Cushion|Lab Grown|IGI

4.91ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG837673776

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837673776

Diamond specifications and retailer prices

From $768 USD
As of October 29, 2026
Save $1,663 USD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,000 USD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 4.91ct lab-grown cushion diamond

This 4.91ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837673776 or 837673776. Listed at 4 retailers as of October 24, 2026, with a 217% 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

4.91
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837673776
Dimensions11.84 × 8.87 × 5.97 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm8.87 mm4.91 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837673776
Side View
Table 59.0%Crown 34.1°Girdle: MED-THKPavilion 35.3°Culet: NoneDepth 67.3%

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: Oct 29
Current: $9,000 USD|Low: $768 USD|High: $9,000 USD|Avg: $3,861 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 27, 2026
Retailer 2$768 USD
Retailer 3$1,059 USD
Retailer 5$1,259 USD
Retailer 4$2,431 USD
Brilliant Earth$9,000 USD

12 data points across 5 retailers

4 retailers$768 USD to $2,431 USD

A
Cheapest Retailer
-
$768 USD
Final sale: no returns
B+
Retailer 2
-
$1,059 USD
View
B+
Retailer 3
-
$2,431 USD
View
Most Expensive
B
Brilliant Earth
21485616A · Oct 1
$9,000 USD
View
Price last confirmed 28 days ago
3 more retailers have this diamond
Prices start from $768 USDSave up to $1,663 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
4.91ct Cushion
$768 USD