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Cushion|Lab Grown|IGI

6.55ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG644484590

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG644484590

Diamond specifications and retailer prices

From €1,455 EUR
$1,625 USD
As of October 31, 2026
Save €4,829 EUR (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €6,284 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.55ct lab-grown cushion diamond

This 6.55ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644484590 or 644484590. Listed at 20 retailers as of October 29, 2026, with prices from €1,455 to €6,284, a €4,829 spread on the same certified stone. Brilliant Earth lists it at €6,284. 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

6.55
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644484590
Dimensions11.71 × 9.74 × 6.39 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm9.74 mm6.55 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644484590
Side View
Table 63.0%Crown 37.8°Girdle: STK-VTKPavilion 32°Culet: NoneDepth 65.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €6,284 EUR|Low: €1,455 EUR|High: €6,480 EUR|Avg: €3,303 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 12
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Retailer 15
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Retailer 20
October 31, 2026
Retailer 17€1,455 EUR
Retailer 12€1,507 EUR
Retailer 15€1,619 EUR
Retailer 14€1,660 EUR
Retailer 9€1,741 EUR
Retailer 6€1,892 EUR
Retailer 13€2,128 EUR
Retailer 4€2,155 EUR
Retailer 2€2,295 EUR
Retailer 19€2,425 EUR
Retailer 3€3,280 EUR
Retailer 10€3,642 EUR
Retailer 7€3,868 EUR
Retailer 16€4,328 EUR
Retailer 5€4,427 EUR
Retailer 8€5,039 EUR
Retailer 20€5,165 EUR
Retailer 11€5,305 EUR
Retailer 18€5,411 EUR
Brilliant Earth€6,284 EUR

33 data points across 20 retailers

20 retailers€1,455 EUR to €6,284 EUR

A
Cheapest Retailer
-
€1,455 EUR
$1,625 USD
Final sale: no returns
Retailer 2
-
€1,507 EUR
$1,684 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€1,619 EUR
£1,424 GBP
View
A
Retailer 4
-
€1,660 EUR
$1,855 USD
View
A
Retailer 5
-
€1,741 EUR
HK$15,200 HKD
View
A
Retailer 6
-
€1,892 EUR
$2,114 USD
View
A
Retailer 7
-
€2,128 EUR
£1,872 GBP
View
A
Retailer 8
-
€2,155 EUR
$2,408 USD
View
A
Retailer 9
-
€2,295 EUR
View
A
Retailer 10
-
€2,425 EUR
$2,709 USD
View
B+
Retailer 11
-
€3,280 EUR
$3,664 USD
View
B+
Retailer 12
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€3,642 EUR
£3,204 GBP
View
B+
Retailer 13
-
€3,868 EUR
$4,321 USD
View
B+
Retailer 14
-
€4,328 EUR
£3,807 GBP
View
B+
Retailer 15
-
€4,427 EUR
$4,946 USD
View
B+
Retailer 16
-
€5,039 EUR
SGD 7,608 SGD
View
Retailer 17
-
€5,165 EUR
A$8,877 AUD
View
Price last confirmed 26 days ago
B
Retailer 18
-
€5,305 EUR
$5,927 USD
View
Retailer 19
-
€5,411 EUR
$6,045 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
14721905A · Oct 29
€6,284 EUR
$7,020 USD
View
19 more retailers have this diamond
Prices start from €1,455 EURSave up to €4,829 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
6.55ct Cushion
€1,455 EUR