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Cushion|Lab Grown|IGI

1.65ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG546223549

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG546223549

Diamond specifications and retailer prices

From $353 USD
As of November 1, 2026
Save $1,882 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,235 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.65ct lab-grown cushion diamond

This 1.65ct 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 LG546223549 or 546223549. Listed at 16 retailers as of October 27, 2026, with prices from $353 to $2,235, a $1,882 spread on the same certified stone. Queensmith lists it at $2,235. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546223549
Dimensions7.33 × 7.24 × 4.51 mm
L/W Ratio1.01
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
7.33 mm7.24 mm1.65 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546223549
Side View
Table 59.5%Crown 34.3°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.3%

Caratlytics Score

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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: $1,566 USD|Low: $353 USD|High: $1,650 USD|Avg: $900 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 4$353 USD
Retailer 11$391 USD
Retailer 10$459 USD
Retailer 12$590 USD
Retailer 2$635 USD
Retailer 9$671 USD
Retailer 6$691 USD
Retailer 3$729 USD
Retailer 8$911 USD
Retailer 7$1,500 USD
Retailer 13$1,502 USD
Retailer 5$1,524 USD
Retailer 1$1,566 USD

43 data points across 13 retailers

16 retailers$353 USD to $2,235 USD

A
Cheapest Retailer
-
$353 USD
Final sale: no returns
Retailer 2
-
$391 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$459 USD
£361 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$590 USD
View
A
Retailer 5
-
$627 USD
View
A
Retailer 6
-
$635 USD
View
A
Retailer 7
-
$671 USD
ZAR 10,846 ZAR
View
A
Retailer 8
-
$691 USD
£544 GBP
View
B+
Retailer 9
-
$729 USD
View
B+
Retailer 10
-
$911 USD
A$1,401 AUD
View
B
Retailer 11
-
$1,302 USD
View
B
Retailer 12
-
$1,500 USD
View
B
Retailer 13
-
$1,502 USD
View
Retailer 14
-
$1,524 USD
£1,200 GBP
View
Price last confirmed 26 days ago
B
Retailer 15
-
$1,566 USD
£1,233 GBP
View
Most Expensive
B
Queensmith
LG546223549 · Oct 27
$2,235 USD
£1,760 GBP
View
15 more retailers have this diamond
Prices start from $353 USDSave up to $1,882 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
1.65ct Cushion
$353 USD