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Radiant|Lab Grown|IGI

5.09ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG816604820

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816604820

Diamond specifications and retailer prices

From $2,038 USD
£1,604 GBP
As of November 1, 2026
Save $6,662 USD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,700 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.09ct lab-grown radiant diamond

This 5.09ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816604820 or 816604820. Listed at 14 retailers as of October 31, 2026, with prices from $2,038 to $8,700, a $6,662 spread on the same certified stone. Brilliant Earth lists it at $8,700. 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

5.09
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.2°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816604820
Dimensions12.04 × 8.61 × 5.66 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm8.61 mm5.09 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816604820
Side View
Table 69.0%Crown 48.2°Girdle: MediumPavilion 34.1°Culet: NoneDepth 65.7%

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: $8,700 USD|Low: $1,630 USD|High: $11,890 USD|Avg: $4,050 USD|-26.8%
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
November 1, 2026
Retailer 2$2,038 USD
Retailer 12$2,235 USD
Retailer 14$2,311 USD
Retailer 11$2,560 USD
Retailer 13$2,718 USD
Retailer 8$2,956 USD
Retailer 9$2,963 USD
Retailer 3$3,520 USD
Retailer 4$3,533 USD
Retailer 15$4,184 USD
Retailer 10$4,710 USD
Retailer 5$5,544 USD
Retailer 6$5,946 USD
Retailer 7$6,223 USD
Brilliant Earth$8,700 USD

30 data points across 15 retailers

14 retailers$2,038 USD to $8,700 USD

A
Cheapest Retailer
-
$2,038 USD
£1,604 GBP
B+
Retailer 2
-
$2,235 USD
View
B+
Retailer 3
-
$2,311 USD
View
Retailer 4
-
$2,560 USD
€2,438 EUR
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$2,718 USD
View
B+
Retailer 6
-
$2,956 USD
A$4,547 AUD
View
B+
Retailer 7
-
$2,963 USD
ZAR 47,867 ZAR
View
B
Retailer 8
-
$3,520 USD
£2,772 GBP
View
B
Retailer 9
-
$3,533 USD
View
B
Retailer 10
-
$4,184 USD
View
B+
Retailer 11
-
$4,710 USD
£3,709 GBP
View
B
Retailer 12
-
$5,544 USD
View
Retailer 13
-
$5,946 USD
View
Price last confirmed 73 days ago
Most Expensive
B
Brilliant Earth
21566973A · Oct 31
$8,700 USD
View
13 more retailers have this diamond
Prices start from $2,038 USDSave up to $6,662 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
5.09ct Radiant
$2,038 USD