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Cushion|Lab Grown|IGI

3.71ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG654456170

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG654456170

Diamond specifications and retailer prices

From $1,665 USD
As of November 1, 2026
Save $3,930 USD (70%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,540 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 3.71ct lab-grown cushion diamond

This 3.71ct 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 LG654456170 or 654456170. Listed at 17 retailers as of October 31, 2026, with a 236% 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

3.71
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654456170
Dimensions10.60 × 7.61 × 4.97 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.60 mm7.61 mm3.71 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654456170
Side View
Table 67.0%Crown 40.4°Girdle: MED-STKPavilion 30°Culet: NoneDepth 65.3%

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: Nov 1
Current: $5,440 USD|Low: $1,536 USD|High: $9,840 USD|Avg: $3,684 USD|-44.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 16$1,591 USD
Retailer 13$1,665 USD
Retailer 14$1,765 USD
Retailer 9$2,245 USD
Retailer 12$2,275 USD
Retailer 10$2,487 USD
Retailer 5$2,650 USD
Retailer 4$2,816 USD
Retailer 11$3,695 USD
Retailer 8$3,840 USD
Retailer 3$4,293 USD
Retailer 15$4,669 USD
Retailer 6$4,933 USD
Retailer 2$5,113 USD
Brilliant Earth$5,440 USD
Retailer 7$5,595 USD

39 data points across 16 retailers

17 retailers$1,665 USD to $5,595 USD

Retailer 1
-
$1,591 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$1,665 USD
View
Final sale: no returns
A
Retailer 3
-
$1,765 USD
View
A
Retailer 4
-
$2,245 USD
£1,768 GBP
View
A
Retailer 5
-
$2,275 USD
View
A
Retailer 6
-
$2,487 USD
€2,369 EUR
View
B+
Retailer 7
-
$2,650 USD
View
B+
Retailer 8
-
$2,816 USD
View
B+
Retailer 9
-
$3,695 USD
ZAR 59,697 ZAR
View
B+
Retailer 10
-
$3,840 USD
£3,024 GBP
View
B+
Retailer 11
-
$4,293 USD
View
Retailer 12
-
$4,669 USD
A$7,183 AUD
View
Price last confirmed 27 days ago
B
Retailer 13
-
$4,933 USD
View
B+
Retailer 14
-
$5,113 USD
£4,026 GBP
View
B
Retailer 15
-
$5,440 USD
View
B
Retailer 16
-
$5,595 USD
View
Most Expensive
Brilliant Earth
14019444A · Oct 23
$9,540 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from $1,665 USDSave up to $3,930 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
3.71ct Cushion
$1,665 USD