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Cushion|Lab Grown|IGI

1.59ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG825630191

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

Certificate IGI LG825630191

Diamond specifications and retailer prices

From $496 AUD
£274 GBP
As of November 2, 2026
Save $1,385 AUD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,897 AUD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.59ct lab-grown cushion diamond

This 1.59ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825630191 or 825630191. Listed at 8 retailers as of October 26, 2026, with a 279% 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

1.59
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630191
Dimensions6.73 × 6.64 × 4.54 mm
L/W Ratio1.01
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.73 mm6.64 mm1.59 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630191
Side View
Table 64.0%Crown 35.7°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 68.4%

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 2
Current: $2,897 AUD|Low: $496 AUD|High: $2,897 AUD|Avg: $1,332 AUD
Brilliant Earth
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 2$496 AUD
Retailer 8$773 AUD
Retailer 7$779 AUD
Retailer 9$785 AUD
Retailer 5$809 AUD
Retailer 12$963 AUD
Retailer 3$1,271 AUD
Retailer 4$1,442 AUD
Retailer 10$1,724 AUD
Retailer 6$1,881 AUD
Retailer 11$1,942 AUD
Brilliant Earth$2,897 AUD

25 data points across 12 retailers

8 retailers$496 AUD to $1,881 AUD

A
Cheapest Retailer
-
$496 AUD
£274 GBP
A
Retailer 2
-
$779 AUD
$546 USD
View
A
Retailer 3
-
$809 AUD
ZAR 9,154 ZAR
View
Retailer 4
-
$1,442 AUD
$1,011 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$1,724 AUD
View
Price last confirmed 28 days ago
B
Retailer 6
-
$1,881 AUD
£1,038 GBP
View
Retailer 7
-
$1,942 AUD
$1,361 USD
View
Price last confirmed 63 days ago
Most Expensive
Brilliant Earth
21214677A · Oct 8
$2,897 AUD
$2,030 USD
View
Price last confirmed 25 days ago
7 more retailers have this diamond
Prices start from $496 AUDSave up to $1,385 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
1.59ct Cushion
$496 AUD