Cushion|Lab Grown|IGI

4.85ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG819661055

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG819661055

Diamond specifications and retailer prices

From $701 USD
As of November 1, 2026
Save $262 USD (27%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,216 USD at Brilliance · As of October 5, 2026
View at Brilliance

About this 4.85ct lab-grown cushion diamond

This 4.85ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819661055 or 819661055. Listed at 3 retailers as of October 28, 2026, with a 37% 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

4.85
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819661055
Dimensions9.98 × 9.75 × 6.58 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.98 mm9.75 mm4.85 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819661055
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,216 USD|Low: $701 USD|High: $5,260 USD|Avg: $2,323 USD|-10.1%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$701 USD
Retailer 5$865 USD
Retailer 3$963 USD
Brilliance$2,216 USD
Retailer 6$2,729 USD
Retailer 4$5,260 USD

10 data points across 6 retailers

3 retailers$701 USD to $963 USD

A
Cheapest Retailer
-
$701 USD
Final sale: no returns
B+
Retailer 2
-
$963 USD
View
Most Expensive
Brilliance
D45376111 · Oct 5
$2,216 USD
View
Price last confirmed 27 days ago
2 more retailers have this diamond
Prices start from $701 USDSave up to $262 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
4.85ct Cushion
$701 USD