Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG837680978

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837680978

Diamond specifications and retailer prices

From €277 EUR
£243 GBP
As of October 24, 2026
Save €686 EUR (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,106 EUR at Reve Diamonds · As of October 23, 2026
View at Reve Diamonds

About this 1.55ct lab-grown cushion diamond

This 1.55ct 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 LG837680978 or 837680978. Listed at 10 retailers as of October 24, 2026, with a 248% 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

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837680978
Dimensions7.92 × 6.10 × 4.22 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm6.10 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837680978
Side View
Table 63.0%Crown 33.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 69.2%

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 24
Current: €643 EUR|Low: €209 EUR|High: €1,133 EUR|Avg: €569 EUR|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 26, 2026
Retailer 9€213 EUR
Retailer 5€277 EUR
Retailer 3€333 EUR
Retailer 7€400 EUR
Retailer 4€422 EUR
Retailer 8€474 EUR
Retailer 6€553 EUR
Retailer 1€643 EUR
Retailer 10€807 EUR
Retailer 2€962 EUR
Reve Diamonds€1,106 EUR

14 data points across 11 retailers

10 retailers€277 EUR to €962 EUR

A
Cheapest Retailer
-
€277 EUR
£243 GBP
B+
Retailer 2
-
€333 EUR
$372 USD
View
Retailer 3
-
€400 EUR
ZAR 7,215 ZAR
View
Price last confirmed 7 days ago
A
Retailer 4
-
€422 EUR
£371 GBP
View
A
Retailer 5
-
€474 EUR
$530 USD
View
A
Retailer 6
-
€553 EUR
A$950 AUD
View
B+
Retailer 7
-
€643 EUR
$718 USD
View
B+
Retailer 8
-
€807 EUR
$902 USD
View
B
Retailer 9
-
€962 EUR
$1,075 USD
View
Most Expensive
Reve Diamonds
427B8B826 · Oct 23
€1,106 EUR
$1,235 USD
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from €277 EURSave up to €686 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
1.55ct Cushion
€277 EUR