Cushion|Lab Grown|IGI

3.51ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG831622221

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831622221

Diamond specifications and retailer prices

From $1,158 USD
As of October 31, 2026
Save $3,093 USD (73%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,251 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.51ct lab-grown cushion diamond

This 3.51ct 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 LG831622221 or 831622221. Listed at 5 retailers as of October 29, 2026, with prices from $1,158 to $4,251, a $3,093 spread on the same certified stone. MOH London lists it at $4,251. 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

3.51
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831622221
Dimensions10.73 × 7.96 × 5.24 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.73 mm7.96 mm3.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831622221
Side View
Table 63.0%Crown 34.7°Girdle: MED-VTKPavilion 37.5°Culet: NoneDepth 65.8%

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: $4,251 USD|Low: $1,158 USD|High: $4,284 USD|Avg: $2,532 USD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5$1,158 USD
Retailer 4$1,806 USD
Retailer 2$2,444 USD
Retailer 3$2,990 USD
MOH London$4,251 USD

15 data points across 5 retailers

5 retailers$1,158 USD to $4,251 USD

A
Cheapest Retailer
-
$1,158 USD
B+
Retailer 2
-
$1,806 USD
View
B+
Retailer 3
-
$2,444 USD
€2,328 EUR
View
Retailer 4
-
$2,990 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
LG831622221 · Oct 29
$4,251 USD
£3,347 GBP
View
4 more retailers have this diamond
Prices start from $1,158 USDSave up to $3,093 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
3.51ct Cushion
$1,158 USD