Radiant|Lab Grown|IGI

4.51ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG816689949

Certificate IGI LG816689949

Diamond specifications and retailer prices

From $1,162 USD
Save $2,593 USD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,320 USD at Brilliant Earth
View at Brilliant Earth

About this 4.51ct lab-grown radiant diamond

This 4.51ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816689949 or 816689949. Listed at 12 retailers, with a 223% 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

4.51
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816689949
Dimensions11.08 × 8.02 × 5.75 mm
L/W Ratio1.38
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.08 mm8.02 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816689949
Side View
Table 63.0%Crown 43°Girdle: MediumPavilion 35.3°Culet: NoneDepth 71.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 25
Current: $9,320 USD|Low: $485 USD|High: $9,320 USD|Avg: $2,288 USD
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
October 1, 2026
Retailer 3$485 USD
Retailer 12$1,018 USD
Retailer 10$1,162 USD
Retailer 8$1,174 USD
Retailer 2$1,193 USD
Retailer 13$1,704 USD
Retailer 4$1,848 USD
Retailer 9$2,396 USD
Retailer 5$2,453 USD
Retailer 11$2,535 USD
Retailer 7$3,331 USD
Retailer 6$3,755 USD
Brilliant Earth$9,320 USD

34 data points across 13 retailers

12 retailers$1,162 USD to $3,755 USD

B
Retailer 1
-
$1,018 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$1,162 USD
View
B+
Retailer 3
-
$1,174 USD
£925 GBP
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$1,193 USD
€1,136 EUR
View
B+
Retailer 5
-
$1,704 USD
View
Price last confirmed 46 days ago
B
Retailer 6
-
$1,848 USD
View
B
Retailer 7
-
$2,396 USD
SGD 3,238 SGD
View
Price last confirmed 7 days ago
B
Retailer 8
-
$2,453 USD
View
B
Retailer 9
-
$2,535 USD
View
Price last confirmed 7 days ago
C
Retailer 10
-
$3,331 USD
£2,623 GBP
View
Price last confirmed 7 days ago
C
Retailer 11
-
$3,755 USD
View
Most Expensive
C
Brilliant Earth
20853934A · Sep 16
$9,320 USD
View
Price last confirmed 15 days ago
11 more retailers have this diamond
Prices start from $1,162 USDSave up to $2,593 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.

B+
4.51ct Radiant
$1,162 USD