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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816616093

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG816616093

Diamond specifications and retailer prices

From €654 EUR
$731 USD
As of November 1, 2026
Save €3,016 EUR (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,670 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 LG816616093 or 816616093. Listed at 17 retailers as of October 31, 2026, with prices from €654 to €3,670, a €3,016 spread on the same certified stone. Brilliant Earth lists it at €3,670. 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 angle35.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616093
Dimensions6.95 × 6.88 × 4.56 mm
L/W Ratio1.01
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
6.95 mm6.88 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616093
Side View
Table 62.0%Crown 35.7°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 66.3%

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: €3,670 EUR|Low: €602 EUR|High: €5,245 EUR|Avg: €1,902 EUR|-30.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 2€654 EUR
Retailer 9€657 EUR
Retailer 15€770 EUR
Retailer 5€1,022 EUR
Retailer 11€1,034 EUR
Retailer 12€1,140 EUR
Retailer 14€1,146 EUR
Retailer 16€1,369 EUR
Retailer 6€1,441 EUR
Retailer 4€1,937 EUR
Retailer 17€2,156 EUR
Retailer 13€2,274 EUR
Retailer 7€2,369 EUR
Retailer 3€2,501 EUR
Retailer 10€2,894 EUR
Retailer 8€3,178 EUR
Brilliant Earth€3,670 EUR

29 data points across 17 retailers

17 retailers€654 EUR to €3,670 EUR

A
Cheapest Retailer
-
€654 EUR
$731 USD
Final sale: no returns
Retailer 2
-
€657 EUR
$734 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
€770 EUR
$860 USD
View
A
Retailer 4
-
€1,022 EUR
$1,142 USD
View
A
Retailer 5
-
€1,034 EUR
£910 GBP
View
A
Retailer 6
-
€1,140 EUR
View
A
Retailer 7
-
€1,146 EUR
ZAR 20,676 ZAR
View
A
Retailer 8
-
€1,369 EUR
$1,530 USD
View
A
Retailer 9
-
€1,441 EUR
$1,610 USD
View
B+
Retailer 10
-
€1,937 EUR
£1,704 GBP
View
B+
Retailer 11
-
€2,156 EUR
$2,408 USD
View
B+
Retailer 12
-
€2,274 EUR
$2,540 USD
View
B+
Retailer 13
-
€2,369 EUR
SGD 3,576 SGD
View
B+
Retailer 14
-
€2,501 EUR
$2,794 USD
View
B
Retailer 15
-
€2,894 EUR
£2,546 GBP
View
B+
Retailer 16
-
€3,178 EUR
$3,550 USD
View
Most Expensive
B
Brilliant Earth
21421165A · Oct 31
€3,670 EUR
$4,100 USD
View
16 more retailers have this diamond
Prices start from €654 EURSave up to €3,016 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
€654 EUR