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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 $444 SGD
£274 GBP
As of November 2, 2026
Save $1,241 SGD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,595 SGD 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: $2,595 SGD|Low: $444 SGD|High: $2,595 SGD|Avg: $1,193 SGD
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$444 SGD
Retailer 8$693 SGD
Retailer 7$698 SGD
Retailer 9$704 SGD
Retailer 5$724 SGD
Retailer 12$863 SGD
Retailer 3$1,139 SGD
Retailer 4$1,292 SGD
Retailer 10$1,545 SGD
Retailer 6$1,685 SGD
Retailer 11$1,740 SGD
Brilliant Earth$2,595 SGD

25 data points across 12 retailers

8 retailers$444 SGD to $1,685 SGD

A
Cheapest Retailer
-
$444 SGD
£274 GBP
A
Retailer 2
-
$698 SGD
$546 USD
View
A
Retailer 3
-
$724 SGD
ZAR 9,154 ZAR
View
Retailer 4
-
$1,292 SGD
$1,011 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$1,545 SGD
A$1,859 AUD
View
Price last confirmed 28 days ago
B
Retailer 6
-
$1,685 SGD
£1,038 GBP
View
Retailer 7
-
$1,740 SGD
$1,361 USD
View
Price last confirmed 63 days ago
Most Expensive
Brilliant Earth
21214677A · Oct 8
$2,595 SGD
$2,030 USD
View
Price last confirmed 25 days ago
7 more retailers have this diamond
Prices start from $444 SGDSave up to $1,241 SGD

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
$444 SGD