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 $309 USD
£243 GBP
As of October 24, 2026
Save $926 USD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,235 USD 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 23, 2026, with prices from $309 to $1,235, a $926 spread on the same certified stone. Reve Diamonds lists it at $1,235. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 24
Current: $718 USD|Low: $234 USD|High: $1,266 USD|Avg: $635 USD|+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$238 USD
Retailer 5$309 USD
Retailer 3$372 USD
Retailer 7$447 USD
Retailer 4$472 USD
Retailer 8$530 USD
Retailer 6$618 USD
Retailer 1$718 USD
Retailer 10$902 USD
Retailer 2$1,075 USD
Reve Diamonds$1,235 USD

14 data points across 11 retailers

10 retailers$309 USD to $1,235 USD

A
Cheapest Retailer
-
$309 USD
£243 GBP
Returns within 30 days
B+
Retailer 2
-
$372 USD
View
Returns within 30 days
A
Retailer 3
-
$447 USD
ZAR 7,215 ZAR
View
Returns within 7 days
A
Retailer 4
-
$472 USD
£371 GBP
View
Returns within 30 days
A
Retailer 5
-
$530 USD
View
Returns within 30 days
A
Retailer 6
-
$618 USD
A$950 AUD
View
B+
Retailer 7
-
$718 USD
View
Returns within 30 days
B+
Retailer 8
-
$902 USD
View
Returns within 90 days
B
Retailer 9
-
$1,075 USD
View
Returns within 30 days
Most Expensive
B
Reve Diamonds
427B8B826 · Oct 23
$1,235 USD
View
Returns within 30 days
9 more retailers have this diamond
Prices start from $309 USDSave up to $926 USD

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
$309 USD