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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 $347 USD
£274 GBP
As of November 2, 2026
Save $971 USD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,030 USD 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $2,030 USD|Low: $347 USD|High: $2,030 USD|Avg: $933 USD
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$347 USD
Retailer 8$542 USD
Retailer 7$546 USD
Retailer 9$550 USD
Retailer 5$567 USD
Retailer 12$675 USD
Retailer 3$891 USD
Retailer 4$1,011 USD
Retailer 10$1,208 USD
Retailer 6$1,318 USD
Retailer 11$1,361 USD
Brilliant Earth$2,030 USD

25 data points across 12 retailers

8 retailers$347 USD to $1,318 USD

A
Cheapest Retailer
-
$347 USD
£274 GBP
A
Retailer 2
-
$546 USD
View
A
Retailer 3
-
$567 USD
ZAR 9,154 ZAR
View
Retailer 4
-
$1,011 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$1,208 USD
A$1,859 AUD
View
Price last confirmed 28 days ago
B
Retailer 6
-
$1,318 USD
£1,038 GBP
View
Retailer 7
-
$1,361 USD
View
Price last confirmed 63 days ago
Most Expensive
Brilliant Earth
21214677A · Oct 8
$2,030 USD
View
Price last confirmed 24 days ago
7 more retailers have this diamond
Prices start from $347 USDSave up to $971 USD

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
$347 USD