Radiant|Lab Grown|IGI

5.12ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG838606549

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

Certificate IGI LG838606549

Diamond specifications and retailer prices

From $1,249 USD
As of November 1, 2026
Save $3,815 USD (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,280 USD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 5.12ct lab-grown radiant diamond

This 5.12ct 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 LG838606549 or 838606549. Listed at 7 retailers as of November 1, 2026, with a 305% 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

5.12
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838606549
Dimensions12.13 × 8.56 × 5.67 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.13 mm8.56 mm5.12 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838606549
Side View
Table 66.0%Crown 47°Girdle: MediumPavilion 37.4°Culet: NoneDepth 66.2%

Caratlytics Score

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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: $8,280 USD|Low: $1,249 USD|High: $8,280 USD|Avg: $2,527 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$1,249 USD
Retailer 5$1,257 USD
Retailer 8$1,291 USD
Retailer 4$1,492 USD
Retailer 6$1,495 USD
Retailer 7$2,388 USD
Retailer 3$5,064 USD
Brilliant Earth$8,280 USD

16 data points across 8 retailers

7 retailers$1,249 USD to $5,064 USD

A
Cheapest Retailer
-
$1,249 USD
B+
Retailer 2
-
$1,257 USD
View
A
Retailer 3
-
$1,492 USD
€1,421 EUR
View
A
Retailer 4
-
$1,495 USD
View
B+
Retailer 5
-
$2,388 USD
View
B
Retailer 6
-
$5,064 USD
View
Most Expensive
Brilliant Earth
22280472A · Oct 25
$8,280 USD
View
Price last confirmed 7 days ago
6 more retailers have this diamond
Prices start from $1,249 USDSave up to $3,815 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
5.12ct Radiant
$1,249 USD