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Cushion|Lab Grown|IGI

3.90ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG813664230

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813664230

Diamond specifications and retailer prices

From $1,245 USD
As of October 31, 2026
Save $7,365 USD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,610 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.9ct lab-grown cushion diamond

This 3.9ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG813664230 or 813664230. Listed at 10 retailers as of October 31, 2026, with prices from $1,245 to $8,610, a $7,365 spread on the same certified stone. Do Amore Diamonds lists it at $8,610. 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

3.90
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813664230
Dimensions11.20 × 8.08 × 5.36 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm8.08 mm3.90 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813664230
Side View
Table 63.0%Crown 34.5°Girdle: MED-THKPavilion 35.1°Culet: NoneDepth 66.3%

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: $8,610 USD|Low: $1,245 USD|High: $9,160 USD|Avg: $3,782 USD|-6.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5$1,245 USD
Retailer 8$1,583 USD
Retailer 10$1,591 USD
Retailer 3$1,887 USD
Retailer 9$2,184 USD
Retailer 7$3,037 USD
Retailer 2$4,209 USD
Retailer 4$4,404 USD
Retailer 6$5,932 USD
Do Amore Diamonds$8,610 USD

31 data points across 10 retailers

10 retailers$1,245 USD to $8,610 USD

A
Cheapest Retailer
-
$1,245 USD
A
Retailer 2
-
$1,583 USD
View
A
Retailer 3
-
$1,591 USD
View
A
Retailer 4
-
$1,887 USD
€1,797 EUR
View
B+
Retailer 5
-
$2,184 USD
View
B+
Retailer 6
-
$3,037 USD
View
B
Retailer 7
-
$4,209 USD
£3,314 GBP
View
B
Retailer 8
-
$4,404 USD
A$6,776 AUD
View
B
Retailer 9
-
$5,932 USD
View
Most Expensive
B
Do Amore Diamonds
27-8D55310CB · Nov 2
$8,610 USD
View
9 more retailers have this diamond
Prices start from $1,245 USDSave up to $7,365 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
3.90ct Cushion
$1,245 USD