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Cushion|Lab Grown|IGI

1.83ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG683520322

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG683520322

Diamond specifications and retailer prices

From €396 EUR
$442 USD
As of October 30, 2026
Save €2,970 EUR (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,366 EUR at Brilliant Earth · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683520322 or 683520322. Listed at 21 retailers as of October 30, 2026, with prices from €396 to €3,366, a €2,970 spread on the same certified stone. Brilliant Earth lists it at €3,366. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683520322
Dimensions8.77 × 6.41 × 4.28 mm
L/W Ratio1.37
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
8.77 mm6.41 mm1.83 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683520322
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 66.8%

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: €3,366 EUR|Low: €396 EUR|High: €4,735 EUR|Avg: €1,540 EUR|-28.9%
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
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 9€396 EUR
Retailer 3€516 EUR
Retailer 18€596 EUR
Retailer 12€627 EUR
Retailer 16€631 EUR
Retailer 4€669 EUR
Retailer 13€697 EUR
Retailer 2€801 EUR
Retailer 15€833 EUR
Retailer 20€1,023 EUR
Retailer 14€1,129 EUR
Retailer 8€1,419 EUR
Retailer 6€1,620 EUR
Retailer 7€1,644 EUR
Retailer 11€1,694 EUR
Retailer 10€1,723 EUR
Retailer 17€1,784 EUR
Retailer 19€2,922 EUR
Retailer 5€3,151 EUR
Brilliant Earth€3,366 EUR

42 data points across 20 retailers

21 retailers€396 EUR to €3,366 EUR

A
Cheapest Retailer
-
€396 EUR
$442 USD
Final sale: no returns
Retailer 2
-
€516 EUR
£454 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
€596 EUR
HK$5,200 HKD
View
Retailer 4
-
€627 EUR
$701 USD
View
Price last confirmed 19 days ago
A
Retailer 5
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€631 EUR
$705 USD
View
A
Retailer 6
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€669 EUR
$747 USD
View
A
Retailer 7
-
€697 EUR
$779 USD
View
A
Retailer 8
-
€801 EUR
£705 GBP
View
A
Retailer 9
-
€833 EUR
ZAR 15,043 ZAR
View
A
Retailer 10
-
€1,023 EUR
$1,143 USD
View
A
Retailer 11
-
€1,129 EUR
A$1,941 AUD
View
A
Retailer 12
-
€1,419 EUR
£1,248 GBP
View
B+
Retailer 13
-
€1,620 EUR
$1,810 USD
View
B+
Retailer 14
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€1,644 EUR
$1,837 USD
View
B+
Retailer 15
-
€1,694 EUR
$1,892 USD
View
B+
Retailer 16
-
€1,723 EUR
SGD 2,601 SGD
View
B+
Retailer 17
-
€1,784 EUR
£1,569 GBP
View
Retailer 18
-
€2,922 EUR
$3,265 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
€3,024 EUR
£2,660 GBP
View
B
Retailer 20
-
€3,151 EUR
$3,520 USD
View
Most Expensive
B
Brilliant Earth
20467239Y · Oct 30
€3,366 EUR
$3,760 USD
View
20 more retailers have this diamond
Prices start from €396 EURSave up to €2,970 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
€396 EUR