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 €254 EUR
$284 USD
As of October 30, 2026
Save €968 EUR (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,844 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 30, 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
Color
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 30
Current: €1,844 EUR|Low: €254 EUR|High: €1,844 EUR|Avg: €592 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
October 31, 2026
Retailer 6€254 EUR
Retailer 4€282 EUR
Retailer 9€330 EUR
Retailer 3€380 EUR
Retailer 8€425 EUR
Retailer 11€484 EUR
Retailer 2€506 EUR
Retailer 5€522 EUR
Retailer 7€537 EUR
Retailer 12€657 EUR
Retailer 14€693 EUR
Retailer 13€980 EUR
Retailer 10€1,136 EUR
Brilliant Earth€1,844 EUR

42 data points across 14 retailers

18 retailers€254 EUR to €1,222 EUR

A
Cheapest Retailer
-
€254 EUR
$284 USD
Final sale: no returns
A
Retailer 2
-
€282 EUR
$315 USD
View
A
Retailer 3
-
€330 EUR
£291 GBP
View
B+
Retailer 4
-
€380 EUR
$425 USD
View
A
Retailer 5
-
€425 EUR
$475 USD
View
A
Retailer 6
-
€484 EUR
ZAR 8,738 ZAR
View
A
Retailer 7
-
€506 EUR
View
A
Retailer 8
-
€522 EUR
$583 USD
View
A
Retailer 9
-
€529 EUR
$591 USD
View
A
Retailer 10
-
€537 EUR
£473 GBP
View
Retailer 11
-
€654 EUR
A$1,124 AUD
View
Price last confirmed 35 days ago
B+
Retailer 12
-
€657 EUR
A$1,129 AUD
View
B+
Retailer 13
-
€693 EUR
$774 USD
View
B
Retailer 14
-
€952 EUR
$1,064 USD
View
Retailer 15
-
€980 EUR
$1,095 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
€1,136 EUR
£999 GBP
View
B
Retailer 17
-
€1,222 EUR
$1,366 USD
View
Most Expensive
Brilliant Earth
21312401A · Oct 22
€1,844 EUR
$2,060 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from €254 EURSave up to €968 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
€254 EUR