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Cushion|Lab Grown|IGI

1.89ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG731569199

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731569199

Diamond specifications and retailer prices

From €446 EUR
$498 USD
As of October 30, 2026
Save €3,027 EUR (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,473 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731569199 or 731569199. Listed at 13 retailers as of October 30, 2026, with prices from €446 to €3,473, a €3,027 spread on the same certified stone. Brilliant Earth lists it at €3,473. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731569199
Dimensions8.21 × 6.49 × 4.54 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
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
8.21 mm6.49 mm1.89 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731569199
Side View
Table 61.0%Crown 33.2°Girdle: MED-THKPavilion 37.7°Culet: NoneDepth 70.0%

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 30
Current: €3,473 EUR|Low: €446 EUR|High: €4,135 EUR|Avg: €1,694 EUR|-16.0%
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
October 31, 2026
Retailer 5€446 EUR
Retailer 7€600 EUR
Retailer 13€649 EUR
Retailer 9€712 EUR
Retailer 2€775 EUR
Retailer 3€1,103 EUR
Retailer 6€1,156 EUR
Retailer 11€1,326 EUR
Retailer 10€1,826 EUR
Retailer 4€2,931 EUR
Retailer 12€2,931 EUR
Retailer 8€3,222 EUR
Brilliant Earth€3,473 EUR

31 data points across 13 retailers

13 retailers€446 EUR to €3,473 EUR

A
Cheapest Retailer
-
€446 EUR
$498 USD
Final sale: no returns
A
Retailer 2
-
€600 EUR
$670 USD
View
A
Retailer 3
-
€649 EUR
$725 USD
View
A
Retailer 4
-
€712 EUR
$795 USD
View
A
Retailer 5
-
€775 EUR
View
A
Retailer 6
-
€1,103 EUR
$1,232 USD
View
A
Retailer 7
-
€1,156 EUR
A$1,987 AUD
View
A
Retailer 8
-
€1,326 EUR
$1,481 USD
View
B+
Retailer 9
-
€1,826 EUR
£1,606 GBP
View
Retailer 10
-
€2,931 EUR
A$5,038 AUD
View
Price last confirmed 23 days ago
Retailer 11
-
€2,931 EUR
$3,275 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
€3,222 EUR
$3,600 USD
View
Most Expensive
B
Brilliant Earth
16087970Y · Oct 31
€3,473 EUR
$3,880 USD
View
12 more retailers have this diamond
Prices start from €446 EURSave up to €3,027 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
€446 EUR