Cushion|Lab Grown|IGI

3.45ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG840652918

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

Certificate IGI LG840652918

Diamond specifications and retailer prices

From $1,775 USD
As of October 30, 2026
Save $1,185 USD (40%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,310 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.45ct lab-grown cushion diamond

This 3.45ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840652918 or 840652918. Listed at 4 retailers as of October 30, 2026, with a 67% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.45
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840652918
Dimensions9.05 × 8.92 × 5.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.05 mm8.92 mm3.45 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840652918
Side View
Table 61.0%Crown 32.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 63.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,310 USD|Low: $1,775 USD|High: $4,310 USD|Avg: $3,008 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
October 23, 2026
Retailer 4$1,775 USD
Retailer 3$2,929 USD
Retailer 2$2,960 USD
Rare Carat$4,310 USD

3 data points across 4 retailers

4 retailers$1,775 USD to $2,960 USD

A
Cheapest Retailer
-
$1,775 USD
B+
Retailer 2
-
$2,929 USD
View
B+
Retailer 3
-
$2,960 USD
SGD 4,000 SGD
View
Most Expensive
Rare Carat
LA2655 · Oct 21
$4,310 USD
View
Price last confirmed 9 days ago
3 more retailers have this diamond
Prices start from $1,775 USDSave up to $1,185 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
3.45ct Cushion
$1,775 USD