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Radiant|Lab Grown|IGI

4.91ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG805638224

Certificate IGI LG805638224

Diamond specifications and retailer prices

From $1,183 USD
£932 GBP
Save $3,867 USD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,050 USD at Brilliant Earth
View at Brilliant Earth

About this 4.91ct lab-grown radiant diamond

This 4.91ct lab-grown radiant 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 LG805638224 or 805638224. Listed at 9 retailers, with prices from $1,183 to $5,050 at Brilliant Earth, a $3,867 spread on the same certified stone. 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
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle55.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805638224
Dimensions11.93 × 8.45 × 11.93 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.93 mm8.45 mm4.91 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805638224
Side View
Table 65.0%Crown 55.5°Girdle: MediumPavilion 39.2°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $5,050 USD|Low: $760 USD|High: $5,130 USD|Avg: $2,154 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 29, 2026
Retailer 3$890 USD
Retailer 6$1,139 USD
Retailer 2$1,180 USD
Retailer 7$1,790 USD
Retailer 4$2,018 USD
Retailer 5$2,457 USD
Retailer 8$2,684 USD
Retailer 9$3,260 USD
Brilliant Earth$5,050 USD

39 data points across 9 retailers

9 retailers$1,183 USD to $5,050 USD

A
Retailer 1
-
$890 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$1,139 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,142 USD
£900 GBP
View
Price last confirmed 31 days ago
A
Retailer 4
-
$1,183 USD
£932 GBP
View
B+
Retailer 5
-
$1,790 USD
View
Price last confirmed 45 days ago
B+
Retailer 6
-
$2,018 USD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$2,457 USD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$3,260 USD
A$5,016 AUD
View
Price last confirmed 89 days ago
Most Expensive
B
Brilliant Earth
20137260A · Sep 28
$5,050 USD
View
8 more retailers have this diamond
Prices start from $1,183 USDSave up to $3,867 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.

A
4.91ct Radiant
$1,183 USD