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Cushion|Lab Grown|IGI

1.63ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG634481308

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

Certificate IGI LG634481308

Diamond specifications and retailer prices

From €255 EUR
$284 USD
As of October 28, 2026
Save €972 EUR (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,851 EUR at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.63ct lab-grown cushion diamond

This 1.63ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634481308 or 634481308. Listed at 18 retailers as of October 28, 2026, with a 381% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634481308
Dimensions6.85 × 6.85 × 4.47 mm
L/W Ratio1.00
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
6.85 mm6.85 mm1.63 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634481308
Side View
Table 64.0%Crown 35.1°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €1,851 EUR|Low: €255 EUR|High: €1,851 EUR|Avg: €587 EUR
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
October 30, 2026
Retailer 6€255 EUR
Retailer 4€283 EUR
Retailer 2€332 EUR
Retailer 3€382 EUR
Retailer 12€382 EUR
Retailer 11€486 EUR
Retailer 9€512 EUR
Retailer 5€524 EUR
Retailer 7€531 EUR
Retailer 8€539 EUR
Retailer 13€659 EUR
Retailer 15€695 EUR
Retailer 14€984 EUR
Retailer 10€1,140 EUR
Brilliant Earth€1,851 EUR

42 data points across 15 retailers

18 retailers€255 EUR to €1,227 EUR

A
Cheapest Retailer
-
€255 EUR
$284 USD
Final sale: no returns
A
Retailer 2
-
€283 EUR
$315 USD
View
A
Retailer 3
-
€332 EUR
£291 GBP
View
A
Retailer 4
-
€382 EUR
$425 USD
View
B+
Retailer 5
-
€382 EUR
$425 USD
View
A
Retailer 6
-
€486 EUR
ZAR 8,738 ZAR
View
A
Retailer 7
-
€512 EUR
View
A
Retailer 8
-
€524 EUR
$583 USD
View
A
Retailer 9
-
€531 EUR
$591 USD
View
A
Retailer 10
-
€539 EUR
£473 GBP
View
Retailer 11
-
€656 EUR
A$1,124 AUD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
€659 EUR
A$1,129 AUD
View
B+
Retailer 13
-
€695 EUR
$774 USD
View
B
Retailer 14
-
€956 EUR
$1,064 USD
View
Retailer 15
-
€984 EUR
$1,095 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
€1,140 EUR
£999 GBP
View
B
Retailer 17
-
€1,227 EUR
$1,366 USD
View
Most Expensive
Brilliant Earth
21312401A · Oct 22
€1,851 EUR
$2,060 USD
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from €255 EURSave up to €972 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
1.63ct Cushion
€255 EUR