Cushion|Lab Grown|IGI
4.00ct G VVS1 Cushion Lab Grown Diamond
ID • G/VVS1 • IGI LG811675457
Certificate IGI LG811675457
Diamond specifications and retailer prices
This diamond has been sold
Last seen: Aug 16, 2026 at $985 USD
$985 USDlast known price
About this 4ct lab-grown cushion diamond
This 4ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811675457 or 811675457. 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
4.00
Carat
G
Colour
VVS1
Clarity
Ideal
Cut
Specifications
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle51.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811675457
Dimensions10.65 × 7.37 × 4.84 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811675457
Side View
Caratlytics Score
How it works →B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown
Historical Listings
Best Price
William & Sons Jewelers
$548 USD
View RockHer
$985 USD
View Loose Grown Diamond
$1,019 USD
View B+
B2C Jewels
$1,384 USD
View Flawless Fine Jewelry
$2,070 USD
View £1,630 GBP
Cape Diamonds
$2,536 USD
View ZAR 40,965 ZAR
Adiamor
$2,576 USD
View Reve Diamonds
$2,620 USD
View Taylor and Hart
$2,748 USD
View 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.