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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 $503 AUD
$353 USD
As of November 1, 2026
Save $2,679 AUD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,182 AUD 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 15 retailers as of October 27, 2026, with prices from $503 to $3,182, a $2,679 spread on the same certified stone. Queensmith lists it at $3,182. 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
Colour
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: $992 AUD|Low: $503 AUD|High: $2,349 AUD|Avg: $1,281 AUD|+3.2%
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 2, 2026
Retailer 4$503 AUD
Retailer 11$557 AUD
Retailer 10$653 AUD
Retailer 12$840 AUD
Retailer 2$904 AUD
Retailer 6$959 AUD
Retailer 1$992 AUD
Retailer 3$1,038 AUD
Retailer 9$1,296 AUD
Retailer 8$2,135 AUD
Retailer 13$2,138 AUD
Retailer 5$2,170 AUD
Retailer 7$2,229 AUD

44 data points across 13 retailers

15 retailers$503 AUD to $3,182 AUD

A
Cheapest Retailer
-
$503 AUD
$353 USD
Final sale: no returns
Retailer 2
-
$557 AUD
$391 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$840 AUD
$590 USD
View
A
Retailer 4
-
$893 AUD
$627 USD
View
A
Retailer 5
-
$904 AUD
$635 USD
View
A
Retailer 6
-
$959 AUD
ZAR 10,884 ZAR
View
A
Retailer 7
-
$992 AUD
£548 GBP
View
B+
Retailer 8
-
$1,038 AUD
$729 USD
View
B+
Retailer 9
-
$1,296 AUD
View
B
Retailer 10
-
$1,853 AUD
$1,302 USD
View
B
Retailer 11
-
$2,135 AUD
$1,500 USD
View
B
Retailer 12
-
$2,138 AUD
$1,502 USD
View
Retailer 13
-
$2,170 AUD
£1,200 GBP
View
Price last confirmed 26 days ago
B
Retailer 14
-
$2,229 AUD
£1,233 GBP
View
Most Expensive
B
Queensmith
LG546223549 · Oct 27
$3,182 AUD
£1,760 GBP
View
14 more retailers have this diamond
Prices start from $503 AUDSave up to $2,679 AUD

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
$503 AUD