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Cushion|Lab Grown|IGI

1.55ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG825660408

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG825660408

Diamond specifications and retailer prices

From $365 USD
As of November 1, 2026
Save $1,596 USD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,377 USD at Flawless Fine Jewelry · As of October 6, 2026
View at Flawless Fine Jewelry

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 LG825660408 or 825660408. Listed at 19 retailers as of October 29, 2026, with a 437% 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660408
Dimensions7.91 × 6.38 × 4.02 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.91 mm6.38 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660408
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: LargeDepth 63.0%

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: $2,377 USD|Low: $350 USD|High: $3,263 USD|Avg: $1,185 USD
Flawless Fine Jewelry
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
Retailer 15
November 2, 2026
Retailer 13$365 USD
Retailer 4$447 USD
Retailer 6$452 USD
Retailer 14$452 USD
Retailer 15$601 USD
Retailer 11$605 USD
Retailer 8$763 USD
Retailer 2$813 USD
Retailer 9$1,162 USD
Retailer 12$1,326 USD
Retailer 7$1,604 USD
Retailer 5$1,707 USD
Retailer 3$1,757 USD
Retailer 10$1,961 USD
Flawless Fine Jewelry$2,377 USD

39 data points across 15 retailers

19 retailers$365 USD to $1,961 USD

A
Cheapest Retailer
-
$365 USD
A
Retailer 2
-
$447 USD
View
Retailer 3
-
$452 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$452 USD
View
Retailer 5
-
$598 USD
View
Price last confirmed 40 days ago
A
Retailer 6
-
$601 USD
View
A
Retailer 7
-
$605 USD
View
Retailer 8
-
$669 USD
View
Price last confirmed 40 days ago
Retailer 9
-
$731 USD
View
Price last confirmed 34 days ago
B+
Retailer 10
-
$763 USD
€727 EUR
View
B+
Retailer 11
-
$813 USD
£640 GBP
View
B
Retailer 12
-
$1,162 USD
A$1,788 AUD
View
B
Retailer 13
-
$1,326 USD
View
B
Retailer 14
-
$1,604 USD
View
B
Retailer 15
-
$1,707 USD
View
B
Retailer 16
-
$1,757 USD
View
B
Retailer 17
-
$1,961 USD
£1,544 GBP
View
Retailer 18
-
$2,151 USD
View
Price last confirmed 35 days ago
Most Expensive
Flawless Fine Jewelry
9FAD30582 · Oct 6
$2,377 USD
£1,872 GBP
View
Price last confirmed 27 days ago
18 more retailers have this diamond
Prices start from $365 USDSave up to $1,596 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
$365 USD