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Cushion|Lab Grown|IGI

1.80ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG744513208

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG744513208

Diamond specifications and retailer prices

From €442 EUR
$494 USD
As of October 30, 2026
Save €2,861 EUR (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,303 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.8ct lab-grown cushion diamond

This 1.8ct 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 LG744513208 or 744513208. Listed at 13 retailers as of October 30, 2026, with prices from €442 to €3,303, a €2,861 spread on the same certified stone. Brilliant Earth lists it at €3,303. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513208
Dimensions8.20 × 6.58 × 4.52 mm
L/W Ratio1.25
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
8.20 mm6.58 mm1.80 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513208
Side View
Table 62.0%Crown 33.9°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 68.7%

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: €3,303 EUR|Low: €442 EUR|High: €3,938 EUR|Avg: €1,628 EUR|-16.1%
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
November 1, 2026
Retailer 5€442 EUR
Retailer 9€578 EUR
Retailer 13€618 EUR
Retailer 8€684 EUR
Retailer 6€772 EUR
Retailer 3€1,006 EUR
Retailer 7€1,104 EUR
Retailer 11€1,276 EUR
Retailer 2€1,742 EUR
Retailer 4€2,790 EUR
Retailer 12€2,922 EUR
Retailer 10€3,079 EUR
Brilliant Earth€3,303 EUR

32 data points across 13 retailers

13 retailers€442 EUR to €3,303 EUR

A
Cheapest Retailer
-
€442 EUR
$494 USD
Final sale: no returns
A
Retailer 2
-
€578 EUR
$646 USD
View
A
Retailer 3
-
€618 EUR
$690 USD
View
A
Retailer 4
-
€684 EUR
$764 USD
View
A
Retailer 5
-
€772 EUR
View
A
Retailer 6
-
€1,006 EUR
$1,124 USD
View
A
Retailer 7
-
€1,104 EUR
A$1,898 AUD
View
A
Retailer 8
-
€1,276 EUR
$1,426 USD
View
B+
Retailer 9
-
€1,742 EUR
£1,532 GBP
View
Retailer 10
-
€2,790 EUR
A$4,796 AUD
View
Price last confirmed 24 days ago
Retailer 11
-
€2,922 EUR
$3,265 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
€3,079 EUR
$3,440 USD
View
Most Expensive
B
Brilliant Earth
16861116Y · Oct 31
€3,303 EUR
$3,690 USD
View
12 more retailers have this diamond
Prices start from €442 EURSave up to €2,861 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
1.80ct Cushion
€442 EUR