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Cushion|Lab Grown|IGI

1.65ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG812646424

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

Certificate IGI LG812646424

Diamond specifications and retailer prices

From $621 AUD
$435 USD
As of November 1, 2026
Save $2,085 AUD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,706 AUD at MOH London · As of October 29, 2026
View at MOH London

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 LG812646424 or 812646424. Listed at 15 retailers as of October 29, 2026, with prices from $621 to $2,706, a $2,085 spread on the same certified stone. MOH London lists it at $2,706. 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 angle36.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812646424
Dimensions7.19 × 7.14 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.19 mm7.14 mm1.65 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812646424
Side View
Table 50.0%Crown 36.8°Girdle: STK-THKPavilion 41°Culet: LargeDepth 64.4%

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: $2,706 AUD|Low: $621 AUD|High: $2,909 AUD|Avg: $1,527 AUD|-2.5%
MOH London
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 5$621 AUD
Retailer 3$689 AUD
Retailer 13$930 AUD
Retailer 11$935 AUD
Retailer 4$1,093 AUD
Retailer 2$1,100 AUD
Retailer 14$1,152 AUD
Retailer 8$1,187 AUD
Retailer 9$1,248 AUD
Retailer 10$1,598 AUD
Retailer 7$2,066 AUD
Retailer 15$2,267 AUD
Retailer 6$2,564 AUD
Retailer 12$2,577 AUD
MOH London$2,706 AUD

44 data points across 15 retailers

15 retailers$621 AUD to $2,706 AUD

A
Cheapest Retailer
-
$621 AUD
$435 USD
Final sale: no returns
Retailer 2
-
$689 AUD
$483 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$930 AUD
$652 USD
View
A
Retailer 4
-
$935 AUD
$655 USD
View
B+
Retailer 5
-
$1,093 AUD
$766 USD
View
B+
Retailer 6
-
$1,100 AUD
€734 EUR
View
B+
Retailer 7
-
$1,152 AUD
$807 USD
View
B+
Retailer 8
-
$1,187 AUD
ZAR 13,444 ZAR
View
B+
Retailer 9
-
$1,248 AUD
£689 GBP
View
B+
Retailer 10
-
$1,598 AUD
View
B
Retailer 11
-
$2,267 AUD
$1,588 USD
View
B
Retailer 12
-
$2,409 AUD
$1,688 USD
View
B
Retailer 13
-
$2,564 AUD
$1,797 USD
View
B
Retailer 14
-
$2,577 AUD
$1,806 USD
View
Most Expensive
B
MOH London
LG812646424 · Oct 29
$2,706 AUD
£1,493 GBP
View
14 more retailers have this diamond
Prices start from $621 AUDSave up to $2,085 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
$621 AUD