Radiant|Lab Grown|IGI

5.18ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG835608868

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

Certificate IGI LG835608868

Diamond specifications and retailer prices

From $784 USD
As of November 1, 2026
Save $288 USD (27%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,600 USD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 5.18ct lab-grown radiant diamond

This 5.18ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835608868 or 835608868. 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

5.18
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835608868
Dimensions12.25 × 8.64 × 5.73 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.25 mm8.64 mm5.18 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835608868
Side View
Table 66.0%Crown 46°Girdle: MediumPavilion 35.4°Culet: NoneDepth 66.3%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $4,600 USD|Low: $784 USD|High: $4,600 USD|Avg: $2,538 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 26, 2026
Retailer 3$784 USD
Retailer 2$1,072 USD
Retailer 4$1,280 USD
Brilliant Earth$4,600 USD

10 data points across 4 retailers

3 retailers$784 USD to $1,072 USD

A
Cheapest Retailer
-
$784 USD
Final sale: no returns
B+
Retailer 2
-
$1,072 USD
View
Most Expensive
Brilliant Earth
21339458A · Oct 1
$4,600 USD
View
Price last confirmed 31 days ago
2 more retailers have this diamond
Prices start from $784 USDSave up to $288 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
5.18ct Radiant
$784 USD