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Cushion|Lab Grown|IGI

3.50ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG756524975

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG756524975

Diamond specifications and retailer prices

From $1,648 USD
As of October 30, 2026
Save $2,363 USD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,425 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.5ct lab-grown cushion diamond

This 3.5ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG756524975 or 756524975. Listed at 7 retailers as of October 30, 2026, with a 143% 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

3.50
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756524975
Dimensions10.15 × 7.82 × 5.13 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.15 mm7.82 mm3.50 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756524975
Side View
Table 63.0%Crown 33.2°Girdle: MED-STKPavilion 33°Culet: NoneDepth 65.6%

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 30
Current: $5,425 USD|Low: $1,648 USD|High: $5,510 USD|Avg: $2,890 USD|+0.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 5$1,648 USD
Retailer 3$1,776 USD
Retailer 2$1,783 USD
Retailer 6$2,555 USD
Retailer 4$3,889 USD
Retailer 7$4,011 USD
Rare Carat$5,425 USD

40 data points across 7 retailers

7 retailers$1,648 USD to $4,011 USD

A
Cheapest Retailer
-
$1,648 USD
A
Retailer 2
-
$1,776 USD
£1,398 GBP
View
A
Retailer 3
-
$1,783 USD
€1,698 EUR
View
B+
Retailer 4
-
$2,555 USD
View
B+
Retailer 5
-
$3,889 USD
£3,062 GBP
View
B
Retailer 6
-
$4,011 USD
View
Most Expensive
Rare Carat
K6872 · Oct 21
$5,425 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from $1,648 USDSave up to $2,363 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
3.50ct Cushion
$1,648 USD