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Cushion|Lab Grown|IGI

3.50ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG718501507

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG718501507

Diamond specifications and retailer prices

From $1,088 USD
HK$8,500 HKD
As of October 30, 2026
Save $7,882 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,970 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.5ct lab-grown cushion diamond

This 3.5ct 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 LG718501507 or 718501507. Listed at 19 retailers as of October 26, 2026, with prices from $1,088 to $8,970, a $7,882 spread on the same certified stone. Brilliant Earth lists it at $8,970. 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
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle29.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG718501507
Dimensions10.12 × 7.53 × 4.85 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.12 mm7.53 mm3.50 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG718501507
Side View
Table 68.0%Crown 39.8°Girdle: STK-VTKPavilion 29.7°Culet: NoneDepth 64.4%

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: $8,970 USD|Low: $906 USD|High: $8,970 USD|Avg: $2,548 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 12
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Retailer 20
October 27, 2026
Retailer 6$939 USD
Retailer 18$969 USD
Retailer 16$1,088 USD
Retailer 4$1,130 USD
Retailer 9$1,253 USD
Retailer 5$1,345 USD
Retailer 13$1,433 USD
Retailer 2$1,471 USD
Retailer 20$1,962 USD
Retailer 19$2,120 USD
Retailer 15$2,161 USD
Retailer 8$2,371 USD
Retailer 7$2,591 USD
Retailer 17$2,940 USD
Retailer 10$3,140 USD
Retailer 11$3,158 USD
Retailer 12$3,251 USD
Retailer 14$3,527 USD
Retailer 3$4,115 USD
Brilliant Earth$8,970 USD

30 data points across 20 retailers

19 retailers$1,088 USD to $8,970 USD

Retailer 1
-
$939 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$1,088 USD
HK$8,500 HKD
View
A
Retailer 3
-
$1,130 USD
View
A
Retailer 4
-
$1,253 USD
View
A
Retailer 5
-
$1,345 USD
View
A
Retailer 6
-
$1,433 USD
£1,129 GBP
View
Retailer 7
-
$1,469 USD
£1,157 GBP
View
Price last confirmed 18 days ago
A
Retailer 8
-
$1,471 USD
€1,401 EUR
View
A
Retailer 9
-
$1,962 USD
View
Retailer 10
-
$2,120 USD
A$3,261 AUD
View
Price last confirmed 10 days ago
Retailer 11
-
$2,161 USD
ZAR 34,911 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$2,371 USD
View
Retailer 13
-
$2,591 USD
£2,040 GBP
View
Price last confirmed 19 days ago
B+
Retailer 14
-
$2,940 USD
View
B+
Retailer 15
-
$3,140 USD
View
B+
Retailer 16
-
$3,158 USD
SGD 4,267 SGD
View
B+
Retailer 17
-
$3,251 USD
View
B+
Retailer 18
-
$3,527 USD
£2,777 GBP
View
Most Expensive
B
Brilliant Earth
15239275A · Oct 26
$8,970 USD
View
18 more retailers have this diamond
Prices start from $1,088 USDSave up to $7,882 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
$1,088 USD