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Cushion|Lab Grown|IGI

1.90ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG675592990

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG675592990

Diamond specifications and retailer prices

From €411 EUR
$459 USD
As of October 30, 2026
Save €3,026 EUR (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €3,437 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.9ct lab-grown cushion diamond

This 1.9ct 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 LG675592990 or 675592990. Listed at 22 retailers as of October 30, 2026, with prices from €411 to €3,437, a €3,026 spread on the same certified stone. Brilliant Earth lists it at €3,437. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675592990
Dimensions8.73 × 6.63 × 4.41 mm
L/W Ratio1.32
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
8.73 mm6.63 mm1.90 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675592990
Side View
Table 61.0%Crown 31.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.5%

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: €3,437 EUR|Low: €411 EUR|High: €4,153 EUR|Avg: €1,551 EUR|-17.2%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
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Retailer 12
Retailer 13
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Retailer 20
October 31, 2026
Retailer 8€411 EUR
Retailer 5€455 EUR
Retailer 3€534 EUR
Retailer 18€619 EUR
Retailer 17€653 EUR
Retailer 4€686 EUR
Retailer 13€720 EUR
Retailer 2€831 EUR
Retailer 16€863 EUR
Retailer 20€1,099 EUR
Retailer 14€1,170 EUR
Retailer 7€1,660 EUR
Retailer 10€1,687 EUR
Retailer 11€1,748 EUR
Retailer 9€1,775 EUR
Retailer 15€1,855 EUR
Retailer 12€2,087 EUR
Retailer 19€2,815 EUR
Retailer 6€3,258 EUR
Brilliant Earth€3,437 EUR

30 data points across 20 retailers

22 retailers€411 EUR to €3,437 EUR

A
Cheapest Retailer
-
€411 EUR
$459 USD
Final sale: no returns
A
Retailer 2
-
€455 EUR
$508 USD
View
Retailer 3
-
€534 EUR
£470 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
€619 EUR
HK$5,400 HKD
View
A
Retailer 5
-
€653 EUR
$730 USD
View
A
Retailer 6
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€686 EUR
$766 USD
View
A
Retailer 7
-
€720 EUR
$804 USD
View
A
Retailer 8
-
€831 EUR
£731 GBP
View
A
Retailer 9
-
€863 EUR
ZAR 15,582 ZAR
View
A
Retailer 10
-
€1,099 EUR
$1,228 USD
View
A
Retailer 11
-
€1,170 EUR
A$2,011 AUD
View
B+
Retailer 12
-
€1,660 EUR
$1,855 USD
View
B+
Retailer 13
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€1,687 EUR
$1,885 USD
View
B+
Retailer 14
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€1,748 EUR
$1,953 USD
View
B+
Retailer 15
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€1,775 EUR
SGD 2,680 SGD
View
B+
Retailer 16
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€1,855 EUR
£1,632 GBP
View
Retailer 17
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€2,087 EUR
£1,836 GBP
View
Price last confirmed 17 days ago
Retailer 18
-
€2,815 EUR
$3,145 USD
View
Price last confirmed 10 days ago
B
Retailer 19
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€3,183 EUR
£2,800 GBP
View
Retailer 20
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€3,204 EUR
$3,579 USD
View
Price last confirmed 83 days ago
B
Retailer 21
-
€3,258 EUR
$3,640 USD
View
Most Expensive
B
Brilliant Earth
20152130Y · Oct 30
€3,437 EUR
$3,840 USD
View
21 more retailers have this diamond
Prices start from €411 EURSave up to €3,026 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
1.90ct Cushion
€411 EUR