Cushion|Lab Grown|IGI

1.65ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG823624493

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG823624493

Diamond specifications and retailer prices

From $770 AUD
$541 USD
As of November 1, 2026
Save $3,096 AUD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,545 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 LG823624493 or 823624493. Listed at 12 retailers as of October 31, 2026, with a 402% 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

1.65
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823624493
Dimensions9.29 × 5.95 × 3.19 mm
L/W Ratio1.56
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.29 mm5.95 mm1.65 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823624493
Side View
Table 63.0%Crown 31.8°Girdle: STK-THKPavilion 40.7°Culet: LargeDepth 53.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,545 AUD|Low: $770 AUD|High: $7,445 AUD|Avg: $2,795 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3$770 AUD
Retailer 8$1,039 AUD
Retailer 11$1,224 AUD
Retailer 7$1,375 AUD
Retailer 2$1,715 AUD
Retailer 6$1,972 AUD
Retailer 5$2,672 AUD
Retailer 4$3,317 AUD
Retailer 9$3,341 AUD
Retailer 12$3,867 AUD
MOH London$4,545 AUD
Retailer 10$7,445 AUD

32 data points across 12 retailers

12 retailers$770 AUD to $3,867 AUD

A
Cheapest Retailer
-
$770 AUD
$541 USD
Retailer 2
-
$1,039 AUD
$730 USD
View
Price last confirmed 16 days ago
B+
Retailer 3
-
$1,224 AUD
$860 USD
View
B+
Retailer 4
-
$1,375 AUD
$966 USD
View
B+
Retailer 5
-
$1,715 AUD
£949 GBP
View
B
Retailer 6
-
$1,972 AUD
ZAR 22,375 ZAR
View
B
Retailer 7
-
$2,672 AUD
View
B
Retailer 8
-
$3,317 AUD
$2,330 USD
View
B
Retailer 9
-
$3,341 AUD
£1,848 GBP
View
B
Retailer 10
-
$3,867 AUD
$2,716 USD
View
Most Expensive
MOH London
LG823624493 · Oct 29
$4,545 AUD
£2,514 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $770 AUDSave up to $3,096 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
$770 AUD