18€1,413 EUR
Retailer 8€1,444 EUR
Retailer 5€1,753 EUR
Retailer 13€1,886 EUR
Retailer 7€1,942 EUR
Retailer 11€1,959 EUR
Retailer 10€2,052 EUR
Retailer 15€2,522 EUR
Retailer 12€2,619 EUR
Retailer 19€2,619 EUR
Brilliant Earth€4,465 EUR

23 data points across 19 retailers

19 retailers€544 EUR to €4,465 EUR

A
Cheapest Retailer
-
€544 EUR
$606 USD
Final sale: no returns
Retailer 2
-
€624 EUR
£547 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
€656 EUR
HK$5,700 HKD
View
A
Retailer 4
-
€728 EUR
$810 USD
View
A
Retailer 5
-
€875 EUR
View
A
Retailer 6
-
€932 EUR
$1,037 USD
View
A
Retailer 7
-
€934 EUR
£819 GBP
View
A
Retailer 8
-
€1,028 EUR
ZAR 18,478 ZAR
View
Retailer 9
-
€1,413 EUR
A$2,420 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
€1,444 EUR
$1,607 USD
View
B+
Retailer 11
-
€1,753 EUR
£1,536 GBP
View
B+
Retailer 12
-
€1,886 EUR
SGD 2,837 SGD
View
B+
Retailer 13
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€1,942 EUR
$2,162 USD
View
B+
Retailer 14
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€1,959 EUR
$2,180 USD
View
B+
Retailer 15
-
€2,052 EUR
$2,283 USD
View
B+
Retailer 16
-
€2,522 EUR
£2,210 GBP
View
B+
Retailer 17
-
€2,619 EUR
$2,915 USD
View
B+
Retailer 18
-
€2,619 EUR
$2,915 USD
View
Most Expensive
B
Brilliant Earth
21808108A · Oct 29
€4,465 EUR
$4,970 USD
View
18 more retailers have this diamond
Prices start from €544 EURSave up to €3,921 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
1.89ct Cushion
€544 EUR