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Cushion|Lab Grown|IGI

4.06ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG499125835

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG499125835

Diamond specifications and retailer prices

From $958 USD
As of October 31, 2026
Save $4,362 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,320 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG499125835 or 499125835. Listed at 14 retailers as of October 31, 2026, with prices from $958 to $5,320, a $4,362 spread on the same certified stone. Brilliant Earth lists it at $5,320. 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

4.06
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499125835
Dimensions9.29 × 8.87 × 5.65 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.29 mm8.87 mm4.06 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499125835
Side View
Table 63.5%Crown 35.5°Girdle: STK-VTKPavilion 31.6°Culet: NoneDepth 63.7%

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 31
Current: $5,320 USD|Low: $621 USD|High: $5,480 USD|Avg: $2,320 USD|-2.9%
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
October 31, 2026
Retailer 3$958 USD
Retailer 10$993 USD
Retailer 6$1,170 USD
Retailer 13$1,326 USD
Retailer 11$1,370 USD
Retailer 9$1,597 USD
Retailer 7$2,114 USD
Retailer 2$2,128 USD
Retailer 12$2,743 USD
Retailer 4$3,135 USD
Retailer 5$3,444 USD
Retailer 8$3,743 USD
Brilliant Earth$5,320 USD

26 data points across 13 retailers

14 retailers$958 USD to $5,320 USD

A
Cheapest Retailer
-
$958 USD
Final sale: no returns
Retailer 2
-
$993 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,170 USD
View
A
Retailer 4
-
$1,326 USD
View
A
Retailer 5
-
$1,370 USD
View
A
Retailer 6
-
$1,597 USD
View
A
Retailer 7
-
$2,114 USD
ZAR 34,150 ZAR
View
B+
Retailer 8
-
$2,128 USD
A$3,274 AUD
View
B+
Retailer 9
-
$2,743 USD
£2,160 GBP
View
B
Retailer 10
-
$3,135 USD
View
B
Retailer 11
-
$3,315 USD
HK$25,900 HKD
View
B
Retailer 12
-
$3,444 USD
View
B
Retailer 13
-
$3,743 USD
£2,947 GBP
View
Most Expensive
B
Brilliant Earth
17972198A · Oct 31
$5,320 USD
View
13 more retailers have this diamond
Prices start from $958 USDSave up to $4,362 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
4.06ct Cushion
$958 USD