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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846662376

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662376

Diamond specifications and retailer prices

From €691 EUR
£608 GBP
As of November 1, 2026
Save €3,480 EUR (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,171 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.83ct lab-grown cushion diamond

This 1.83ct 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 LG846662376 or 846662376. Listed at 10 retailers as of October 31, 2026, with prices from €691 to €4,171, a €3,480 spread on the same certified stone. Brilliant Earth lists it at €4,171. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662376
Dimensions8.93 × 6.27 × 4.06 mm
L/W Ratio1.42
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
8.93 mm6.27 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662376
Side View
Table 62.0%Crown 34.4°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
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: €4,171 EUR|Low: €691 EUR|High: €7,039 EUR|Avg: €2,628 EUR|-20.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4€691 EUR
Retailer 3€1,004 EUR
Retailer 10€1,092 EUR
Retailer 5€1,405 EUR
Retailer 7€1,827 EUR
Retailer 6€2,225 EUR
Retailer 8€2,448 EUR
Retailer 2€3,173 EUR
Retailer 9€3,311 EUR
Brilliant Earth€4,171 EUR

14 data points across 10 retailers

10 retailers€691 EUR to €4,171 EUR

A
Cheapest Retailer
-
€691 EUR
£608 GBP
A
Retailer 2
-
€1,004 EUR
$1,122 USD
View
A
Retailer 3
-
€1,092 EUR
$1,220 USD
View
A
Retailer 4
-
€1,405 EUR
$1,570 USD
View
B+
Retailer 5
-
€1,827 EUR
View
B+
Retailer 6
-
€2,225 EUR
$2,486 USD
View
B+
Retailer 7
-
€2,448 EUR
$2,735 USD
View
B
Retailer 8
-
€3,173 EUR
$3,545 USD
View
B+
Retailer 9
-
€3,311 EUR
£2,913 GBP
View
Most Expensive
B
Brilliant Earth
22154883A · Oct 31
€4,171 EUR
$4,660 USD
View
9 more retailers have this diamond
Prices start from €691 EURSave up to €3,480 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
1.83ct Cushion
€691 EUR