Cushion|Lab Grown|IGI

4.56ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG826673994

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826673994

Diamond specifications and retailer prices

From $658 USD
£518 GBP
As of October 27, 2026
Save $3,202 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,860 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.56ct lab-grown cushion diamond

This 4.56ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826673994 or 826673994. Listed at 16 retailers as of October 27, 2026, with prices from $658 to $3,860, a $3,202 spread on the same certified stone. Brilliant Earth lists it at $3,860. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.56
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826673994
Dimensions11.62 × 8.32 × 5.53 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.62 mm8.32 mm4.56 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826673994
Side View
Table 61.0%Crown 33.2°Girdle: MED-VTKPavilion 31.8°Culet: NoneDepth 66.5%

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: Oct 27
Current: $3,860 USD|Low: $656 USD|High: $3,860 USD|Avg: $2,054 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
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 31, 2026
Retailer 15$658 USD
Retailer 5$686 USD
Retailer 11$819 USD
Retailer 14$880 USD
Retailer 2$1,092 USD
Retailer 17$1,164 USD
Retailer 16$1,183 USD
Retailer 10$1,623 USD
Retailer 3$1,815 USD
Retailer 7$2,210 USD
Retailer 13$2,372 USD
Retailer 6$2,427 USD
Retailer 9$3,090 USD
Retailer 8$3,096 USD
Retailer 4$3,305 USD
Retailer 12$3,319 USD
Brilliant Earth$3,860 USD

31 data points across 17 retailers

16 retailers$658 USD to $3,860 USD

A
Cheapest Retailer
-
$658 USD
£518 GBP
A
Retailer 2
-
$819 USD
HK$6,400 HKD
View
A
Retailer 3
-
$880 USD
View
A
Retailer 4
-
$1,092 USD
€1,040 EUR
View
B+
Retailer 5
-
$1,164 USD
View
A
Retailer 6
-
$1,183 USD
£932 GBP
View
A
Retailer 7
-
$1,623 USD
View
A
Retailer 8
-
$1,815 USD
View
B+
Retailer 9
-
$2,210 USD
£1,740 GBP
View
B+
Retailer 10
-
$2,372 USD
SGD 3,206 SGD
View
B+
Retailer 11
-
$2,427 USD
View
Retailer 12
-
$3,090 USD
View
Price last confirmed 18 days ago
Retailer 13
-
$3,096 USD
A$4,763 AUD
View
Price last confirmed 24 days ago
B
Retailer 14
-
$3,305 USD
£2,602 GBP
View
B
Retailer 15
-
$3,319 USD
View
Most Expensive
B
Brilliant Earth
21013608A · Oct 31
$3,860 USD
View
15 more retailers have this diamond
Prices start from $658 USDSave up to $3,202 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
4.56ct Cushion
$658 USD