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Cushion|Lab Grown|IGI

4.81ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG818623963

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

Certificate IGI LG818623963

Diamond specifications and retailer prices

From €5,758 EUR
$6,433 USD
As of October 31, 2026
Save €29,738 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €35,497 EUR at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.81ct lab-grown cushion diamond

This 4.81ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818623963 or 818623963. Listed at 17 retailers as of October 31, 2026, with prices from €5,758 to €35,497, a €29,738 spread on the same certified stone. Mervis Diamond Importers lists it at €35,497. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.81
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623963
Dimensions9.90 × 9.70 × 6.30 mm
L/W Ratio1.02
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
9.90 mm9.70 mm4.81 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623963
Side View
Table 62.0%Crown 32.5°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 64.9%

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 31
Current: €35,497 EUR|Low: €5,758 EUR|High: €37,549 EUR|Avg: €14,002 EUR|-5.5%
Mervis Diamond Importers
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
October 31, 2026
Retailer 5€5,758 EUR
Retailer 7€5,964 EUR
Retailer 15€5,966 EUR
Retailer 16€6,041 EUR
Retailer 11€8,262 EUR
Retailer 17€8,623 EUR
Retailer 9€8,955 EUR
Retailer 6€9,385 EUR
Retailer 2€10,332 EUR
Retailer 14€13,232 EUR
Retailer 13€14,013 EUR
Retailer 10€14,169 EUR
Retailer 18€16,416 EUR
Retailer 12€18,119 EUR
Retailer 8€22,734 EUR
Retailer 4€22,780 EUR
Retailer 3€35,374 EUR
Mervis Diamond Importers€35,497 EUR

36 data points across 18 retailers

17 retailers€5,758 EUR to €35,497 EUR

A
Cheapest Retailer
-
€5,758 EUR
$6,433 USD
Final sale: no returns
Retailer 2
-
€5,964 EUR
$6,663 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
€5,966 EUR
$6,665 USD
View
A
Retailer 4
-
€6,041 EUR
$6,749 USD
View
A
Retailer 5
-
€8,262 EUR
£7,268 GBP
View
A
Retailer 6
-
€8,623 EUR
$9,634 USD
View
Retailer 7
-
€8,955 EUR
$10,005 USD
View
Price last confirmed 37 days ago
B+
Retailer 8
-
€9,385 EUR
£8,256 GBP
View
B+
Retailer 9
-
€10,332 EUR
View
B+
Retailer 10
-
€13,232 EUR
£11,640 GBP
View
B+
Retailer 11
-
€14,013 EUR
ZAR 252,907 ZAR
View
B+
Retailer 12
-
€16,416 EUR
$18,340 USD
View
B+
Retailer 13
-
€18,119 EUR
$20,243 USD
View
B
Retailer 14
-
€22,734 EUR
$25,399 USD
View
B
Retailer 15
-
€22,780 EUR
$25,450 USD
View
B
Retailer 16
-
€35,374 EUR
$39,520 USD
View
Most Expensive
B
Mervis Diamond Importers
1989745774 · Oct 31
€35,497 EUR
$39,657 USD
View
16 more retailers have this diamond
Prices start from €5,758 EURSave up to €29,738 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
4.81ct Cushion
€5,758 EUR