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Cushion|Lab Grown|IGI

1.89ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG836607909

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836607909

Diamond specifications and retailer prices

From €661 EUR
$739 USD
As of November 1, 2026
Save €3,366 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,028 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836607909 or 836607909. Listed at 17 retailers as of October 31, 2026, with prices from €661 to €4,028, a €3,366 spread on the same certified stone. Brilliant Earth lists it at €4,028. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836607909
Dimensions9.08 × 6.22 × 4.18 mm
L/W Ratio1.46
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
9.08 mm6.22 mm1.89 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836607909
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 67.2%

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: Nov 1
Current: €4,028 EUR|Low: €661 EUR|High: €5,424 EUR|Avg: €1,895 EUR|-25.7%
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
November 1, 2026
Retailer 5€661 EUR
Retailer 9€727 EUR
Retailer 10€765 EUR
Retailer 13€837 EUR
Retailer 11€1,072 EUR
Retailer 16€1,104 EUR
Retailer 12€1,152 EUR
Retailer 15€1,243 EUR
Retailer 17€1,463 EUR
Retailer 14€1,570 EUR
Retailer 4€2,101 EUR
Retailer 6€2,219 EUR
Retailer 3€2,334 EUR
Retailer 7€2,394 EUR
Retailer 2€2,850 EUR
Retailer 8€3,289 EUR
Brilliant Earth€4,028 EUR

28 data points across 17 retailers

17 retailers€661 EUR to €4,028 EUR

A
Cheapest Retailer
-
€661 EUR
$739 USD
Final sale: no returns
Retailer 2
-
€727 EUR
$812 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
€765 EUR
£673 GBP
View
A
Retailer 4
-
€837 EUR
$935 USD
View
A
Retailer 5
-
€1,072 EUR
£943 GBP
View
A
Retailer 6
-
€1,104 EUR
$1,233 USD
View
A
Retailer 7
-
€1,152 EUR
View
A
Retailer 8
-
€1,243 EUR
ZAR 22,430 ZAR
View
A
Retailer 9
-
€1,463 EUR
$1,634 USD
View
B+
Retailer 10
-
€1,570 EUR
$1,754 USD
View
B+
Retailer 11
-
€2,101 EUR
£1,848 GBP
View
B+
Retailer 12
-
€2,219 EUR
$2,479 USD
View
B+
Retailer 13
-
€2,334 EUR
$2,607 USD
View
B+
Retailer 14
-
€2,394 EUR
SGD 3,615 SGD
View
B+
Retailer 15
-
€2,850 EUR
£2,507 GBP
View
Retailer 16
-
€3,289 EUR
$3,675 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21640937A · Oct 31
€4,028 EUR
$4,500 USD
View
16 more retailers have this diamond
Prices start from €661 EURSave up to €3,366 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
€661 EUR