Cushion|Lab Grown|IGI

3.10ct H VVS2 Cushion Lab Grown Diamond

EX • H/VVS2 • IGI LG825620421

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG825620421

Diamond specifications and retailer prices

From $379 USD
As of October 29, 2026
Save $407 USD (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $786 USD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825620421 or 825620421. Listed at 2 retailers as of October 29, 2026, with prices from $379 to $786, a $407 spread on the same certified stone. 77 Diamonds lists it at $786. 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

3.10
Carat
H
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825620421
Dimensions8.69 × 8.48 × 5.65 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.69 mm8.48 mm3.10 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825620421
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $786 USD|Low: $379 USD|High: $1,531 USD|Avg: $922 USD|-8.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$379 USD
Retailer 3$615 USD
Retailer 6$714 USD
77 Diamonds$786 USD
Retailer 4$1,058 USD
Retailer 5$1,531 USD

39 data points across 6 retailers

2 retailers$379 USD to $786 USD

A
Cheapest Retailer
-
$379 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
CUSTVSZQ7TXVXV · Oct 30
$786 USD
£619 GBP
View
1 more retailer has this diamond
Prices start from $379 USDSave up to $407 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
3.10ct Cushion
$379 USD