Cushion|Lab Grown|IGI

3.10ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG838648256

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

Certificate IGI LG838648256

Diamond specifications and retailer prices

From $1,126 USD
As of October 31, 2026
Save $2,251 USD (67%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,377 USD at MOH London · As of November 1, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838648256 or 838648256. Listed at 4 retailers as of October 31, 2026, with prices from $1,126 to $3,377, a $2,251 spread on the same certified stone. MOH London lists it at $3,377. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838648256
Dimensions7.82 × 7.58 × 5.47 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm7.58 mm3.10 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838648256
Side View
Table 58.0%Crown 36.9°Girdle: THK-VTKPavilion 30.4°Culet: NoneDepth 72.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $3,377 USD|Low: $1,126 USD|High: $3,377 USD|Avg: $1,965 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$1,126 USD
Retailer 4$1,290 USD
Retailer 2$3,112 USD
MOH London$3,377 USD

3 data points across 4 retailers

4 retailers$1,126 USD to $3,377 USD

A
Cheapest Retailer
-
$1,126 USD
A
Retailer 2
-
$1,290 USD
View
B
Retailer 3
-
$3,112 USD
View
Most Expensive
B
MOH London
LG838648256 · Nov 1
$3,377 USD
£2,659 GBP
View
3 more retailers have this diamond
Prices start from $1,126 USDSave up to $2,251 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
$1,126 USD