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Cushion|Lab Grown|IGI

1.55ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG621487682

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

Certificate IGI LG621487682

Diamond specifications and retailer prices

From $417 USD
£328 GBP
As of November 2, 2026
Save $1,893 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,310 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621487682 or 621487682. Listed at 14 retailers as of November 2, 2026, with prices from $417 to $2,310, a $1,893 spread on the same certified stone. Do Amore Diamonds lists it at $2,310. 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 angle37.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621487682
Dimensions6.76 × 6.56 × 4.50 mm
L/W Ratio1.03
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
6.76 mm6.56 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621487682
Side View
Table 63.0%Crown 37.2°Girdle: STK-VTKPavilion 39.6°Culet: NoneDepth 68.6%

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 2
Current: $2,310 USD|Low: $417 USD|High: $2,310 USD|Avg: $915 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2$417 USD
Retailer 8$425 USD
Retailer 3$539 USD
Retailer 4$587 USD
Retailer 6$615 USD
Retailer 5$631 USD
Retailer 9$829 USD
Retailer 11$972 USD
Retailer 10$1,010 USD
Retailer 12$1,271 USD
Retailer 7$1,430 USD
Do Amore Diamonds$2,310 USD

41 data points across 12 retailers

14 retailers$417 USD to $2,310 USD

A
Cheapest Retailer
-
$417 USD
£328 GBP
A
Retailer 2
-
$425 USD
View
A
Retailer 3
-
$425 USD
View
A
Retailer 4
-
$539 USD
View
A
Retailer 5
-
$587 USD
View
A
Retailer 6
-
$615 USD
ZAR 9,939 ZAR
View
A
Retailer 7
-
$631 USD
£497 GBP
View
B+
Retailer 8
-
$829 USD
A$1,276 AUD
View
Retailer 9
-
$972 USD
A$1,496 AUD
View
Price last confirmed 26 days ago
B+
Retailer 10
-
$1,010 USD
View
B
Retailer 11
-
$1,271 USD
View
B
Retailer 12
-
$1,313 USD
View
B
Retailer 13
-
$1,430 USD
£1,126 GBP
View
Most Expensive
B
Do Amore Diamonds
27-AB5C7E0AF · Nov 2
$2,310 USD
View
13 more retailers have this diamond
Prices start from $417 USDSave up to $1,893 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
$417 USD