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Cushion|Lab Grown|IGI

3.90ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG817679960

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817679960

Diamond specifications and retailer prices

From $500 USD
As of October 31, 2026
Save $3,340 USD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,840 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.9ct lab-grown cushion diamond

This 3.9ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817679960 or 817679960. Listed at 4 retailers as of October 31, 2026, with prices from $500 to $3,840, a $3,340 spread on the same certified stone. Brilliant Earth lists it at $3,840. 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
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817679960
Dimensions10.90 × 8.14 × 5.44 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm8.14 mm3.90 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817679960
Side View
Table 64.0%Crown 35.3°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $3,840 USD|Low: $500 USD|High: $3,970 USD|Avg: $1,774 USD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3$500 USD
Retailer 6$870 USD
Retailer 2$953 USD
Retailer 5$1,055 USD
Retailer 7$1,559 USD
Retailer 8$1,870 USD
Retailer 4$2,950 USD
Brilliant Earth$3,840 USD

38 data points across 8 retailers

4 retailers$500 USD to $3,840 USD

A
Cheapest Retailer
-
$500 USD
Final sale: no returns
A
Retailer 2
-
$953 USD
£751 GBP
View
Retailer 3
-
$2,950 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21245808A · Oct 31
$3,840 USD
View
3 more retailers have this diamond
Prices start from $500 USDSave up to $3,340 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
$500 USD