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Cushion|Lab Grown|IGI

1.65ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG621489025

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

Certificate IGI LG621489025

Diamond specifications and retailer prices

From $628 AUD
$440 USD
As of November 1, 2026
Save $2,383 AUD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,011 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621489025 or 621489025. Listed at 11 retailers as of November 1, 2026, with prices from $628 to $3,011, a $2,383 spread on the same certified stone. Do Amore Diamonds lists it at $3,011. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621489025
Dimensions6.88 × 6.74 × 4.59 mm
L/W Ratio1.02
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
6.88 mm6.74 mm1.65 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621489025
Side View
Table 63.0%Crown 36.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 68.1%

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: $3,011 AUD|Low: $628 AUD|High: $3,011 AUD|Avg: $1,348 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$628 AUD
Retailer 7$665 AUD
Retailer 8$758 AUD
Retailer 2$806 AUD
Retailer 3$1,356 AUD
Retailer 6$1,377 AUD
Retailer 5$1,580 AUD
Retailer 10$1,622 AUD
Retailer 4$1,720 AUD
Do Amore Diamonds$3,011 AUD

42 data points across 10 retailers

11 retailers$628 AUD to $3,011 AUD

A
Cheapest Retailer
-
$628 AUD
$440 USD
B+
Retailer 2
-
$665 AUD
$466 USD
View
A
Retailer 3
-
$758 AUD
$531 USD
View
A
Retailer 4
-
$806 AUD
£445 GBP
View
B+
Retailer 5
-
$1,356 AUD
$950 USD
View
B+
Retailer 6
-
$1,363 AUD
$955 USD
View
Retailer 7
-
$1,377 AUD
View
Price last confirmed 32 days ago
B
Retailer 8
-
$1,580 AUD
$1,107 USD
View
Retailer 9
-
$1,622 AUD
$1,137 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$1,720 AUD
£949 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-7B3961067 · Nov 2
$3,011 AUD
$2,110 USD
View
10 more retailers have this diamond
Prices start from $628 AUDSave up to $2,383 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
$628 AUD