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Cushion|Lab Grown|IGI

1.55ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG746518263

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

Certificate IGI LG746518263

Diamond specifications and retailer prices

From $270 USD
As of November 1, 2026
Save $945 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,215 USD at Brilliance · As of November 2, 2026
View at Brilliance

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG746518263 or 746518263. Listed at 14 retailers as of November 1, 2026, with prices from $270 to $1,215, a $945 spread on the same certified stone. Brilliance lists it at $1,215. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746518263
Dimensions6.73 × 6.60 × 4.42 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.73 mm6.60 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746518263
Side View
Table 62.0%Crown 35.1°Girdle: MED-THKPavilion 39°Culet: NoneDepth 67.0%

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 1
Current: $1,215 USD|Low: $270 USD|High: $1,222 USD|Avg: $701 USD|+12.3%
Brilliance
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
November 2, 2026
Retailer 6$270 USD
Retailer 7$349 USD
Retailer 10$496 USD
Retailer 13$504 USD
Retailer 9$516 USD
Retailer 14$541 USD
Retailer 8$561 USD
Retailer 3$626 USD
Retailer 12$696 USD
Retailer 2$760 USD
Retailer 4$916 USD
Retailer 5$1,012 USD
Retailer 11$1,204 USD
Brilliance$1,215 USD

36 data points across 14 retailers

14 retailers$270 USD to $1,215 USD

A
Cheapest Retailer
-
$270 USD
Final sale: no returns
A
Retailer 2
-
$349 USD
£275 GBP
View
A
Retailer 3
-
$496 USD
€472 EUR
View
A
Retailer 4
-
$504 USD
View
A
Retailer 5
-
$516 USD
ZAR 8,334 ZAR
View
A
Retailer 6
-
$541 USD
View
A
Retailer 7
-
$561 USD
£442 GBP
View
A
Retailer 8
-
$626 USD
View
B+
Retailer 9
-
$696 USD
A$1,071 AUD
View
B+
Retailer 10
-
$760 USD
View
B+
Retailer 11
-
$916 USD
View
B+
Retailer 12
-
$1,012 USD
View
B
Retailer 13
-
$1,204 USD
£948 GBP
View
Most Expensive
B
Brilliance
D38349745 · Nov 2
$1,215 USD
View
13 more retailers have this diamond
Prices start from $270 USDSave up to $945 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
$270 USD