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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 €653 EUR
HK$5,700 HKD
As of October 31, 2026
Save €2,775 EUR (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,428 EUR at Brilliant Earth · As of October 31, 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 31, 2026, with prices from €653 to €3,428, a €2,775 spread on the same certified stone. Brilliant Earth lists it at €3,428. 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
Color
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

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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 31
Current: €3,428 EUR|Low: €542 EUR|High: €4,449 EUR|Avg: €1,628 EUR|-22.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 20
October 31, 2026
Retailer 10€542 EUR
Retailer 4€622 EUR
Retailer 19€653 EUR
Retailer 7€725 EUR
Retailer 2€866 EUR
Retailer 5€928 EUR
Retailer 16€931 EUR
Retailer 18€1,024 EUR
Retailer 13€1,332 EUR
Retailer 20€1,408 EUR
Retailer 9€1,438 EUR
Retailer 6€1,746 EUR
Retailer 15€1,879 EUR
Retailer 8€1,935 EUR
Retailer 12€1,951 EUR
Retailer 11€2,044 EUR
Retailer 17€2,512 EUR
Retailer 3€2,609 EUR
Retailer 14€2,609 EUR
Brilliant Earth€3,428 EUR

25 data points across 20 retailers

19 retailers€653 EUR to €3,428 EUR

Retailer 1
-
€622 EUR
£547 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
€653 EUR
HK$5,700 HKD
View
A
Retailer 3
-
€725 EUR
$810 USD
View
A
Retailer 4
-
€866 EUR
View
A
Retailer 5
-
€928 EUR
$1,037 USD
View
A
Retailer 6
-
€931 EUR
£819 GBP
View
Retailer 7
-
€1,024 EUR
ZAR 18,478 ZAR
View
Price last confirmed 8 days ago
A
Retailer 8
-
€1,332 EUR
$1,488 USD
View
Retailer 9
-
€1,408 EUR
A$2,420 AUD
View
Price last confirmed 11 days ago
A
Retailer 10
-
€1,438 EUR
$1,607 USD
View
B+
Retailer 11
-
€1,746 EUR
£1,536 GBP
View
B+
Retailer 12
-
€1,879 EUR
SGD 2,837 SGD
View
B+
Retailer 13
-
€1,935 EUR
$2,162 USD
View
B+
Retailer 14
-
€1,951 EUR
$2,180 USD
View
Retailer 15
-
€2,044 EUR
$2,283 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
€2,512 EUR
£2,210 GBP
View
B+
Retailer 17
-
€2,609 EUR
$2,915 USD
View
B+
Retailer 18
-
€2,609 EUR
$2,915 USD
View
Most Expensive
B
Brilliant Earth
21808108A · Oct 31
€3,428 EUR
$3,830 USD
View
18 more retailers have this diamond
Prices start from €653 EURSave up to €2,775 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
€653 EUR