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Cushion|Lab Grown|IGI

1.55ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2 • IGI LG634478657

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG634478657

Diamond specifications and retailer prices

From $368 USD
As of November 4, 2026
Save $958 USD (72%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,326 USD at MOH London · As of November 5, 2026
View at MOH London

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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG634478657 or 634478657. Listed at 15 retailers as of November 4, 2026, with prices from $368 to $1,326, a $958 spread on the same certified stone. MOH London lists it at $1,326. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634478657
Dimensions6.86 × 6.73 × 4.39 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.86 mm6.73 mm1.55 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634478657
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 65.2%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,326 USD|Low: $231 USD|High: $1,326 USD|Avg: $695 USD|+28.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 5, 2026
Retailer 7$269 USD
Retailer 4$298 USD
Retailer 10$368 USD
Retailer 3$457 USD
Retailer 9$490 USD
Retailer 16$515 USD
Retailer 6$550 USD
Retailer 13$551 USD
Retailer 5$626 USD
Retailer 2$630 USD
Retailer 15$696 USD
Retailer 11$1,045 USD
Retailer 12$1,117 USD
Retailer 14$1,276 USD
Retailer 8$1,323 USD
MOH London$1,326 USD

40 data points across 16 retailers

15 retailers$368 USD to $1,326 USD

Retailer 1
-
$298 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$368 USD
View
A
Retailer 3
-
$457 USD
View
A
Retailer 4
-
$490 USD
View
A
Retailer 5
-
$515 USD
View
A
Retailer 6
-
$550 USD
View
A
Retailer 7
-
$551 USD
View
A
Retailer 8
-
$626 USD
View
A
Retailer 9
-
$630 USD
View
A
Retailer 10
-
$696 USD
View
B+
Retailer 11
-
$1,045 USD
View
B
Retailer 12
-
$1,117 USD
View
B
Retailer 13
-
$1,276 USD
View
Retailer 14
-
$1,323 USD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG634478657 · Nov 5
$1,326 USD
£1,044 GBP
View
14 more retailers have this diamond
Prices start from $368 USDSave up to $958 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
$368 USD