Radiant|Lab Grown|IGI

3.09ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG758501418

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

Certificate IGI LG758501418

Diamond specifications and retailer prices

From $402 USD
As of October 27, 2026
Save $3,827 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,600 USD at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 3.09ct lab-grown radiant diamond

This 3.09ct 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 LG758501418 or 758501418. Listed at 19 retailers as of October 27, 2026, with a 952% 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

3.09
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758501418
Dimensions7.22 × 7.22 × 4.91 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.22 mm7.22 mm3.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758501418
Side View
Table 67.0%Crown 45°Girdle: MediumPavilion 36°Culet: NoneDepth 68.0%

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: Oct 27
Current: $5,600 USD|Low: $510 USD|High: $5,600 USD|Avg: $1,872 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 8$510 USD
Retailer 4$520 USD
Retailer 18$668 USD
Retailer 7$782 USD
Retailer 12$944 USD
Retailer 13$950 USD
Retailer 9$1,142 USD
Retailer 15$1,193 USD
Retailer 10$1,262 USD
Retailer 16$1,815 USD
Retailer 19$1,883 USD
Retailer 14$1,979 USD
Retailer 17$2,024 USD
Retailer 11$2,274 USD
Retailer 6$2,445 USD
Retailer 5$3,065 USD
Retailer 2$3,660 USD
Retailer 3$4,229 USD
Brilliant Earth$5,600 USD

25 data points across 19 retailers

19 retailers$402 USD to $4,229 USD

A
Cheapest Retailer
-
$402 USD
A
Retailer 2
-
$520 USD
View
Final sale: no returns
B+
Retailer 3
-
$668 USD
View
A
Retailer 4
-
$944 USD
£743 GBP
View
A
Retailer 5
-
$950 USD
View
Retailer 6
-
$1,142 USD
ZAR 18,454 ZAR
View
Price last confirmed 66 days ago
A
Retailer 7
-
$1,193 USD
A$1,835 AUD
View
B+
Retailer 8
-
$1,577 USD
CA$2,190 CAD
View
B+
Retailer 9
-
$1,815 USD
View
Retailer 10
-
$1,850 USD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
$1,883 USD
View
Retailer 12
-
$1,973 USD
A$3,036 AUD
View
Price last confirmed 119 days ago
B+
Retailer 13
-
$1,979 USD
View
B+
Retailer 14
-
$2,024 USD
£1,594 GBP
View
B
Retailer 15
-
$2,274 USD
View
Retailer 16
-
$2,445 USD
View
Price last confirmed 17 days ago
B
Retailer 17
-
$3,660 USD
View
B
Retailer 18
-
$4,229 USD
£3,330 GBP
View
Most Expensive
Brilliant Earth
19587727Y · Oct 14
$5,600 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from $402 USDSave up to $3,827 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
3.09ct Radiant
$402 USD