Cushion|Lab Grown|IGI

3.71ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG691588990

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG691588990

Diamond specifications and retailer prices

From €8,417 EUR
$9,440 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €8,417 EUR at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
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 LG691588990 or 691588990. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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 angle37.2°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691588990
Dimensions10.53 × 7.95 × 5.00 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.53 mm7.95 mm3.71 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691588990
Side View
Table 67.0%Crown 37.2°Girdle: MED-THKPavilion 32.7°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €8,417 EUR|Low: €7,890 EUR|High: €9,237 EUR|Avg: €8,616 EUR|-8.9%
October 30, 2026
Brilliant Earth€8,417 EUR

5 data points across 1 retailer

1 retailer

B
Brilliant Earth
17970040A · Oct 31
€8,417 EUR
$9,440 USD
View

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.

B
3.71ct Cushion
€8,417 EUR